Unit 4, Lesson 2
How Many in Each Group?
Grade 3
Warm-up
What do you notice? What do you wonder?
Activity 1
Solve each problem. Show your thinking using objects, a drawing, or a diagram.
- A worker packs 20 apples in 4 boxes. She packs the same number of apples in each box. How many apples are in each box?
- A worker packs 36 apples in 6 boxes. He packs the same number of apples in each box. How many apples are in each box?
- A worker packs 45 apples in 9 boxes. She packs the same number of apples in each box. How many apples are in each box?
Activity 2
Visit the posters around the room with your partner. Discuss what is similar and what is different about the thinking shown on the posters.
Activity 3
A farmer puts 24 apples in boxes. She puts 8 apples in each box. How many boxes are there?
A farmer packs 20 apples in 4 boxes. She packs the same number of apples in each box. How many apples are in each box?
Discuss with your partner:
- How are these problems alike?
- How are they different?
- What is alike and what is different about how these problems are represented and solved?