Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 + 46 by rounding each number to the nearest 10: ______
- Estimate 86 + 35 by rounding each number to the nearest 10: ______
- Estimate 78 + 88 by rounding each number to the nearest 10: ______
- Estimate 34 + 48 by rounding each number to the nearest 10: ______
- Estimate 28 + 61 by rounding each number to the nearest 10: ______
- Estimate 23 − 62 by rounding each number to the nearest 10: ______
- Estimate 75 − 57 by rounding each number to the nearest 10: ______
- Estimate 51 − 79 by rounding each number to the nearest 10: ______
- Estimate 61 + 39 by rounding each number to the nearest 10: ______
- Estimate 30 + 36 by rounding each number to the nearest 10: ______
- Estimate 31 − 38 by rounding each number to the nearest 10: ______
- Estimate 43 − 39 by rounding each number to the nearest 10: ______
- Estimate 73 + 66 by rounding each number to the nearest 10: ______
- Estimate 71 + 22 by rounding each number to the nearest 10: ______
- Estimate 24 + 71 by rounding each number to the nearest 10: ______
- Estimate 39 + 43 by rounding each number to the nearest 10: ______
- Estimate 41 + 29 by rounding each number to the nearest 10: ______
- Estimate 58 + 76 by rounding each number to the nearest 10: ______
- Estimate 31 − 47 by rounding each number to the nearest 10: ______
- Estimate 41 − 81 by rounding each number to the nearest 10: ______