Question

Donna is building a large cube that will have 5 layers, each

with 5 rows of 5 small cubes. How many small cubes will the
larger cube contain?

Answer 1

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Multiple 5x5 (5 layers and 5 rows)

=25

and

for 5 small cubes

again multiple 25x5

=125

Answer 2

the larger cube will contain 125 small cubes.

Explanation:

Easy the larger cube will have 5 layers, each with 5 rows of 5 small cubes. Therefore, the total number of small cubes in each layer is 5 x 5 = 25.

Do it this way, multiply the number of small cubes in each layer by the number of layers. That is:

Total number of small cubes = Number of layers x Number of small cubes in each layer

Total number of small cubes = 5 x 25

answer is = 125