Pages 2-8 R + 3P packet Flashcards

1
Q

1/2

A

0.5 and 50%

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2
Q

1/3

A

0.3 repeating and 33.3% repeating

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3
Q

2/3

A

0.6 repeating, and 66.6% repeating

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4
Q

1/4

A

0.25 and 25%

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5
Q

3/4

A

0.75 and 75%

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6
Q

Trick for remembering 5 fractions: multiples of 20, .20, .40, … etc

A

:)

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7
Q

1/6

A

0.16 repeating and 16.6% repeating

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8
Q

5/6

A

0.83 repeating 3 and 83.3% repeating 3

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9
Q

1/8

A

0.125 and 12.5%

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10
Q

3/8

A

0.375 and 37.5%

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11
Q

5/8

A

0.625 and 62.5%

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12
Q

7/8

A

0.875 and 87.5%

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13
Q

What’s a ratio:

A

There are 3 ways to write, 3:1, 3 to 1, and 3 over 1. It’s a comparison of 2 numbers and must be in simplest form, no whole numbers or mixed

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14
Q

What’s a proportion

A

2 equivalent ratios, 2/7 = x/9, it’s like an equation to find out x.

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15
Q

What is a Unit Rate?

A

A ratio comparing 2 different units, ex: miles and hrs. Unit rate is when rate is expressed as a quantity of one

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16
Q

Decimals->Fractions/mixed numbers.

A

Write it like you say it, .12 equals twelve hundredths, 12/100

17
Q

Decimal to percent

A

Multiply by 100, (move decimal 2 places to right)

18
Q

Fraction to decimal

A

Divide top by bottom- divide numerator by denominator

19
Q

Fraction to percent

A

Create proportion!! Ex: 4/5. You do 4/5 equals n/100. This will give you answer to percent

20
Q

Percent to decimal

A

Multiple by .01, move decimal two places to left

21
Q

Percent to fraction

A

Multiply by 1/100, make sure to write fraction in simplest form