Beginning Fractions

Fraction Vocabulary

100

The part of the fraction that represent what part is needed, given, or used.

the numerator

200

The part of the fraction that tells how the whole is divided.

the denominator

300

The word for two equal parts

halves

400

The word for 3 equal parts.

thirds

500

Two words for four equal parts.

fourths or quarters

Fractions equal to 1/2

100

If the numerator is 3

3/6

200

If the denominator is 10

5/10

300

If the numerator is 13

13/26

400

If the denominator is 64

32/64

500

If the denominator is 1206

603/1206

Benchmark Fractions

100

11/12 is closest to

1

200

1/12 is closest to 

0

300

2/20 can be estimated as

0

400

21/20 is roughly

1

500

11/20 is approximately

1/2

Fraction Comparisons

100

5/8 _____ 1/2

greater than

200

6/12 ____ 1/2

=

300

5/12 ____ 1/2

less than

400

13/12 ___ 1

greater than

500

11/12 ___ 1

less than

Subtracting Fractions

100

12/12 - 4/12

8/12

200

5/5 - 3/5

2/5

300

10/10 - 3/10

7/10

400

15/15 - 7/15

8/15

500

40/40 - 26/40

14/40