Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 88 by rounding each number to the nearest 10: ______
- Estimate 86 + 75 by rounding each number to the nearest 10: ______
- Estimate 55 − 39 by rounding each number to the nearest 10: ______
- Estimate 29 − 65 by rounding each number to the nearest 10: ______
- Estimate 38 − 47 by rounding each number to the nearest 10: ______
- Estimate 35 + 59 by rounding each number to the nearest 10: ______
- Estimate 76 − 35 by rounding each number to the nearest 10: ______
- Estimate 83 − 28 by rounding each number to the nearest 10: ______
- Estimate 29 + 66 by rounding each number to the nearest 10: ______
- Estimate 31 + 33 by rounding each number to the nearest 10: ______
- Estimate 41 + 86 by rounding each number to the nearest 10: ______
- Estimate 71 − 56 by rounding each number to the nearest 10: ______
- Estimate 86 − 23 by rounding each number to the nearest 10: ______
- Estimate 37 − 67 by rounding each number to the nearest 10: ______
- Estimate 76 + 40 by rounding each number to the nearest 10: ______
- Estimate 52 + 21 by rounding each number to the nearest 10: ______
- Estimate 84 + 31 by rounding each number to the nearest 10: ______
- Estimate 86 − 41 by rounding each number to the nearest 10: ______
- Estimate 35 + 62 by rounding each number to the nearest 10: ______
- Estimate 79 − 63 by rounding each number to the nearest 10: ______