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Published byJalyn Bonner Modified about 1 year ago

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Use base ten blocks and the clues to find the mystery numbers…

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My number is greater than 50. My number is less than 70. The digit in the ones place is a 4. You will use exactly ten base ten blocks to build my number. What’s the mystery number?

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The Mystery Number is 64!!

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Let’s try another one!!

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My number is between 20 and 30. The digit in the tens place is smaller than the digit in the ones place. You will use exactly eleven base-ten blocks to build my number. What’s the mystery number?

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29!!!! Let’s do another one!

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My number is greater than 30 but less than 40. The digit in the ones and tens place is the same. You will use exactly six base- ten blocks to build my number. What’s the mystery number?

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33!! Let’s do one more!

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My number is >than 30 and < 50. The sum of the digits in the tens place and the digits in the ones place is 4. What mystery number did you find? Did anyone get a different number?

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31 or 40! Great Job!!

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