QR: Divisibility Rules + percentage/decimal/fraction conversion Flashcards by Yetu Akhiwu

Q

How do you know if a number can be divided by 3?

A

The sum of the digits is divisible by 3

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Q

How do you know if a number can be divided by 4?

A

The last 2 digits are divisible by 4

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Q

How do you know if a number can be divided by 6?

A

Is even and is divisible by 3

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Q

How do you know if a number can be divided by 8?

A

The last three digits are divisible by 8

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Q

1/9 as a decimal?

A

0.1111

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Q

1/9 as a percentage?

A

11.11%

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Q

1/8 as a decimal?

A

0.125

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Q

1/8 as a percentage?

A

12.5%

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Q

1/7 as a decimal?

A

0.1429

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Q

1/7 as a percentage?

A

14.29%

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Q

2/5 as a decimal?

A

0.4

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Q

40% as a fraction?

A

2/5

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Q

2/5 as a percentage?

A

40%

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Q

1/6 as a percentage?

A

16.67%

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Q

1/6 as a decimal

A

0.1667

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Q

3/20 as a decimal?

A

0.15

Q

3/20 as a percentage?

A

15%

Q

7/20 as a decimal?

A

0.35

Q

7/20 as a percentage

A

35%

Q

35% as a fraction

A

7/20

Q

3/8 as a decimal?

A

0.375

Q

0.375 as a fraction?

A

3/8

Q

3/8 as a percentage?

A

37.5%

Q

2/9 as a percentage?

A

22.22%

Q

2/9 as a decimal?

A

0.22222

Q

2/7 as a percentage?

A

28.57%

Q

2/7 as a decimal?

A

0.2857

Q

5/9 as a percentage?

A

55.56%

Q

5/9 as a decimal?

A

0.5556

Q

4/7 as a decimal?

A

0.5714

Q

4/7 as a percentage?

A

57.14%

Q

5/8 as a decimal?

A

0.625

Q

5/8 as a percentage?

A

62.5%

Q

1/100 as a decimal?

A

0.01

Q

1/100 as a percentage?

A

1%

Q

1/50 as a decimal?

A

0.02

Q

1/50 as a percentage?

A

2%

Q

1/25 as a decimal?

A

0.04

Q

A