Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 57 by rounding each number to the nearest 10: ______
- Estimate 77 − 86 by rounding each number to the nearest 10: ______
- Estimate 44 + 25 by rounding each number to the nearest 10: ______
- Estimate 43 − 62 by rounding each number to the nearest 10: ______
- Estimate 51 + 26 by rounding each number to the nearest 10: ______
- Estimate 87 − 44 by rounding each number to the nearest 10: ______
- Estimate 57 + 72 by rounding each number to the nearest 10: ______
- Estimate 61 + 66 by rounding each number to the nearest 10: ______
- Estimate 40 − 38 by rounding each number to the nearest 10: ______
- Estimate 36 + 24 by rounding each number to the nearest 10: ______
- Estimate 60 + 32 by rounding each number to the nearest 10: ______
- Estimate 54 − 33 by rounding each number to the nearest 10: ______
- Estimate 37 − 81 by rounding each number to the nearest 10: ______
- Estimate 61 + 25 by rounding each number to the nearest 10: ______
- Estimate 45 + 31 by rounding each number to the nearest 10: ______
- Estimate 27 + 22 by rounding each number to the nearest 10: ______
- Estimate 72 − 28 by rounding each number to the nearest 10: ______
- Estimate 84 + 31 by rounding each number to the nearest 10: ______
- Estimate 76 − 66 by rounding each number to the nearest 10: ______
- Estimate 73 − 27 by rounding each number to the nearest 10: ______