Subtracting Numbers within 100 Using Base 10 Blocks

This video tutorial teaches how to subtract numbers within 100 using base ten blocks. It begins with an introduction to base ten blocks and place value, explaining how numbers are represented and the importance of understanding place value. The tutorial provides examples of subtraction, including 47 - 32, 54 - 26, and 81 - 48, demonstrating the process of regrouping when necessary. The video emphasizes the importance of understanding the value of each digit in a number and how to break apart groups of ten to facilitate subtraction.

What is the value of the digit 2 in the number 267?

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Explain why the 4 in the number 46 has a value of 40.

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Describe how to subtract 32 from 47 using base ten blocks.

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What do you do when you cannot take away 6 ones from 4 ones?

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What is the result of subtracting 54 from 26, and how do you arrive at that answer?

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How can you represent the number 81 using tens and ones?

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In your own words, explain how to use base ten blocks to subtract numbers.

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