Free worksheets · Grade 4
Multiplying 2-Digit by 2-Digit Numbers Worksheet
Multiply two 2-digit numbers in two lines, by the ones digit and then the tens digit, and add.
Free printable
Multiplying 2-Digit by 2-Digit Numbers
9 questions, one page, US Letter. Print it and do it on paper.
On the sheet: Multiply the top number by the ones digit of the bottom number and write it on the first line. Multiply the top number by the tens digit and write it on the second line, with a zero in the ones place first because you are multiplying by tens. Add the two lines.
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About this worksheet
Multiplying two 2-digit numbers is two smaller multiplications. First multiply the top number by the ones digit of the bottom number. Then multiply it by the tens digit, and add the two lines.
The second line starts with a zero in the ones place, because the tens digit is a number of tens: in 27 × 45, the 4 means 40.
A worked example
27 × 45 = ?
- Multiply by the ones digit: 27 × 5 = 135. Write it on the first line.
- Write a zero in the ones place of the second line, then multiply by the tens digit: 27 × 4 = 108, so the line reads 1,080.
- Add the two lines: 135 + 1,080 = 1,215.
Answer: 27 × 45 = 1,215
The common mistake
What it looks like: Forgetting the zero on the second line: 135 + 108 = 243.
Why it happens: The child multiplies by the 4 and writes the answer straight under the first line, as if the 4 were ones.
How to fix it: Say the digit's value before multiplying: the 4 in 45 is 40. Write the zero first, then 27 × 4 to its left.
Ten minutes a day, on paper. We plan what comes next.
A printed page and a pencil. No screen, no login for your child. Snap a photo when they’re done: AI scores it, and what they missed comes back on the sheets that follow.
- Mon Multiplying 2-Digit by 2-Digit Numbers
- Tue What they missed, back again
- Wed The next step, when they’re ready
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