1 x 7 plus 2 x 7 is the same as 3 x 7
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To find 6x7 using 3x7, you can simply double the result of 3x7. This is because multiplication is distributive over addition, meaning that multiplying a number by a sum is the same as multiplying the number by each addend and then adding the products. In this case, 6x7 can be thought of as (3+3)x7, which equals 3x7 + 3x7, or 21 + 21, which equals 42.
1x3=3x3=9
How can you use 2x10 to find 4x10
The fact that 3 x 9 = 27
In what situtation can you use only multiplication to find equivalent fraction? Give an example