Khan Academy Class 3 (NCERT) Math Videos and Exercises

Math Videos:

Numbers from 1 to 1000
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000

Comparing whole numbers
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:comparing-3-digit-numbers/v/comparing-whole-numbers

Skip-counting by 5s
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:skip-counting/v/skip-counting-by-5-example

Counting by 10s
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:skip-counting/v/counting-by-tens-examples

Skip-counting by 100s
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:skip-counting/v/skip-counting-by-100-example

Addition and subtraction without regrouping
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping

Adding 1s, 10s, and 100s
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-1s-10s-and-100s/v/adding-hundreds-tens-and-ones

Adding 3-digit numbers (no regrouping)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-1s-10s-and-100s/v/adding-three-digit-numbers-without-regrouping

Subtracting 1s, 10s, and 100s
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:subtracting-1s-10s-and-100s/v/subtracting-3-digits

Subtracting 3-digit numbers (no regrouping)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:subtracting-1s-10s-and-100s/v/subtracting-three-digit-numbers-without-regrouping

Breaking apart 3-digit addition problems
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-and-subtracting-by-breaking-apart/v/breaking-apart-three-digit-addition-problems

Subtraction by breaking apart
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-and-subtracting-by-breaking-apart/v/subtraction-by-breaking-apart

Adding and subtracting on number line
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-and-subtracting-using-number-line/v/exercise-for-numberline-addition-and-subtraction

Addition and subtraction with regrouping
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping

Addition using groups of 10 and 100
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:adding-by-regrouping/v/addition-using-groups-of-10-and-100

Adding 3-digit numbers
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:adding-by-regrouping/v/example-adding-with-carrying

Solving 3-digit addition in your head
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:adding-by-regrouping/v/rethinking-three-digit-addition-for-mental-calculation

Worked example: Subtracting 3-digit numbers (regrouping)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:subtracting-by-regrouping/v/basic-regrouping-or-borrowing-when-subtracting-three-digit-numbers

Subtracting 3-digit numbers (regrouping)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:subtracting-by-regrouping/v/regrouping-when-subtracting-three-digit-numbers

Worked example: Subtracting 3-digit numbers (regrouping twice)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:subtracting-by-regrouping/v/regrouping-twice-when-subtracting-three-digit-numbers

Worked example: Subtracting 3-digit numbers (regrouping from 0)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:subtracting-by-regrouping/v/regrouping-from-0-when-subtracting-three-digit-numbers

Missing number for 3-digit addition within 1000
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:adding-and-subtracting-missing-value-problems/v/missing-number-for-addition-and-subtraction-within-1000

Missing number for 3-digit subtraction within 1000
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:adding-and-subtracting-missing-value-problems/v/missing-numbers-in-three-digit-subtraction

Three digit addition word problems
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:addition-and-subtraction-word-problems/v/three-digit-addition-word-problems

Three digit subtraction word problems
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:addition-and-subtraction-word-problems/v/three-digit-subtraction-word-problems

Multiplication
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication

Equal groups
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:intro-to-multiplication/v/skip-counting-equal-groups

Introduction to multiplication
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:intro-to-multiplication/v/introduction-to-multiplication

Multiplication as repeated addition
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:intro-to-multiplication/v/multiplication-as-repeated-addition

Multiplication on the number line
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:intro-to-multiplication/v/multiplication-on-the-number-line

Multiplication in real world contexts
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-word-problems/v/when-to-use-multiplication

Multiplication word problem: soda party
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-word-problems/v/liters-of-soda-for-the-party

Multiplying 10s
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiply-by-10s/v/multiplying-10s

Multiplying with area model: 16 x 27
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiply-2-digit-numbers-with-area-model/v/area-model-for-multiplication

Multiplying with area model: 78 x 65
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiply-2-digit-numbers-with-area-model/v/understanding-multiplication-through-area-models

Division
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division

The idea of division
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:intro-to-division/v/the-idea-of-division

Division as equal groups
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:intro-to-division/v/division-as-equal-groupings

Visualizing division with arrays
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:intro-to-division/v/visualizing-division-with-arrays

Division in context
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:division-word-problems/v/division-in-context-examples

Division word problem: blueberries
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:division-word-problems/v/blueberries-for-friends

Smart charts
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:smart-charts

Picture graphs
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:smart-charts/x80b2f4aa70819288:picture-graphs/v/picture-graphs

Making picture graphs and line plots
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:smart-charts/x80b2f4aa70819288:picture-graphs/v/making-line-plots

Geometry and measurement
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:geometry-and-measurement

Comparing lengths
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:geometry-and-measurement/x80b2f4aa70819288:length/v/comparing-lengths

Estimating lengths
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:geometry-and-measurement/x80b2f4aa70819288:length/v/estimating-lengths

Understanding volume (liters)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:geometry-and-measurement/x80b2f4aa70819288:volume/v/liter-intuition

Understanding mass (grams and kilograms)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:geometry-and-measurement/x80b2f4aa70819288:mass/v/intuition-for-grams

...........................................................................
Math Exercises:

Numbers from 1 to 1000
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000

Hundreds, tens, and ones
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:place-value/e/hundreds--tens--and-ones

Write numbers in different forms
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:place-value/e/writing-numbers-to-1000

Compare 3-digit numbers
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:comparing-3-digit-numbers/e/comparing-numbers-within-1000

Skip-count by 5s
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:skip-counting/e/skip-counting-by-5s

Skip-count by 10s
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:skip-counting/e/skip-counting-by-10s

Skip-counting by 100s
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:skip-counting/e/skip-counting-by-100s

Unit test on Numbers from 1 to 1000
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:numbers-from-1-to-1000/x80b2f4aa70819288:skip-counting/t/x80b2f4aa70819288:numbers-from-1-to-1000-unit-test

Addition and subtraction without regrouping
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping

Add 10s and 100s (no regrouping)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-1s-10s-and-100s/e/add-within-1000--level-1

Add within 1,000 using place value blocks
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-1s-10s-and-100s/e/add-within-1000--level-2

Subtract 10s and 100s (no regrouping)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:subtracting-1s-10s-and-100s/e/subtract-within-1000--level-1

Subtract within 1,000 using place value blocks
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:subtracting-1s-10s-and-100s/e/subtract-within-1000--level-2

Break apart 3-digit addition problems
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-and-subtracting-by-breaking-apart/e/break-apart-three-dig-add

Break apart 3-digit subtraction problems
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-and-subtracting-by-breaking-apart/e/break-apart-3-digit-subtraction-problems

Add on a number line
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-and-subtracting-using-number-line/e/adding-and-subtracting-within-1000-using-a-number-line

Subtract on a number line
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-and-subtracting-using-number-line/e/subtract-on-a-number-line

Unit test on Addition and subtraction without regrouping
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-without-regrouping/x80b2f4aa70819288:adding-and-subtracting-using-number-line/t/x80b2f4aa70819288:addition-and-subtraction-without-regrouping-unit-test

Addition and subtraction with regrouping
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping

Add using groups of 10 and 100
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:adding-by-regrouping/e/making-100-and-1000

Add within 1000
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:adding-by-regrouping/e/addition_4

Subtract within 1000
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:subtracting-by-regrouping/e/subtraction_4

Find the missing number (add and subtract within 1000)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:adding-and-subtracting-missing-value-problems/e/find-the-missing-number--addition-and-subtraction-within-1000-

Add and subtract within 1000 word problems
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:addition-and-subtraction-word-problems/e/add-and-subtract-within-1000-word-problems

Unit test on Addition and subtraction with regrouping
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:addition-and-subtraction-with-regrouping/x80b2f4aa70819288:addition-and-subtraction-word-problems/t/x80b2f4aa70819288:addition-and-subtraction-with-regrouping-unit-test

Multiplication
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication

Equal groups
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:intro-to-multiplication/e/equal-groups

Understand equal groups as multiplication
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:intro-to-multiplication/e/understand-equal-groups-as-multiplication

Relate repeated addition to multiplication
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:intro-to-multiplication/e/relate-repeated-addition-to-multiplication

Represent multiplication on the number line
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:intro-to-multiplication/e/number_line

Multiply by 0 or 1
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-problems/e/multiplying-by-0-or-1

Multiply by 2
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-problems/e/multiplying-by-2

Multiply by 4
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-problems/e/multiplying-by-4

Multiply by 2 and 4
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-problems/e/multiply-by-2-and-4

Multiply by 3
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-problems/e/multiplying-by-3

Multiply by 6
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-problems/e/multiplying-by-6

Multiply by 3 and 6
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-problems/e/multiply-by-3-and-6

Multiply by 7
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-problems/e/multiplying-by-7

Multiply by 8
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-problems/e/multiplying-by-8

Multiply by 9
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-problems/e/multiplying-by-9

Multiplication in contexts
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiplication-word-problems/e/multiplication-in-contexts

Multiply by 5
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiply-by-10s/e/multiplying-by-5

Multiply by 10
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiply-by-10s/e/multiply-by-10

Multiply by 5 and 10
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiply-by-10s/e/multiply-by-5-and-10

Multiplying 10s
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiply-by-10s/e/multiplying-tens

Multiply 2-digit numbers with area models
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiply-2-digit-numbers-with-area-model/e/multiplying-2-digit-numbers-with-area-models

Unit test on Multiplication
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:multiplication/x80b2f4aa70819288:multiply-2-digit-numbers-with-area-model/t/x80b2f4aa70819288:multiplication-unit-test

Division
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division

Division with groups of objects
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:intro-to-division/e/meaning-of-division

Division with arrays
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:intro-to-division/e/division-with-arrays

Divide with visuals
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:intro-to-division/e/dividing-with-visuals

Divide by 1
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:divide-by-1-2-4-5-or-10/e/dividing-by-1

Divide by 2
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:divide-by-1-2-4-5-or-10/e/dividing-by-2

Divide by 4
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:divide-by-1-2-4-5-or-10/e/dividing-by-4

Divide by 5
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:divide-by-1-2-4-5-or-10/e/dividing-by-5

Divide by 10
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:divide-by-1-2-4-5-or-10/e/dividing-by-10

Divide by 3
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:divide-by-3-or-6/e/dividing-by-3

Divide by 6
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:divide-by-3-or-6/e/dividing-by-6

Divide by 7
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:divide-by-7-8-or-9/e/dividing-by-7

Divide by 8
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:divide-by-7-8-or-9/e/dividing-by-8

Divide by 9
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:divide-by-7-8-or-9/e/dividing-by-9

Division in contexts
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:division-word-problems/e/division-in-contexts

Multiplication and division word problems (within 100)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:division-word-problems/e/multiplication-and-division-word-problems--within-100-

Unit test on Division
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:division/x80b2f4aa70819288:division-word-problems/t/x80b2f4aa70819288:division-unit-test

Smart charts
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:smart-charts

Solve problems with picture graphs
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:smart-charts/x80b2f4aa70819288:picture-graphs/e/solving-problems-with-picture-graphs-1

Make picture graphs
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:smart-charts/x80b2f4aa70819288:picture-graphs/e/make-picture-graphs-1

Geometry and measurement
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:geometry-and-measurement

Estimate lengths
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:geometry-and-measurement/x80b2f4aa70819288:length/e/estimating-lengths

Estimate volume (milliliters and liters)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:geometry-and-measurement/x80b2f4aa70819288:volume/e/estimating-volume

Estimate mass (grams and kilograms)
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:geometry-and-measurement/x80b2f4aa70819288:mass/e/estimating-mass

Unit test on Geometry and measurement
https://www.khanacademy.org/math/in-in-class-3rd-math-cbse/x80b2f4aa70819288:geometry-and-measurement/x80b2f4aa70819288:mass/t/x80b2f4aa70819288:geometry-and-measurement-unit-test