Multiplying & Dividing Fractions
Number Stories
Multiplying & Dividing Decimals + Powers of 10
Line Plots
Volume
100
What is 2/5 x 12?
4 4/5
100
1. Write a number story that matches the expression:
2/3 x 18.
2. Then solve
Number stories vary
Answer: 12
100
When multiplying decimals by powers of 10, the decimal moves to the ________. When dividing decimals by powers of 10, the decimal moves to the _______.
1. Right (for multiplying)
2. Left (for dividing)
100
What was the most common amount of hours spent reading?
2 1/2 hours
100
What are the TWO formulas for volume?
1. LxWxH
2. Bxh
200
What is 5/8 x 1/8?
5/64
200
Ollie has 1/3 of a dog treat. Timmy takes 1/2 of his treat for himself. How much did Timmy take?
*You must include a number sentence and your answer WITH UNITS*
1/3 x 1/2 = 1/6
Timmy will receive 1/6 of a treat.
200
What is the name of the number that tells you how many places to move your decimal?
The exponent
200
How many students read for 2 hours or less?
12 students.
200
What are the steps for solving the volume for a shape like below?
1. Find the volume of one prism
2. Find the volume of the second prism
3. Add the two volumes together.
300
What is 1/5 of 15?
3
300
Ellie has 10 feet of fabric for a blanket. She wants to use 1/2 of them for a potholder. How much fabric will she use?
*You must include a number sentence and your answer WITH UNITS*
10 x 1/2= 5 pieces
300
Solve BOTH problems. You will earn one shot for each correct answer:
1. 4.875 x 105
2. 637.9 divided by 104
1. 487500
2. .06379
300
Nora documented the amount of time she spent studying. What is the total of the 6 greatest amounts of time Nora studied?
*Include your number sentence and your answer with units.*
Number sentence: 5 + 4 1/2 + 4 1/2 + 4 1/2 + 4 + 4 = 26.5 hours
300
Find the volume for the shape below. Include your number sentence and units in your answers.
(3x5x2) + (6x5x6) = 210 inches3
400
Solve the following fraction division problem:
1/4 divided by 7
1/28
400
1. Write a MULTIPLICATION number story for:
6/8 x 24.
2. Solve your number story and include units.
Number stories will vary
Answer: 18
400
Make an estimate, then solve. Be sure to place the decimal in your final answer.
31.9 x 2.7
Estimate: 30 x 2 = 60 (Answers will vary)
Answer: 86.13
400
Solve the problem below. Include a number sentence and units in your answer.
Number sentence: 2 7/8 - 1 2/8 = 1 5/8 inches
400
Find the volume for the shape below. Include your number sentence and units in your answers.
(12x6x5) + (8x5x4) = 520 inches3
500
Solve the following fraction division problem:
5 divided by 1/3
15
500
1. Write a number story for:
16 x 2/4
2. Solve your number story and include units.
Number stories will vary.
Answer: 8
500
*FINAL JEOPARDY*
Make an estimate, then solve. Be sure to place the decimal in your final answer.
375.2/4
Estimate: 300/2 = 150
Answer: 93.8
500
FREEBIE! Everyone gets 500 points!
HOORAY!
500
Amanda is making a three-tiered birthday cake. The base layer is 10 inches long and 8 inches wide. The middle layer is 8 inches long and 6 inches wide. The top layer is 6 inches long and 4 inches wide. All layers are 5 inches tall. Find the total volume of the cake.
*Include your number sentence and answer with units*
(10x8x5) + (8x6x5) + (6x4x5) = 760 in3