Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 − 27 by rounding each number to the nearest 10: ______
- Estimate 86 + 47 by rounding each number to the nearest 10: ______
- Estimate 86 + 85 by rounding each number to the nearest 10: ______
- Estimate 46 + 36 by rounding each number to the nearest 10: ______
- Estimate 89 − 41 by rounding each number to the nearest 10: ______
- Estimate 81 − 35 by rounding each number to the nearest 10: ______
- Estimate 75 − 36 by rounding each number to the nearest 10: ______
- Estimate 79 − 69 by rounding each number to the nearest 10: ______
- Estimate 30 + 63 by rounding each number to the nearest 10: ______
- Estimate 34 − 60 by rounding each number to the nearest 10: ______
- Estimate 76 + 80 by rounding each number to the nearest 10: ______
- Estimate 35 − 49 by rounding each number to the nearest 10: ______
- Estimate 87 + 84 by rounding each number to the nearest 10: ______
- Estimate 26 − 30 by rounding each number to the nearest 10: ______
- Estimate 48 + 59 by rounding each number to the nearest 10: ______
- Estimate 39 + 23 by rounding each number to the nearest 10: ______
- Estimate 85 − 44 by rounding each number to the nearest 10: ______
- Estimate 34 + 75 by rounding each number to the nearest 10: ______
- Estimate 52 − 84 by rounding each number to the nearest 10: ______
- Estimate 58 − 72 by rounding each number to the nearest 10: ______