Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 − 64 by rounding each number to the nearest 10: ______
- Estimate 72 − 87 by rounding each number to the nearest 10: ______
- Estimate 81 − 22 by rounding each number to the nearest 10: ______
- Estimate 37 + 37 by rounding each number to the nearest 10: ______
- Estimate 25 + 36 by rounding each number to the nearest 10: ______
- Estimate 38 + 53 by rounding each number to the nearest 10: ______
- Estimate 65 − 30 by rounding each number to the nearest 10: ______
- Estimate 24 + 88 by rounding each number to the nearest 10: ______
- Estimate 56 + 21 by rounding each number to the nearest 10: ______
- Estimate 24 − 86 by rounding each number to the nearest 10: ______
- Estimate 23 + 80 by rounding each number to the nearest 10: ______
- Estimate 32 + 59 by rounding each number to the nearest 10: ______
- Estimate 82 + 65 by rounding each number to the nearest 10: ______
- Estimate 86 − 54 by rounding each number to the nearest 10: ______
- Estimate 43 − 27 by rounding each number to the nearest 10: ______
- Estimate 32 − 69 by rounding each number to the nearest 10: ______
- Estimate 21 + 46 by rounding each number to the nearest 10: ______
- Estimate 85 + 69 by rounding each number to the nearest 10: ______
- Estimate 35 + 21 by rounding each number to the nearest 10: ______
- Estimate 37 + 38 by rounding each number to the nearest 10: ______