Unit 4 - Lesson 17 - Grade 3: Illustrative Mathematics

Explain your reasoning.

Explain your reasoning.

Explain your reasoning.

Explain your reasoning.

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?

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?

Solve the problem. Explain or show your reasoning.

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?

Solve the problem. Explain or show your reasoning.

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?