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Unit 1 - Lesson 15 - Grade 3: Illustrative Mathematics
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Lesson: More Factors, More Problems
Cool Down: Solve the Problem
Grade 3 Unit 1
Lesson 15: More Factors, More Problems
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 1
Lesson 15: More Factors, More Problems
CC BY 2021 Illustrative Mathematics®
Number Talk: Tens (Warm Up)
Find the value of each expression mentally.
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Represent Situations with Equations
For each problem:
Write an equation with a symbol for the unknown to represent the situation.
Find the number that makes the equation true. Show your reasoning.
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Multiplication Mashup
Solve each problem. Explain or show your reasoning.
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Solve each problem. Explain or show your reasoning.
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Question 13
13.
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Question 1
1.
1 x 10
Question 2
2.
2 x 10
Question 3
3.
3 x 10
Question 4
4.
4 x 10
Question 5
5.
There are 15 plates. Han placed 5 plates on each table. How many tables have plates on them?
Equation: _______
Solution: _______
Question 6
6.
Lin made 6 sandwiches. She used 2 slices of bread for each sandwich. How many pieces of bread did she use?
Equation: _______
Solution: _______
Question 7
7.
Han has 60 ice cubes. The ice cubes are in trays of 10. How many trays of ice cubes does Han have?
Equation: _______
Solution: _______
Question 8
8.
Clare has 16 socks. She puts them in piles of 2. How many piles can she make?
visibility
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Question 9
9.
Diego has 8 piles of socks. Each pile of socks has 2 socks. How many socks does Diego have?
visibility
View drawing
Question 10
10.
Andre has 16 socks. He puts them in 8 groups that are the same size. How many socks are in each group?
visibility
View drawing
Question 11
11.
The store has 9 boxes. Each box has 5 shirts. How many shirts are there?
visibility
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Question 12
12.
A store has 80 sweaters. There are 8 sweaters in each pile on a shelf. How many piles of sweaters are on the shelf?
visibility
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There are 4 boxes. Each box has 10 toys. How many toys are there?
Question 14
14.
Elena has 10 socks. She puts them in piles of 2. How many piles does she make?