Number

Question 1

Write 360000 in standard form

Answer 1

3.6 x 10⁵

Question 2

Write 5 780 000 in standard form

Answer 2

5.78 x 10⁶

Question 3

Write 0.0085 in standard form

Answer 3

8.5 x 10^-3

Question 4

0.0007 in standard form

Answer 4

7 x 10^-4

Question 5

work out without a calculator

(4 x 10⁶) x ( 3 x 10⁵ )

give your answer in standard form

Answer 5

(3x4) x( 10⁶ x 10⁵

12 x 10¹¹ = 1.2 x 10¹²

Question 6

Write 7/10 as a decimal

Answer 6

0.7

Question 7

Write 1/4 as a decimal

Answer 7

0.25

Question 8

Write 3/8 as a decimal

Answer 8

0.375

Question 9

What is 0.8 as a percentage?

Answer 9

80%

Question 10

find 2/5 of 25

Answer 10

(25 ÷ 5 ) x 2 = 10

Question 11

find 4/7 of 280

Answer 11

(280÷ 7) x 4 = 160

Question 12

What are the first 5 square numbers ?

Answer 12

1, 4, 9, 16, 25

Question 13

What are the first 5 cube numbers

Answer 13

1, 8, 27, 64 125

Question 14

what is the cubed root of 125

Answer 14

5

Question 15

what is 2³

Answer 15

2 x 2 x 2 = 8

Question 16

Factors of 20

Answer 16

1, 2, 4, 5, 10, 20

Question 17

Multiples of 7

Answer 17

7, 14, 21, 28, 35, …

Question 18

The first five prime numbers

Answer 18

2, 3, 5, 7, 11

Question 19

Highest common factor of 12 and 8

Answer 19

4

Question 20

Lowest common multiple of 12 and 8

Answer 20

24

Question 21

3 + 5 x 3

Answer 21

18

Question 22

-4 x -3

Answer 22

12

Question 23

-3 x 2

Answer 23

-6

Question 24

-10 ÷ 2

Answer 24

-5

Question 25

-4 - 3

Answer 25

-7

Question 26

-20 ÷ -5

Answer 26

4

Question 27

The first 3 integers that satisfy x > 9

Answer 27

10, 11, 12

Question 28

Cube root of 125

Answer 28

5

Question 29

Square of 9

Answer 29

81

Question 30

What does this say

3 < x < 8

Answer 30

x is greater than 3 and less than 8