Unit 4 - Lesson 5 - Grade 5: Illustrative Mathematics
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12 questions
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Grade 5 Unit 4
Lesson 5: Standard Algorithm: Multi-digit Numbers
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 4
Lesson 5: Standard Algorithm: Multi-digit Numbers
CC BY 2021 Illustrative Mathematics®
Lesson: Standard Algorithm: Multi-digit Numbers
Find the value of each product mentally.
Two algorithms for finding the value of 413 x 21 are shown.
How are the two algorithms the same? How are they different?
How are the two algorithms the same? How are they different?
Explain or show where you see each step from the first algorithm in the second algorithm.
Explain or show where you see each step from the first algorithm in the second algorithm.
How do the final steps in the two algorithms compare?
How do the final steps in the two algorithms compare?
Use the standard algorithm to find the value of each expression.
Diego found the value of 301 x 24. Here is his work. Why doesn’t Diego’s answer make sense?
Diego found the value of 301 x 24. Here is his work. Why doesn’t Diego’s answer make sense?
Cool Down: Standard Algorithm without Composition of a New Unit
Use the standard algorithm to find the value of 203 x 23.
Use the standard algorithm to find the value of 203 x 23.