Fractions of a Set introduction

Front

What is a fraction?

Back

A fraction represents a part of a whole. It is written as two numbers separated by a slash, like 1/2.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the top number in a fraction represent?

Back

The top number is called the numerator. It shows how many parts we have.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the bottom number in a fraction represent?

Back

The bottom number is called the denominator. It shows how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is 1/2 of 10?

Back

5

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

If you have 8 apples and 3 are red, what fraction of the apples are red?

Back

3/8

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the fraction of 4 out of 10?

Back

4/10 or simplified to 2/5.

Tags

CCSS.3.G.A.2

Front

How do you find a fraction of a set?

Back

To find a fraction of a set, multiply the total number by the numerator and then divide by the denominator.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is 3/4 of 16?

Back

12

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

If 2/5 of a class of 20 students are girls, how many girls are there?

Back

8 girls.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What fraction of a pizza is left if 3 out of 8 slices are eaten?

Back

5/8 of the pizza is left.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B