Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 52 + 61 by rounding each number to the nearest 10: ______
- Estimate 38 − 27 by rounding each number to the nearest 10: ______
- Estimate 88 + 25 by rounding each number to the nearest 10: ______
- Estimate 81 − 86 by rounding each number to the nearest 10: ______
- Estimate 65 + 47 by rounding each number to the nearest 10: ______
- Estimate 34 − 26 by rounding each number to the nearest 10: ______
- Estimate 72 − 26 by rounding each number to the nearest 10: ______
- Estimate 44 + 75 by rounding each number to the nearest 10: ______
- Estimate 61 − 63 by rounding each number to the nearest 10: ______
- Estimate 55 − 59 by rounding each number to the nearest 10: ______
- Estimate 25 − 45 by rounding each number to the nearest 10: ______
- Estimate 66 + 30 by rounding each number to the nearest 10: ______
- Estimate 41 + 75 by rounding each number to the nearest 10: ______
- Estimate 54 + 49 by rounding each number to the nearest 10: ______
- Estimate 38 − 66 by rounding each number to the nearest 10: ______
- Estimate 37 + 89 by rounding each number to the nearest 10: ______
- Estimate 66 − 72 by rounding each number to the nearest 10: ______
- Estimate 30 − 35 by rounding each number to the nearest 10: ______
- Estimate 47 − 54 by rounding each number to the nearest 10: ______
- Estimate 26 − 63 by rounding each number to the nearest 10: ______