- 26 × 14 = (20 + 6) × (10 + 4)
- 4 × 6 = 24
- 4 × 20 = 80
- 10 × 6 = 60
- 10 × 20 = 200
- Sum: 24 + 80 + 60 + 200 = 364
- 28 × 11 = (20 + 8) × (10 + 1)
- 1 × 8 = 8
- 1 × 20 = 20
- 10 × 8 = 80
- 10 × 20 = 200
- Sum: 8 + 20 + 80 + 200 = 308
- 35 × 17 = (30 + 5) × (10 + 7)
- 7 × 5 = 35
- 7 × 30 = 210
- 10 × 5 = 50
- 10 × 30 = 300
- Sum: 35 + 210 + 50 + 300 = 595
- 44 × 22 = (40 + 4) × (20 + 2)
- 2 × 4 = 8
- 2 × 40 = 80
- 20 × 4 = 80
- 20 × 40 = 800
- Sum: 8 + 80 + 80 + 800 = 968
- 32 × 12 = (30 + 2) × (10 + 2)
- 2 × 2 = 4
- 2 × 30 = 60
- 10 × 2 = 20
- 10 × 30 = 300
- Sum: 4 + 60 + 20 + 300 = 384
Parent Tip: Review the logic above to help your child master the concept of partial product multiplication worksheet.