4th Grade Fractions!

Equivalent Fractions and Simplifying

100

Write two fractions that are equivalent to 2/3

4/6, 6/9, 8/12, etc

200

Which of the following is NOT equivalent to 4/12? a. 1/3 b. 2/6 c. 8/22

c. 8/22

300

Four twelfths = One _______

third

400

4/24 simplifies to:

1/6

500

120/200 simplifies to:

3/5

Decompose and compose fractions

100

Decompose the fraction of 4/8 two different ways.

1/8 + 1/8 + 1/8 + 1/8 = 4/8

2/8 + 2/8 = 4/8

3/8 + 1/8 = 4/8

(Answers can vary)

200

What fraction represents the stars in the following symbols?

****&&&&&

4/9

300

Decompose the fraction 10/20 four different ways.

1/20 + 1/20 + 1/20 +1/20 +1/20 + 1/20 + 1/20 + 1/20 + 1/20 + 1/20 = 10/20

5/20 + 5/20 = 10/20

2/20 + 2/20 + 2/20 + 2/20 + 2/20 + 10/20

3/20 + 7/20 = 10/20

400

What would the mixed number 4 4/5 look like?

Picture

500

Decompose the mixed number 2 2/3

3/3 + 3/3 + 1/3 + 1/3 = 2 2/3

Challenge

100

There were 5 pizzas. Each pizza was cut into 6 slices. You ate 3 slices. Write a mixed number to show how many pizzas were left.

4 and 3/6 (1/2) pizzas

200

Add the two fractions 2/10 and 3/100.

23/100

300

You have 99 cookie halves. How many whole cookies can you make?

49 whole cookies and 1/2 extra

400

Solve the problem:

5/10 - 33/100 =

17/100

500

Random

Random

Word Problems

100

At a doggie party, two dogs had one cake to share. Fido ate 2/3 of the cake, and Spike ate 2/3 of the cake. True or False?

False. This would mean they ate more than 1 whole cake, which is impossible.

200

I was making a cake for my friend's birthday. So far, I have frosted 3 eighths of the cake. The rest will be plain. What fraction of the cake will be plain?

5/8 of the cake

300

In a fourth grade class, there are 24 kids. 9 of the kids are absent. How many kids are there left in the classroom? 

Double points: Simplify the answer to its lowest form.

9/24

3/8

400

Mary wants to eat 9/10s of a cake. She wants to find an equivalent of 9/10s. Find an equivalent fraction and do not use 2.

Check

500

Cookie monster wants to each 500 cookies. Cookie Monster only has 300. What fraction represents the amount of cookies that cookie monster has.

Bonus points: Simplify the fraction to its lowest terms

300/500

3/5

Miscellaneous

100

What does the word equivalent mean?

The fractions have different numbers but the same value.

200

What is a mixed number?

It is both a whole and fraction.

300

What do we multiply or divide fractions by to find equivalent fractions?

The big one!

400

What is the most important thing to remember when adding or subtracting fractions?

They have to have like denominators.

500

Find the greatest common factor (GCF) of 32 and 96.

GCF: 3