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Ages 10–12

Extended multiplication

Multiply teen and two-digit numbers up to 20 × 20. Review suitability for your learners before teaching.

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Worksheet StudioMaths practice

Extended multiplication

Take your time. Show your thinking. You've got this.

Name ____________________Date ______________
  1. 1.0 × 15 = blank
  2. 2.9 × 4 = blank
  3. 3.12 × 7 = blank
  4. 4.13 × 10 = blank
  5. 5.11 × 15 = blank
  6. 6.19 × 13 = blank
  7. 7.12 × 13 = blank
  8. 8.0 × 10 = blank
  9. 9.12 × 16 = blank
  10. 10.20 × 11 = blank
  11. 11.1 × 15 = blank
  12. 12.12 × 15 = blank
One small step. One stronger skill.12 questions · Seed 44
View the answer key
Worksheet StudioAnswer key

Extended multiplication

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 × 15 = 0
  2. 2.9 × 4 = 36
  3. 3.12 × 7 = 84
  4. 4.13 × 10 = 130
  5. 5.11 × 15 = 165
  6. 6.19 × 13 = 247
  7. 7.12 × 13 = 156
  8. 8.0 × 10 = 0
  9. 9.12 × 16 = 192
  10. 10.20 × 11 = 220
  11. 11.1 × 15 = 15
  12. 12.12 × 15 = 180
One small step. One stronger skill.12 questions · Seed 44
Worksheet StudioMaths practice

Extended multiplication

Take your time. Show your thinking. You've got this.

Name ____________________Date ______________
  1. 1.0 × 15 = blank
  2. 2.9 × 4 = blank
  3. 3.12 × 7 = blank
  4. 4.13 × 10 = blank
  5. 5.11 × 15 = blank
  6. 6.19 × 13 = blank
  7. 7.12 × 13 = blank
  8. 8.0 × 10 = blank
  9. 9.12 × 16 = blank
  10. 10.20 × 11 = blank
  11. 11.1 × 15 = blank
  12. 12.12 × 15 = blank
One small step. One stronger skill.12 questions · Seed 44
Worksheet StudioAnswer key

Extended multiplication

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 × 15 = 0
  2. 2.9 × 4 = 36
  3. 3.12 × 7 = 84
  4. 4.13 × 10 = 130
  5. 5.11 × 15 = 165
  6. 6.19 × 13 = 247
  7. 7.12 × 13 = 156
  8. 8.0 × 10 = 0
  9. 9.12 × 16 = 192
  10. 10.20 × 11 = 220
  11. 11.1 × 15 = 15
  12. 12.12 × 15 = 180
One small step. One stronger skill.12 questions · Seed 44