Maths Library

Multi-Digit Multiplication: Grade 4 math

Develop multi-digit written multiplication using standard columnar methods. Worksheets progress from two-digit by two-digit integers to multi-digit and decimal calculations.

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What this covers

Multi-Digit Multiplication is taught in Grade 4 (age 9 to 10) as a main teaching focus. It sits in the Number strand.

Worked example

Calculate 34 × 26

  1. Multiply 34 by 6: 34 × 6 = 204
  2. Multiply 34 by 20: 34 × 20 = 680
  3. Add the partial products: 204 + 680 = 884

Answer: 884

Difficulty scale

The sheet generator offers five difficulty settings for this topic.

  1. 2-digit by 2-digit numbers with no regrouping required
  2. 2-digit by 2-digit numbers with regrouping required
  3. 3-digit by 2-digit numbers
  4. 4-digit by 2-digit numbers
  5. Multi-digit by 3-digit numbers or calculations involving 1 decimal place

Common mistakes

  • Forgetting the placeholder zero in the second row when multiplying by the tens digit
  • Adding carried digits before multiplying instead of after

Curriculum links

Indicative matches to Common Core State Standards. Check wording and codes against the official document.

  • 4.NBT.B.5 Multiply a whole number of up to four digits by a one-digit whole number and multiply two two-digit numbers.

Sample sheet and answers

Six questions at the level's usual difficulty. Open the editor to change, add or regenerate any of them.

Multi-Digit Multiplication

Grade 4 math

Qs
6
Marks
12
NameDateScore / 12
1.
48 × 19 =
[2]
2.
68 × 16 =
[2]
3.
84 × 28 =
[2]
4.
37 × 20 =
[2]
5.
31 × 12 =
[2]
6.
96 × 16 =
[2]

Answer key

  1. 912Split 19: 48 × 10 = 480, and 48 × 9 = 432; Add: 912
  2. 1088Split 16: 68 × 10 = 680, and 68 × 6 = 408; Add: 1088
  3. 2352Split 28: 84 × 20 = 1680, and 84 × 8 = 672; Add: 2352
  4. 740Split 20: 37 × 20 = 740, and 37 × 0 = 0; Add: 740
  5. 372Split 12: 31 × 10 = 310, and 31 × 2 = 62; Add: 372
  6. 1536Split 16: 96 × 10 = 960, and 96 × 6 = 576; Add: 1536