A. 5 × 853 = 4,265
- 5 × 800 = 4,000
- 5 × 50 = 250
- 5 × 3 = 15
- Total: 4,000 + 250 + 15 = 4,265
B. 9 × 283 = 2,547
- 9 × 200 = 1,800
- 9 × 80 = 720
- 9 × 3 = 27
- Total: 1,800 + 720 + 27 = 2,547
C. 6 × 209 = 1,254
- 6 × 200 = 1,200
- 6 × 9 = 54
- Total: 1,200 + 54 = 1,254
D. 3 × 621 = 1,863
- 3 × 600 = 1,800
- 3 × 20 = 60
- 3 × 1 = 3
- Total: 1,800 + 60 + 3 = 1,863
E. 9 × 352 = 3,168
- 9 × 300 = 2,700
- 9 × 50 = 450
- 9 × 2 = 18
- Total: 2,700 + 450 + 18 = 3,168
F. 7 × 298 = 2,086
- 7 × 200 = 1,400
- 7 × 90 = 630
- 7 × 8 = 56
- Total: 1,400 + 630 + 56 = 2,086
G. 632 × 7 = 4,424
- 7 × 600 = 4,200
- 7 × 30 = 210
- 7 × 2 = 14
- Total: 4,200 + 210 + 14 = 4,424
H. 721 × 7 = 5,047
- 7 × 700 = 4,900
- 7 × 20 = 140
- 7 × 1 = 7
- Total: 4,900 + 140 + 7 = 5,047
Parent Tip: Review the logic above to help your child master the concept of one digit multiplication area model multiplication worksheet.
