Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 81 by rounding each number to the nearest 10: ______
- Estimate 72 + 38 by rounding each number to the nearest 10: ______
- Estimate 65 − 84 by rounding each number to the nearest 10: ______
- Estimate 71 − 60 by rounding each number to the nearest 10: ______
- Estimate 75 − 21 by rounding each number to the nearest 10: ______
- Estimate 36 − 32 by rounding each number to the nearest 10: ______
- Estimate 41 + 87 by rounding each number to the nearest 10: ______
- Estimate 37 + 53 by rounding each number to the nearest 10: ______
- Estimate 35 + 79 by rounding each number to the nearest 10: ______
- Estimate 25 + 78 by rounding each number to the nearest 10: ______
- Estimate 70 + 88 by rounding each number to the nearest 10: ______
- Estimate 77 − 53 by rounding each number to the nearest 10: ______
- Estimate 40 + 39 by rounding each number to the nearest 10: ______
- Estimate 74 + 89 by rounding each number to the nearest 10: ______
- Estimate 35 + 44 by rounding each number to the nearest 10: ______
- Estimate 67 − 40 by rounding each number to the nearest 10: ______
- Estimate 30 + 55 by rounding each number to the nearest 10: ______
- Estimate 35 + 48 by rounding each number to the nearest 10: ______
- Estimate 76 − 81 by rounding each number to the nearest 10: ______
- Estimate 21 + 87 by rounding each number to the nearest 10: ______