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Grades 6, 7 and 8 - Math - Middle School - Number Sequences - Arithmetic Sequences
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Avg score: 66% Most missed: “In the following arithmetic sequence, determine what the constant number is. | (…”

An Arithmetic sequence is a series of numbers in which each preceding term or number is added to or subtracted from the preceding number by the same constant number. <p>Let’s look at the following arithmetic sequence.</p>"
Example: 4, 8, 12, 16, 20, 24, 28, 32
In this series, the constant number is “4” and each preceding number has the number “4” added to it as follows:
4 + 4 = 8
+ 4 = 12
+ 4 = 16
+ 4 = 20
+ 4 = 24
+ 4 = 28
+ 4 = 32

Grades 6, 7 and 8 - Math - Middle School - Number Sequences - Arithmetic Sequences
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10 Questions

1. Which series of numbers below is NOT an arithmetic sequence?
2. In the following arithmetic sequence, which number is missing from the series?
(2, 104, 206, 308, _____, 512, 614)
3. Which series of numbers below is an arithmetic sequence?
4. In the following arithmetic sequence, which number is missing from the series?
(81, 75, 69, 63, _____, 51, 45)
5. In the following arithmetic sequence, which number is missing from the series?
(9, 23, 37, 51, _____, 79, 93)
6. In the following arithmetic sequence, determine what the constant number is.
(67, 54, 41, 28, 15, 2)
7. Which series of numbers below is NOT an arithmetic sequence?
8. Which series of numbers below is an arithmetic sequence?
9. Which series of numbers below is an arithmetic sequence?
10. In the following arithmetic sequence, determine what the constant number is.
(7, 28, 49, 70, 91, 112)