math 2
posted by giovanna .
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?

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. 
955 the beat

576

64

64
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