Decimals- Term 2

Question 1

What is 2.34 x 4.5?

Answer 1

10.53

Question 2

6.13 x 42?

Answer 2

257.46

Question 3

658/3

Answer 3

219.3recurring

Question 4

Divide 58.2 by 0.3

Answer 4

58.2/0.3 = 582/3 = 194

Question 5

5.29 / 0.05

Answer 5

5.29/0.05 = 529/5 = 105.8

Question 6

Given that 3.5 x 5.6 = 19.6

34x560

Answer 6

19600

Question 7

Given that 8.4/0.2 =20.16

8.4/0.02

Answer 7

201.6

Handle denominator and numerator separately

Question 8

Given that 34 x 56 = 1904

190.4 / 0.56

Answer 8

340

Because 1904/56=34

Question 9

Given that 575/23 = 25

5.75 / 2.5

Answer 9

2.3

Question 10

What is the format of standard form?

Answer 10

a x 10^n

Question 11

In standard form, what must the power be?

Answer 11

An integer

Question 12

In standard form, what must a in a x 10^n be?

Answer 12

No more than 10 and no less than 1

Question 13

Write 7.3’x 104 as an ordinary number

Answer 13

73000

Question 14

Write 4.13 x 10^-3 as an ordinary number

Answer 14

0.00413

Question 15

Write 0.031 in standard form

Answer 15

3.1 x 10^-2

Question 16

Work out (4x10^5)x(5x10^8) and give your answer in standard form

Answer 16

20x10^13

Times the first integers and add the indices

Question 17

Work out (2x10^-3) / (5x10^5) and give your answer in standard form

Answer 17

2/5=0.4
0.4x10^-8

4x10^-9

Question 18

What is 10% as a fraction?

Answer 18

1/10

Question 19

What is 25% as a fraction?

Answer 19

1/4

Question 20

What is 50% as a fraction?

Answer 20

1/2

Question 21

What is 75% as a fraction?

Answer 21

3/4

Question 22

What is 100% as a fraction?

Answer 22

1

Question 23

What is 1% as a fraction?

Answer 23

1/100

Question 24

What is 1/10 as a decimal?

Answer 24

0.1

Question 25

What is 1/4 as a decimal?

Answer 25

0.25

Question 26

What is 1/2 as a decimal?

Answer 26

0.5

Question 27

What is 3/4 as a decimal?

Answer 27

0.75

Question 28

How do you turn a percentage into a decimal?

Answer 28

Divide by 100

Question 29

35% = what as a decimal?

Answer 29

0.35

Question 30

How do you turn a percentage into a fraction?

Answer 30

Write it over 100

Question 31

What is 35% as a fraction?

Answer 31

35/100=7/20

Question 32

How do you turn a decimal into a percentage?

Answer 32

Times by 100

Question 33

How do you turn a decimal into a fraction?

Answer 33

Multiply by 100 and write over 100

Question 34

Turn 0.15 into a percentage

Answer 34

15%

Question 35

Turn 0.32 into a fraction

Answer 35

32/100=16/50=8/25

Question 36

How do you turn a fraction into a decimal?

Answer 36

Try to write it over 100 or divide the numerator by the denominator

Question 37

Turn 3/8 into a decimal

Answer 37

3/8=300/800=37.5/100=0.375

3/8=3 divided by 8=0.375

Question 38

How do you change a fraction into a percentage?

Answer 38

Write it over 100 or change to decimal and x100

Question 39

Turn 2/3 into a percentage

Answer 39

200/300=2 divided by 3= 66.6recurring/100=66.6recurring%