Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 + 56 by rounding each number to the nearest 10: ______
- Estimate 87 − 50 by rounding each number to the nearest 10: ______
- Estimate 65 − 77 by rounding each number to the nearest 10: ______
- Estimate 66 − 27 by rounding each number to the nearest 10: ______
- Estimate 31 + 80 by rounding each number to the nearest 10: ______
- Estimate 46 − 87 by rounding each number to the nearest 10: ______
- Estimate 72 − 84 by rounding each number to the nearest 10: ______
- Estimate 75 + 60 by rounding each number to the nearest 10: ______
- Estimate 81 + 62 by rounding each number to the nearest 10: ______
- Estimate 57 + 87 by rounding each number to the nearest 10: ______
- Estimate 74 − 39 by rounding each number to the nearest 10: ______
- Estimate 72 + 68 by rounding each number to the nearest 10: ______
- Estimate 84 − 44 by rounding each number to the nearest 10: ______
- Estimate 66 + 35 by rounding each number to the nearest 10: ______
- Estimate 23 + 42 by rounding each number to the nearest 10: ______
- Estimate 70 − 87 by rounding each number to the nearest 10: ______
- Estimate 76 + 46 by rounding each number to the nearest 10: ______
- Estimate 65 − 23 by rounding each number to the nearest 10: ______
- Estimate 33 − 38 by rounding each number to the nearest 10: ______
- Estimate 35 + 68 by rounding each number to the nearest 10: ______