Grade 7 Multi-digit Multiplication Worksheet

Multi-digit Multiplication: Standard Algorithm

Read each question carefully and solve the multi-digit multiplication problems using the standard algorithm. Show all your work.

1. Multiply: 245 × 13

2. Calculate: 382 × 26

3. Solve: 509 × 31

4. When multiplying 2-digit numbers, the first partial product is found by multiplying the bottom digit in the ones place by the entire top number. The second partial product starts with a zero in the   place.

5. The standard algorithm for multiplication involves breaking down the problem into simpler   steps, then adding the results.

6. Which of the following is the correct first step when using the standard algorithm to multiply 147 × 23?

7. When multiplying 45 × 10, you can simply add a zero to 45 to get the answer.

8. The product of two positive numbers is always a positive number.

9. A school ordered 15 boxes of pencils. Each box contains 144 pencils. How many pencils did the school order in total? Show your work using the standard algorithm.