1. 20 × 60
Basic fact: 2 × 6 = 12
Number of zeros in each factor: 1 + 1 = 2
Product: 20 × 60 = 1,200
2. 9 × 80
Basic fact: 9 × 8 = 72
Number of zeros in each factor: 0 + 1 = 1
Product: 720
3. 5 × 9 = 45
5 × 90 = 450
5 × 900 = 4,500
5 × 9,000 = 45,000
4. 3 × 6 = 18
3 × 60 = 180
3 × 600 = 1,800
3 × 6,000 = 18,000
5. 4 × 12 = 48
40 × 12 = 480
400 × 12 = 4,800
4,000 × 12 = 48,000
6. 6 × 60 = 360
60 × 60 = 3,600
600 × 60 = 36,000
6,000 × 60 = 360,000
7. 7 × $3 = $21
70 × $3 = $210
700 × $3 = $2,100
7,000 × $3 = $21,000
8. 5 × 40 = 200
50 × 40 = 2,000
500 × 40 = 20,000
5,000 × 40 = 200,000
Parent Tip: Review the logic above to help your child master the concept of multiplication patterns worksheet.
