Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 22 by rounding each number to the nearest 10: ______
- Estimate 51 − 80 by rounding each number to the nearest 10: ______
- Estimate 40 − 60 by rounding each number to the nearest 10: ______
- Estimate 53 − 40 by rounding each number to the nearest 10: ______
- Estimate 76 − 50 by rounding each number to the nearest 10: ______
- Estimate 38 − 71 by rounding each number to the nearest 10: ______
- Estimate 48 + 34 by rounding each number to the nearest 10: ______
- Estimate 47 + 76 by rounding each number to the nearest 10: ______
- Estimate 41 + 65 by rounding each number to the nearest 10: ______
- Estimate 69 + 55 by rounding each number to the nearest 10: ______
- Estimate 88 − 61 by rounding each number to the nearest 10: ______
- Estimate 77 + 21 by rounding each number to the nearest 10: ______
- Estimate 65 − 60 by rounding each number to the nearest 10: ______
- Estimate 44 + 29 by rounding each number to the nearest 10: ______
- Estimate 82 − 35 by rounding each number to the nearest 10: ______
- Estimate 57 + 74 by rounding each number to the nearest 10: ______
- Estimate 30 − 36 by rounding each number to the nearest 10: ______
- Estimate 81 − 55 by rounding each number to the nearest 10: ______
- Estimate 71 − 22 by rounding each number to the nearest 10: ______
- Estimate 72 − 86 by rounding each number to the nearest 10: ______