Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 60 by rounding each number to the nearest 10: ______
- Estimate 46 − 87 by rounding each number to the nearest 10: ______
- Estimate 51 + 57 by rounding each number to the nearest 10: ______
- Estimate 77 − 56 by rounding each number to the nearest 10: ______
- Estimate 77 − 21 by rounding each number to the nearest 10: ______
- Estimate 81 + 83 by rounding each number to the nearest 10: ______
- Estimate 59 − 68 by rounding each number to the nearest 10: ______
- Estimate 79 + 56 by rounding each number to the nearest 10: ______
- Estimate 62 + 58 by rounding each number to the nearest 10: ______
- Estimate 33 − 75 by rounding each number to the nearest 10: ______
- Estimate 30 + 81 by rounding each number to the nearest 10: ______
- Estimate 21 − 87 by rounding each number to the nearest 10: ______
- Estimate 27 + 82 by rounding each number to the nearest 10: ______
- Estimate 26 − 68 by rounding each number to the nearest 10: ______
- Estimate 85 − 33 by rounding each number to the nearest 10: ______
- Estimate 53 − 35 by rounding each number to the nearest 10: ______
- Estimate 70 − 72 by rounding each number to the nearest 10: ______
- Estimate 28 + 65 by rounding each number to the nearest 10: ______
- Estimate 88 + 38 by rounding each number to the nearest 10: ______
- Estimate 86 − 89 by rounding each number to the nearest 10: ______