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Grades 6, 7 and 8 - Math - Middle School - Numbers - Roots
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Avg score: 80% • Most missed: “Which of these is not a way of writing the square root of 625?”

A number multiplied by itself creates its own square. The original number is called the square root of the new number. Finding square and cube roots are useful calculations with the same priority as Index in the BIDMAS order.
 

Grades 6, 7 and 8 - Math - Middle School - Numbers - Roots
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9 Questions

1. A square of area 169 cm2 has side length .......
2. Which of these is not a way of writing the square root of 625?
3. What is the total surface area of a cube which has a volume of 729 cm3?
4. What is the square root of 64 x 144?
5. The square with the same area as a rectangle measuring 9 cm by 16 cm has side length .......
6. What is the square root of 54?
7. A cube of volume 1,000 cm3 has side length .......
8. What is the cube root of 79?
9. The square root of 425 lies between .......

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