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Fractions, Decimals, Percentages > Revision > Flashcards

Revision Flashcards

To revise fractions, decimals and percentages

1
Q

Write these decimals in descending order.
1.114, 1.119, 1.2, 1.117, 1.1, 1.115

A

1.2, 1.119, 1.117, 1.115, 1.114, 1.1

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2
Q

Find 60% of 250.

A

150

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3
Q

Compare 5/6, 83.33%, and 0.833. Explain their relationships.

A

They each represent the same portion of a whole.

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4
Q

Describe how fractions, decimals, and percentages are used in everyday situations.

A

Teacher Judgement.

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5
Q

Find 40% of 200.

A

80

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6
Q

If 30% of a number is 45, find the number.

A

150

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7
Q

Represent 85% as a fraction and a decimal.

A

Fraction - 17/20, Decimal - 0.85

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8
Q

Write these decimals in ascending order.
0.3, 0.8, 0.2, 0.6, 0.4, 0.1

A

0.1, 0.2, 0.3, 0.4, 0.6, 0.8

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9
Q

If 25% of a number is 30, find the number.

A

120

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10
Q

Solve the equation: 2.5y = 15.

A

y = 6

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11
Q

If a pizza is divided into 10 slices, what fraction of the pizza is 3 slices?

A

3/10

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12
Q

Represent 55% as a fraction and a decimal.

A

Fractions - 11/20, Decimal - 0.55

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13
Q

If 1/4 of a pizza is eaten, what percentage of the pizza is left?

A

75%

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14
Q

23.59 ÷ 7 =

A

3.37

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15
Q

Calculate 25% of 360.

A

90

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16
Q

Explain the difference between a fraction and a percentage with examples.

A

Teacher Judgement.

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17
Q

Compare 3/4, 75%, and 0.75. Discuss their similarities and differences.

A

They each represent the same portion of a whole.

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18
Q

James has a piece of rope that is 12 metres long. He uses 1/4 of the rope to tie up a package and 1/3 of the rope for a project. How many metres of rope does James have left?

A

James has 5 metres of rope left.

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19
Q

Write these decimals in ascending order.
5.8, 5.802, 5.82, 5.08, 5.2, 5.87

A

5.08, 5.2, 5.8, 5.802, 5.82, 5.87

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20
Q

Analyse the importance of understanding decimals, fractions, and percentages in financial decision-making.

A

Teacher Judgement.

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21
Q

A rectangular garden is 15.6 meters long and 8.9 meters wide. Calculate the area in square meters.

A

138.84 square meters

22
Q

Express 0.3 as a simplified fraction.

A

3/10

23
Q

Serena ordered a pair of shoes online. They were priced at $84 but were on sale for 50% off. How much did Serena save?

A

Serena saved $42.

24
Q

Express 0.75 as a fraction in simplest form.

A

3/4

25
Q

If 40% of a number is 120, find the number.

A

300

26
Q

15.0 - 5.5 =

A

9.5

27
Q

Represent 72% as a fraction and a decimal.

A

Fraction - 18/25, Decimal - 0.72

28
Q

Express 0.45 as a fraction in simplest form.

A

9/20

29
Q

4.1 x 4 =

A

16.4

30
Q

30.7 x 1000 =

A

30 700

31
Q

Multiply 3/8 by 0.5, then write the product as a decimal.

A

0.375

32
Q

784.65 ÷ 100 =

A

7.8465

33
Q

0.4 x 10 =

A

4

34
Q

Divide 2/5 by 0.4, then write the quotient as a decimal.

A

0/5

35
Q

If 5 out of 25 students prefer cats, what percentage of the class prefers cats?

A

20%

36
Q

Gretel bought a jacket for $125. Two days later she saw the exact jacket on sale for 25% off. How much would Gretel have paid for the jacket if she got it on sale?

A

Gretel would have paid $93.75 for the jacket.

37
Q

9.9 + 0.1 =

A

10

38
Q

A swimming pool is 12.5 meters long and 6.8 meters wide. Calculate the area in square meters.

A

85 square meters

39
Q

0.98 ÷ 100 =

A

0.0098

40
Q

Convert 0.8 to a percentage.

A

80%

41
Q

0.7 + 0.2 =

A

0.9

42
Q

Convert 0.625 to a percentage.

A

62.5%

43
Q

Discuss how understanding decimals, fractions, and percentages can help in budgeting and financial planning.

A

Teacher Judgement.

44
Q

Solve the equation: 3.2y = 16.

A

y = 5

45
Q

134.5 ÷ 2 =

A

67.25

46
Q

Convert 0.6 to a percentage.

A

60%

47
Q

20.3 - 12.4 =

A

7.9

48
Q

9.7 x 3

A

29.1

49
Q

Explain the relationship between fractions, decimals, and percentages using examples.

A

Teacher Judgement.

50
Q

Write these decimals in
descending order.
0.12, 0.18, 0.11, 0.1, 0.19, 0.15

A

0.19, 0.18, 0.15, 0.12, 0.11, 0.1

Fractions, Decimals, Percentages (1 decks)

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