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Unit 4 - Lesson 17 - Grade 3: Illustrative Mathematics

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17 Questions
Note from the author:
Grade 3 Unit 4
Lesson 17: Use the Four Operations to Solve Problems
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 4
Lesson 17: Use the Four Operations to Solve Problems
CC BY 2021 Illustrative Mathematics®
Lesson: Use the Four Operations to Solve Problems

True or False: Multiply by 10 (Warm Up)

Decide if each statement is true or false. Be prepared to explain your reasoning.
1.

2 x 40 = 2 x 4 x 10

2.

Explain your reasoning.

3.

2 x 40 = 8 x 10

4.

Explain your reasoning.

5.

3 x 50 = 15 x 10

6.

Explain your reasoning.

7.

3 x 40 = 7 x 10

8.

Explain your reasoning.

Questions about a Situation

9.

There are 142 guests at a party. All the guests are in 2 rooms. Room A has 94 guests. Room B has 6 tables that each have the same number of guests. There are 4 pieces of silverware and 1 plate for each guest.

What questions could you ask about this situation?

Party Problems

10.

Write an equation to represent the situation. Use a letter for the unknown quantity.

Kiran is making paper rings each day to decorate for a party. From Monday to Thursday he was able to complete 156 rings. Friday, Kiran and 2 friends worked on making more rings. Each of them made 9 more rings. How many rings did they make over the week?

11.

Solve the problem. Explain or show your reasoning.

12.

Write an equation to represent the situation. Use a letter for the unknown quantity.

Mai has 168 muffins. She put 104 of the muffins in a basket. She packed the rest of the muffins into 8 boxes with the same number of muffins. How many muffins were in each box?

13.

Solve the problem. Explain or show your reasoning.

14.

Write an equation to represent the situation. Use a letter for the unknown quantity.

There are 184 cups on a table. Three tables with 8 people at each table come up to get drinks and each use a cup. How many cups are on the table now?

15.

Solve the problem. Explain or show your reasoning.

Cool Down: Andre’s Balloons
Andre has 125 balloons. He and 4 friends hung up some balloons for a party at school and now there are 80 balloons left. If each person hung up the same number of balloons, how many balloons did each person hang up?
16.

Write an equation with a letter for the unknown quantity to represent the situation.

17.

Solve the problem. Explain or show your reasoning.