Integers

Square roots and cube roots

Name: ______________________________Date: ______________Score: ______ / 20

1.
Work out 15²
2.
Work out ∛27
3.
Work out √4 + √100
4.
Between which two whole numbers does √98 lie?
1. A9 and 10
2. B8 and 9
3. C10 and 11
5.
64 is a cube number.
True False
6.
Work out 3³
7.
Work out √81 + √49
8.
Between which two whole numbers does √39 lie?
1. A5 and 6
2. B6 and 7
3. C7 and 8
9.
Put these square numbers in order, smallest first: 49, 36, 25
Write the order (smallest to largest) in the boxes:
- ?49
- ?36
- ?25
10.
Work out √25
11.
Work out √46656 ÷ ∛46656
12.
Between which two whole numbers does √80 lie?
1. A7 and 8
2. B9 and 10
3. C8 and 9
13.
Work out 12²
14.
Work out √36 + √16
15.
Between which two whole numbers does √38 lie?
1. A6 and 7
2. B5 and 6
3. C7 and 8
16.
Put these square numbers in order, smallest first: 25, 16, 9
Write the order (smallest to largest) in the boxes:
- ?25
- ?16
- ?9
17.
Work out ∛125
18.
√122 lies between 11 and 12. Which whole number is it closest to?
19.
27 is a cube number.
True False
20.
Work out √4

Answer key

Integers — Square roots and cube roots