Let's Be Rational

Evaluate

100

4/5 + 2/7

What is 1 and 3/35?

200

5/8 - 1/3 

What is 7/24?

300

3/4 x 6/11

What is 9/22?

400

3/4 ÷ 2/3

What is 1 and 1/8?

500

1/2 (2/3 + 1/2)

What is 7/12?

Word Problems

100

Steven had 2 and 2/3 pounds of candy. He gave away 3/4 of a pound. He has this many pounds left. 

What is 1 and 11/12?

200

Steven had 4 and 1/2 pounds of mints. His friend gave him another 4/5 pound of mints. The new amount of mints Steven has.

What is 5 and 3/10?

300

Steven made brownies and gave away 1/2 of his pan. His friend took 5/6 of what remained. The portion of the brownie pan Steven's friend took. 

What is 5/12?

400

Steven has 4 and 2/3 hours of homework. He wants to complete his homework evenly over 3 days. The amount of homework Steven should complete each day. 

What is 1 and 5/9?

500

Steven has a recipe that calls for 2/3 cups of cinnamon and 1/4 cup of sugar. Steven plans to triple his recipe. The total number of cinnamon and sugar cups needed. 

What is 2 and 3/4?

Fact Families

100

The complete fact family.

2, 8, 10

What is

2 + 8 = 10

8 + 2 = 10

10 - 2 = 8

10 - 8 = 2 ?

200

The complete fact family. 

1/4, 2/3, 11/12

What is

1/4 + 2/3 = 11/12

2/3 + 1/4 = 11/12

11/12 - 2/3 = 1/4

11/12 - 1/4 = 2/3 ?

300

The value of N. 

1/2 + N = 5/6 

What is 1/3?

400

The value of N. 

3/4 x N = 5

What is 6 and 2/3?

500

The value of N.

5/7 ÷ N = 2/3

What is 1 and 1/14?

Prime Time

100

The number this represents.

2³ x 3² x 5²

What is 1,800?

200

The GCF of 36 and 42.

What is 6?

300

5(x+3) after using the Distributive Property. 

What is 5x + 15?

400

The value of:

7 - 4 ÷ 8 x 4 + 6

What is 11?

500

Steven's local radio station is having a giveaway. Every 8th caller wins a music player and every 12th caller wins concert tickets. Steven was the first caller to win both a music player and concert tickets! Steven was this caller number.

What is 24?

Comparing Bits and Pieces

100

The absolute value of -18.

What is 18?

200

16/200 as a decimal and percent.

What are 0.08 and 8%?

300

4% of 40.

What is 1.6?

400

The number of halves in 8 and 3/4.

What is 17 and 1/2?

500

Steven watches TV and notices that for every 30 candy commercials, there are 9 car commercials. 

The number of candy commercials would you expect if Steven 12 car commercials.

What is 40?