Vocabulary
Unit Fractions
Whole and Equal Parts and
Estimating Fractions
Fractions of a set
100

This is what two equal parts are called.

halves

100

This heart is divided into halves and one of the halves is shaded. What part of the whole is shaded?

1/2 (one half)

100

This square is divided into two parts that have the same size and are the same shape. Does this square have equal or unequal parts?

equal

100

This is a set with two red fish and one blue fish. What fraction of the fish are blue?

1/3

200

This is what three equal parts is called.

thirds

200

Maria has a kite that has four equal parts. Two of the parts are shaded. What fraction of the kite is shaded?

2/4 (two fourths)

200

This triangle is divided into 5 pieces that are NOT the same size and shape. These pieces are.....

unequal

200

There are 5 flowers. Three of the flowers are red, and 2 of the flowers are purple. What fraction of the flowers are purple?

2/5

300

This is what four equal parts are called.

fourths

300

Jerry had an orange with six equal parts. Jerry gave away one part of his orange. What fraction of the orange did he give away?

1/6 (one sixth)

300

This glass of water is empty. If this glass of water is empty, about how much water is in the glass?

about 0

300

This is a set of 6 balls. 3 are of the balls are footballs, 2 are soccer balls, and one is a baseball. What fraction of the balls are footballs?

3/6

400

This is what six equal parts is called.

sixths

400

This circle that is divided into four equal parts. Three of the parts are shaded. What is the fraction for the shaded part of the circle?

3/4 (three fourths)

400

You ate 5 pieces of an apple. There are 5 pieces left. Is the amount left closest to 0, 1, or 1/2?

1/2 (one half)

400

This is a set of 12 apples. 10 of the apples are green and 2 of the apples are yellow. What fraction shows the green apples in the set?

10/12

500

This describes equal parts of a whole.

fraction

500

Ned's rose garden has four equal parts. One part is red roses. What part of the rose garden is red roses?

1/4 (one fourth)

500

The trashcan is almost full of trash. About how much trash is in the bag? Is the answer about 1 bag, about 1/2 of a bag, or about none or 0 of a bag?

about 1 bag

500

This is a set of 10 pens. 4 of the pens are blue, 1 of the pens is orange, 3 of the pens are black, and 2 of the pens are pink. What fraction shows the number of black pens?

3/10

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