1. Estimate: 300 × 500 = 150,000
Exact: 323 × 458 = 148,034
Comparison: 150,000 > 148,034
2. Estimate: 100 × 100 = 10,000
Exact: 121 × 145 = 17,545
Comparison: 10,000 < 17,545
3. Estimate: 400 × 500 = 200,000
Exact: 432 × 451 = 194,832
Comparison: 200,000 > 194,832
4. Estimate: 700 × 100 = 70,000
Exact: 671 × 132 = 88,572
Comparison: 70,000 < 88,572
5. Estimate: 200 × 400 = 80,000
Exact: 231 × 412 = 95,172
Comparison: 80,000 < 95,172
6. Estimate: 500 × 400 = 200,000
Exact: 523 × 363 = 190,049
Comparison: 200,000 > 190,049
7. Estimate: 700 × 500 = 350,000
Exact: 713 × 512 = 365,056
Comparison: 350,000 < 365,056
8. Estimate: 500 × 600 = 300,000
Exact: 512 × 621 = 317,952
Comparison: 300,000 < 317,952
9. Estimate: 500 × 300 = 150,000
Exact: 523 × 323 = 168,929
Comparison: 150,000 < 168,929
10. Estimate: 700 × 100 = 70,000
Exact: 768 × 123 = 94,464
Comparison: 70,000 < 94,464
Parent Tip: Review the logic above to help your child master the concept of estimating products worksheet.