Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 26 by rounding each number to the nearest 10: ______
- Estimate 68 − 41 by rounding each number to the nearest 10: ______
- Estimate 61 − 51 by rounding each number to the nearest 10: ______
- Estimate 87 − 39 by rounding each number to the nearest 10: ______
- Estimate 34 − 64 by rounding each number to the nearest 10: ______
- Estimate 22 + 46 by rounding each number to the nearest 10: ______
- Estimate 50 − 43 by rounding each number to the nearest 10: ______
- Estimate 25 − 75 by rounding each number to the nearest 10: ______
- Estimate 81 − 34 by rounding each number to the nearest 10: ______
- Estimate 31 − 79 by rounding each number to the nearest 10: ______
- Estimate 22 + 53 by rounding each number to the nearest 10: ______
- Estimate 81 − 69 by rounding each number to the nearest 10: ______
- Estimate 29 − 66 by rounding each number to the nearest 10: ______
- Estimate 74 − 23 by rounding each number to the nearest 10: ______
- Estimate 70 + 48 by rounding each number to the nearest 10: ______
- Estimate 58 − 80 by rounding each number to the nearest 10: ______
- Estimate 60 − 21 by rounding each number to the nearest 10: ______
- Estimate 62 − 88 by rounding each number to the nearest 10: ______
- Estimate 66 − 49 by rounding each number to the nearest 10: ______
- Estimate 59 + 32 by rounding each number to the nearest 10: ______