Fractions Flashcards

1
Q

What is the numerator?

A

The number of parts taken

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2
Q

What is the denominator?

A

Number of parts in total

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3
Q

What is 3/7 as a worded fraction?

A

There are 7 pieces in total and we take 3 of them

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4
Q

What is a fraction?

A

A fraction is a part of a whole

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5
Q

What is an improper fraction?

A

A fraction that is too heavy

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6
Q

What is a mapped fraction?

A

A fraction that has both whole numbers and fractions

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7
Q

1/4 + 3/8

A

1/4 = 2/8

2/8 + 3/8 = 5/8

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8
Q

3/4 - 1/16

A

3/4 = 12/16

12/16 - 1/16 = 11/16

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9
Q

What is 6/100 as a decimal and as a percentage

A

6/100 = 0.06 = 6%

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10
Q

What is 2/5 as a decimal?

A

2/5 = 40/100 = 0.4

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11
Q

What is 3 1/4 - 1 5/12

A
3 - 1 = 4
1/4 - 5/12
3/12 - 5/12 = -2/12
(Take away the minus 2)
1 5/6
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12
Q

What is 3/8 as a decimal?

A

0.375
_______
3/8 = 8 /3

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13
Q

When you use ‘of’ what are you doing?

A

Multiplying

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14
Q

What is an integer?

A

An integer is a whole number

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15
Q

1/2 X 2/3

A

1 X 2 = 2
_
2 X 3 = 6 = 1/3

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16
Q

When multiplying what must you always do?

A

Convert into an improper fraction

17
Q

What do you not need to do when multiplying fractions?

A

You don’t need to convert the numbers to make a common denominator when multiplying

18
Q

What is the reciprocal?

A

A reciprocal is a number that when multiplied by a given number is equal to 1

19
Q

What is 1/4 the reciprocal of?

A

4

4 X 1/4 = 1

20
Q

What is 1/3 the reciprocal of?

A

3

3 X 1/3 = 1

21
Q

What is the reciprocal of 3/4?

A

3/4 X 4/3 = 3x4/ 4x3 = 12/12 = 1

22
Q

What is 3/1 the same as?

A

3

Write 3 or you may not get the mark

23
Q

2/3 divided by 1/7

A

2/3 divided by 1/7 = 2/3 X 7/1 = 14/3

SKIP the 2/3, FLIP the 1/7 and MULTIPLY them together

24
Q

Does 0 have a reciprocal?

A

No

25
Q

How do you convert a fraction into a decimal?

A

Divide the numerator by the denominator