How can you use 4s fact to find 7x8? Give the product in your explanation.

Final answer:

You can use the 4s fact to find the product of 7 and 8 by breaking down 7 x 8 into (4 x 2) x 8, then rearrange to (4 x 8) x 2. Thus, the product of 7 and 8 is 64.

Explanation:

The question relates to using the known multiplication fact of 4 to find the product of 7 and 8. The method involves breaking down 7 x 8 into (4 x 2) x 8, which could be rearranged to (4 x 8) x 2 = 32 x 2 = 64. By using the 4s fact, we first multiplied 4 by 8 to get 32, then multiply the result by 2 to derive the product of 7 and 8.

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Final answer:

You can find 7x8 using 4s facts by adding the product of 4x8 to the product of 3x8, which is 32 + 24 = 56.

Explanation:

You can use the 4s facts to find the product of 7x8 by doubling twice. Here's how it works:

1. First, use the 4s fact, which you should know is 4x8=32.
2. Then, knowing that 7 is 4+3, you can use the product you already found and the 3s fact (3x8=24), to find 7x8. Add the two products together: 32 (for 4x8) + 24 (for 3x8) = 56.

Therefore, the product of 7x8 is 56.

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