Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 85 by rounding each number to the nearest 10: ______
- Estimate 52 − 71 by rounding each number to the nearest 10: ______
- Estimate 62 − 72 by rounding each number to the nearest 10: ______
- Estimate 87 + 50 by rounding each number to the nearest 10: ______
- Estimate 68 + 63 by rounding each number to the nearest 10: ______
- Estimate 79 + 59 by rounding each number to the nearest 10: ______
- Estimate 21 + 73 by rounding each number to the nearest 10: ______
- Estimate 39 + 27 by rounding each number to the nearest 10: ______
- Estimate 29 + 76 by rounding each number to the nearest 10: ______
- Estimate 87 + 59 by rounding each number to the nearest 10: ______
- Estimate 61 − 65 by rounding each number to the nearest 10: ______
- Estimate 79 + 65 by rounding each number to the nearest 10: ______
- Estimate 86 + 63 by rounding each number to the nearest 10: ______
- Estimate 51 − 85 by rounding each number to the nearest 10: ______
- Estimate 23 + 43 by rounding each number to the nearest 10: ______
- Estimate 85 − 25 by rounding each number to the nearest 10: ______
- Estimate 21 − 39 by rounding each number to the nearest 10: ______
- Estimate 44 + 76 by rounding each number to the nearest 10: ______
- Estimate 27 − 48 by rounding each number to the nearest 10: ______
- Estimate 57 + 43 by rounding each number to the nearest 10: ______