Posted by giovanna on .
tina's preschool has a set of cardboard building blocks, each of which measures 9 inches by 9 inches by 4 inches. how many of these blocks will tina need to build a wall with dimensions of 4 inches in thickness, 3 feet in in height and 12 feet in length?

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Ms. Sue,
Since there are 36 inches in 3 feet, the wall must be 4 blocks high (36/9 = 4).
How many blocks will Tina need for the length (12 feet = 144 inches)?
Multiply 4 by the number of blocks needed for the length to find the total number of blocks.
If you post your answer, we'll be glad to check it. 
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bobby,
955 the beat

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jelani,
576

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Anonymous,
64

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George,
64