3.05 x3

We can rewrite the addition as a multiplication using: \text{Number of groups}\times\text{Amount in each group}.

We have 3 groups of 2. We can rewrite this as multiplications: 2+2+2 = 3\times 2

We can think of 3 \times 6 as 3 groups of 6. The image shows 3 groups of 6 squares:

There are 18 squares in the above image.3 \times 6 = 18