Task Overview document
3rd Grade
3.NBT.3- Multiply one-digit whole numbers by multiples of 10 in the range 10-90 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.
Memorization
What is 70 x 9
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Procedures with Math Connections
What is 70 groups of 9? Draw a picture to support your answer. In your picture identify all of the numbers in the task.
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Procedures without Math Connections
What is 70 groups of 9?
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Doing Mathematics
A pack of pencils holds 70 pencils. If you have 9 packs how many pencils do you have? Draw a picture to support your answer. Write a sentence to explain how you know that you are correct.
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