Number Review

Fractions

100

1/3 + 4/3

5/3 or 1 2/3

200

4/5 - 1/2

3/10

300

2/5 x 4/7

8/35

400

Write an equivalent fraction to 8/12

2/3 = 4/6 = 6/9 = 10/15 = 16/24

500

5/11 - 2/3

-7/33

Decimals

100

Round to 2dp

2.173

2.17

200

Round to a whole number

4.62

5

300

2.31 + 4.53

6.84

400

4.6 x 2.7

12.42

500

5.7 + 2.1 x 4.7 - 6 

9.57

Standard Form

100

Write in ordinary form
2.3 x 10³

2300

200

Write in standard form
4 320 000

4.32 x 10⁶

300

Write in standard form (keeping 2 dp)
26 340 000

2.63 x 10⁷

400

Write in standard form 

0.00000327

3.27 x 10^-6

500

Write in ordinary form

2.1 x 10^-4

0.00021

Powers

100

Solve

3⁴

81

200

Solve  
5⁵

3125

300

Simplify
3² x 3⁴

3⁶

400

Simplify
6⁵ divided by 6²

6³

500

Simplify
3² x 3⁷ x 7³

3⁹ x 7³

Roots

100

What is the square root of 81?

9

200

What is the third root of 64?

4

300

What is the third root of 31?

3.14

400

What is the name of the number under the radical sign?

The Radicand

500

Name two different square roots of the number 1

1 and -1