1. Whole Numbers

Write an expression to represent the array.

State which property of multiplication is being used.

$3(5\times 2)\bullet 9=3\bullet 5(2\times 9)$

Draw an array to represent the expression.

$5\times 3$

Rewrite the problem as a multiplication problem and solve.

$3+3+3+3+3+3+3$

Find the product.