Question

Question 1
Because of the commutative property of multiplication, it is true that 34×4=4×34
. However, these expressions can be calculated in different ways even though the solutions will be the same.

Below, show two different ways of solving this problem.

First, show how 34×4
can be solved using repeated addition.

(2 points)

Answer 1

34 × 4 as repeated addition:
34 + 34 + 34 + 34

Compute stepwise:
34 + 34 = 68
68 + 34 = 102
102 + 34 = 136

So 34 × 4 = 136.