Fraction Operations
Decimal Operations It!
Multiply or Divide?
Real-World Problems
Number Sense Challenge
100

Simplify: 

12/18

What is 2/3?

100

7.5 + 2.36

What is 9.86?

100

4/5 x 3

What is 2 2/5?

100

A notebook costs $3.25 and pens cost $4.90. What is the total cost?

What is $8.15?

100

Convert 2 3/4 to an improper fraction. 

What is 11/4?

200

3/4 x 2/5

What is 3/10?

200

20 − 8.47

What is 11.53?

200

3 ÷ 1/2

What is 6?

200

A recipe requires 3/4 cup of sugar per batch. You make 3 batches

What is 2 1/4 cups?

200

What is the reciprocal of: 5/8

What is 8/5?

300

1 1/2 x 2/3

What is 1?

300

2.5 × 1.4

What is 3.50?

300

0.45 × 0.6

What is 0.27?

300

Apples cost $1.85 per pound. Marcus buys 3.4 pounds.

What is $6.29?

300

Which is the best estimate for:

19.8×3.1

A. 6
B. 20
C. 60
D. 600

What is C.60?

400

5/6 ÷ 2/3

What is 1 1/4?

400

15.6 ÷ 4 

What is 3.9?

400

7.56 ÷ 1.2

What is 6.3?

400

You have 4 1/2 pounds of flour. Each batch requires 3/4 pound.

What is 6 batches?

400

A student says:

4.86 ÷ 0.2=2.43

They changed the problem to:

4.86÷2

What did they do wrong?


What is They moved the decimal in the divisor but did not move the decimal in the dividend?

500

3 3/4 ÷ 1 1/8

What is 3 1/3?

500

4.86 ÷ 0.2

What is 24.3?

500

2 1/4 ÷ 3/8

What is 6?

500

Samantha has $50. She buys 3 shirts that cost $12.45 each.

How much money does she have left?

What is $12.65?

500

A student solves 

2/3 ÷ 4/5

as 3/2 x 4/5

What is the mistake?

What they flipped the first fraction instead of the divisor?



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