Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 49 by rounding each number to the nearest 10: ______
- Estimate 89 + 53 by rounding each number to the nearest 10: ______
- Estimate 87 − 87 by rounding each number to the nearest 10: ______
- Estimate 83 + 49 by rounding each number to the nearest 10: ______
- Estimate 81 + 42 by rounding each number to the nearest 10: ______
- Estimate 27 − 76 by rounding each number to the nearest 10: ______
- Estimate 72 + 51 by rounding each number to the nearest 10: ______
- Estimate 53 − 27 by rounding each number to the nearest 10: ______
- Estimate 62 + 64 by rounding each number to the nearest 10: ______
- Estimate 33 − 79 by rounding each number to the nearest 10: ______
- Estimate 80 − 66 by rounding each number to the nearest 10: ______
- Estimate 61 + 89 by rounding each number to the nearest 10: ______
- Estimate 85 + 38 by rounding each number to the nearest 10: ______
- Estimate 77 + 48 by rounding each number to the nearest 10: ______
- Estimate 46 − 23 by rounding each number to the nearest 10: ______
- Estimate 44 − 88 by rounding each number to the nearest 10: ______
- Estimate 72 − 34 by rounding each number to the nearest 10: ______
- Estimate 74 + 30 by rounding each number to the nearest 10: ______
- Estimate 30 − 21 by rounding each number to the nearest 10: ______
- Estimate 64 − 74 by rounding each number to the nearest 10: ______