Worksheet: Multiplying a Multidigit Number by a One-Digit Number Using Expanded Form

In this worksheet, we will practice multiplying a multidigit number by a one-digit number using models.

Q1:

Evaluate the expression without using a calculator. 4 8 1 2 × 1 3 . . . .

Q2:

Look at how Sally found that .

  1. Multiply the tens.
  2. Multiply the ones.
  3. Add.

Use her method to find the following products.

Q3:

Rania used to solve .

Use her method to answer these questions.

Q4:

Partitioning a number into column values helps us to multiply quickly. Partial products are added together to find the total.

Benjamin has used this strategy to show that 3 6 × 7 = 2 5 2 .

Use the same strategy to find the product of 48 and 9.

Q5:

Ramy spilled ink on his multiplication homework. Write the numbers that are covered in ink.

Q6:

Fill in the missing digits:

  • A5, 9
  • B8, 3
  • C4, 9
  • D5, 6

Q7:

Fill in the missing digits: 6 7 2 × 9 = 5 1 4 8 .

  • A6, 6
  • B6, 5
  • C6, 4
  • D5, 9
  • E5, 6

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