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: 6
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? You can earn one shot per correct answer.
1. LxWxH; length x width x height
2. Bxh; Base x height
200
What is 5/8 x 1/8?
5/64
200
Ollie has 1/3 of a dog treat. He wants to share it evenly with himself and a friend. How many dogs treat will each dog get?
*You must include a number sentence and your answer WITH UNITS*
1/3 x 1/2 = 1/6
Each dog 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 2/5 of 15?
6
300
Ellie has 10 feet of fabric for a blanket. She wants to break up the fabric into 1/2 pieces. How many pieces will she have?
*You must include a number sentence and your answer WITH UNITS*
10 x 2/1 = 20
Ellie will have 20 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 inches
400
Solve the following fraction division problem:
5 ➗ 1/2
10
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 inches
500
Solve the following fraction division problem:
1/8 ➗ 7
1/56
500
1. Write a DIVISION number story for:
16 divided by 1/3
2. Solve your number story and include units.
Number stories will vary.
Answer: 48
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
With your group members, use the inches side of a measuring tape to measure the length of each of your palms (measure from the tip of your third finger to the bottom of your hand) to the nearest 1/4 inch.
1. Make a line plot using the data you have gathered
2. Title your line plot
3. Label your line plot (what does your data show?)
4. Find the difference between your biggest and smallest measurements
CHALLENGE (earn an extra shot): Add all of your measurements and divide by the number of people in your group (find the average palm size).
Teachers check; answers will vary.
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