Multiplying Two Numbers

Use partial products and place-value with regrouping to multiply.

Use partial products. Multiply 72 × 4

Estimate the product: 72 rounds to 70, 70 × 4 = 280

STEP 1: Multiply the 2 ones, or 2 by 4. STEP 2: Multiply the 7 tens, or 70 by 4. STEP 3: Add the partial products.

Learn more about finding the product of one – digit number by a two – digit number below.

Multiplying Two Numbers