Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 + 63 by rounding each number to the nearest 10: ______
- Estimate 68 + 66 by rounding each number to the nearest 10: ______
- Estimate 75 − 77 by rounding each number to the nearest 10: ______
- Estimate 53 + 50 by rounding each number to the nearest 10: ______
- Estimate 29 + 56 by rounding each number to the nearest 10: ______
- Estimate 39 − 81 by rounding each number to the nearest 10: ______
- Estimate 52 − 39 by rounding each number to the nearest 10: ______
- Estimate 22 + 41 by rounding each number to the nearest 10: ______
- Estimate 47 + 83 by rounding each number to the nearest 10: ______
- Estimate 71 + 77 by rounding each number to the nearest 10: ______
- Estimate 61 − 38 by rounding each number to the nearest 10: ______
- Estimate 81 − 76 by rounding each number to the nearest 10: ______
- Estimate 46 − 55 by rounding each number to the nearest 10: ______
- Estimate 43 + 82 by rounding each number to the nearest 10: ______
- Estimate 21 − 58 by rounding each number to the nearest 10: ______
- Estimate 57 − 35 by rounding each number to the nearest 10: ______
- Estimate 43 + 51 by rounding each number to the nearest 10: ______
- Estimate 30 + 46 by rounding each number to the nearest 10: ______
- Estimate 29 − 32 by rounding each number to the nearest 10: ______
- Estimate 62 − 36 by rounding each number to the nearest 10: ______