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What's on the worksheet
- Estimate each product by rounding each factor to its leading place:7 × 4125 × 2,89363 × 4881 × 379 × 6,150
- Estimate each product and decide whether the student's answer is reasonable.8 × 527 = 4,21643 × 61 = 26,2306 × 3,912 = 2,34778 × 32 = 2,496
- Estimate the boxes in 3 moving trucks and say whether the exact number is more or less.
- Estimate the total cost of supplies and compare it with the 1,000 dollars to spend.
- Estimate the bags of dog food each store gets by rounding each factor.
- Find every two-digit number that could go in the box so rounding gives the estimate 2,400.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Estimating by rounding: the lesson ›More Chapter 4 worksheets: Multi-digit multiplication
- 4.1Times as many
- 4.2Multiplying and dividing by ten, one hundred and one thousand
- 4.3Multiplying by tens and hundreds
- 4.4Partial products
- 4.5Estimating by rounding
- 4.6Doubling, halving and quick products