Number Sense How can you use 4 x 7 to find 8 x 7? Find the product.
Assuming that yo9u already know that 4x7 = 28,
8 x 7 = 2 x (4x7)= 2 x 28 = 56
post it.
To use the multiplication of 4 x 7 to find 8 x 7, you can apply the concept of doubling. Since 8 is double the value of 4, we can double the product of 4 x 7 to find the product of 8 x 7.
Here's the step-by-step process:
1. Find the product of 4 x 7:
4 x 7 = 28
2. Double the product of 4 x 7:
28 x 2 = 56
Therefore, the product of 8 x 7 is 56.