Beginning 4th Grade Fraction Action

fraction vocabulary

100

This is the number on the top of the fraction.

the numerator

200

This is the number on the bottom of the fraction.

the denominator

300

This part of the fraction shows how many equal parts are in the whole.

the denominator

400

This is what the denominators must be before we can add or subtract fractions.

They must be common denominators (the same).

500

This form of a fraction is when the numerator and denominator do not share a common factor other than 1.

It is in simplest form.

equivalent fractions

100

What does equivalent mean?

It means equal.

200

Name a fraction equivalent to 1/4

unlimited possible answers

300

Name a fraction equivalent to 3/8

unlimited answers possible

400

Are 4/5 and 1/3 equivalent?

No.

500

Are 2/4 and 5/10 equivalent?

Yes - both are 1/2.

simplest form

100

Express 4/8 in simplest form.

1/2

200

Express 3/9 in simplest form.

1/3

300

Express 15/25 in simplest form.

3/5

400

Express 18/24 in simplest form.

3/4

500

Express 2/9 in simplest form.

It is in simplest form already!

adding fractions

100

1/8 + 4/8 = 

5/8

200

3/7 + 2/7 = 

5/7

300

1/6 + 1/3 = 

3/6  = 1/2

400

4/8 + 1/4 = 

7/8

500

3/4 + 2/12 =

11/12

subtracting fractions

100

9/10 - 4/10 = 

5/10

200

7/8 - 2/8 = 

5/8

300

6/9 - 1/3 =

3/9  =  1/3

400

4/5 - 2/10 = 

6/10  =  3/5

500

8/12 - 2/4

2/12  =  1/4