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K-5 Grade 5 Unit 4 Lesson 6

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Lesson 6

Warm-up Activity 1 Activity 2

Unit 4, Lesson 6

Standard Algorithm: Multi-digit Numbers, with Composing

Grade 5

Warm-up

Find the value of each product mentally.

Activity 1

Find the value of .
Lin uses the standard algorithm to find the value of .

multiply. two hundred forty one times 23. 5 rows. First row: two hundred forty one. Second row: multiplication symbol, 23. Horizontal line. Third row: seven hundred twenty three. Fourth row: plus four thousand eight hundred twenty. Horizontal line. Fifth row: five thousand five hundred forty three
1. Where do you see in Lin’s work?
2. Where do you see in Lin’s work?
3. What does the 1 above 241 represent in Lin’s calculation?
Use the standard algorithm to find the value of .
Use the standard algorithm to find the value of .

Activity 2

Find the value of each product, using the standard algorithm.