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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 × 1 = blank
  2. 2.18 × 16 = blank
  3. 3.9 × 2 = blank
  4. 4.15 × 2 = blank
  5. 5.13 × 14 = blank
  6. 6.6 × 18 = blank
  7. 7.19 × 18 = blank
  8. 8.8 × 11 = blank
  9. 9.1 × 16 = blank
  10. 10.18 × 8 = blank
  11. 11.5 × 9 = blank
  12. 12.3 × 7 = blank
One small step. One stronger skill.12 questions · Seed 48
View the answer key
Worksheet StudioAnswer key

Extended multiplication

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 × 1 = 0
  2. 2.18 × 16 = 288
  3. 3.9 × 2 = 18
  4. 4.15 × 2 = 30
  5. 5.13 × 14 = 182
  6. 6.6 × 18 = 108
  7. 7.19 × 18 = 342
  8. 8.8 × 11 = 88
  9. 9.1 × 16 = 16
  10. 10.18 × 8 = 144
  11. 11.5 × 9 = 45
  12. 12.3 × 7 = 21
One small step. One stronger skill.12 questions · Seed 48
Worksheet StudioMaths practice

Extended multiplication

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

Name ____________________Date ______________
  1. 1.0 × 1 = blank
  2. 2.18 × 16 = blank
  3. 3.9 × 2 = blank
  4. 4.15 × 2 = blank
  5. 5.13 × 14 = blank
  6. 6.6 × 18 = blank
  7. 7.19 × 18 = blank
  8. 8.8 × 11 = blank
  9. 9.1 × 16 = blank
  10. 10.18 × 8 = blank
  11. 11.5 × 9 = blank
  12. 12.3 × 7 = blank
One small step. One stronger skill.12 questions · Seed 48
Worksheet StudioAnswer key

Extended multiplication

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 × 1 = 0
  2. 2.18 × 16 = 288
  3. 3.9 × 2 = 18
  4. 4.15 × 2 = 30
  5. 5.13 × 14 = 182
  6. 6.6 × 18 = 108
  7. 7.19 × 18 = 342
  8. 8.8 × 11 = 88
  9. 9.1 × 16 = 16
  10. 10.18 × 8 = 144
  11. 11.5 × 9 = 45
  12. 12.3 × 7 = 21
One small step. One stronger skill.12 questions · Seed 48