Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 88 + 38 by rounding each number to the nearest 10: ______
- Estimate 33 + 72 by rounding each number to the nearest 10: ______
- Estimate 86 − 36 by rounding each number to the nearest 10: ______
- Estimate 30 − 71 by rounding each number to the nearest 10: ______
- Estimate 47 + 62 by rounding each number to the nearest 10: ______
- Estimate 21 − 85 by rounding each number to the nearest 10: ______
- Estimate 60 + 51 by rounding each number to the nearest 10: ______
- Estimate 72 − 32 by rounding each number to the nearest 10: ______
- Estimate 65 − 89 by rounding each number to the nearest 10: ______
- Estimate 68 + 54 by rounding each number to the nearest 10: ______
- Estimate 74 − 40 by rounding each number to the nearest 10: ______
- Estimate 64 − 69 by rounding each number to the nearest 10: ______
- Estimate 57 − 32 by rounding each number to the nearest 10: ______
- Estimate 81 + 52 by rounding each number to the nearest 10: ______
- Estimate 25 + 29 by rounding each number to the nearest 10: ______
- Estimate 51 − 37 by rounding each number to the nearest 10: ______
- Estimate 41 − 63 by rounding each number to the nearest 10: ______
- Estimate 29 + 31 by rounding each number to the nearest 10: ______
- Estimate 36 + 50 by rounding each number to the nearest 10: ______
- Estimate 89 + 55 by rounding each number to the nearest 10: ______