Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 73 − 35 by rounding each number to the nearest 10: ______
- Estimate 48 + 39 by rounding each number to the nearest 10: ______
- Estimate 26 + 59 by rounding each number to the nearest 10: ______
- Estimate 77 + 66 by rounding each number to the nearest 10: ______
- Estimate 31 + 68 by rounding each number to the nearest 10: ______
- Estimate 66 + 89 by rounding each number to the nearest 10: ______
- Estimate 61 − 43 by rounding each number to the nearest 10: ______
- Estimate 26 − 59 by rounding each number to the nearest 10: ______
- Estimate 21 + 27 by rounding each number to the nearest 10: ______
- Estimate 66 − 33 by rounding each number to the nearest 10: ______
- Estimate 22 + 50 by rounding each number to the nearest 10: ______
- Estimate 66 − 81 by rounding each number to the nearest 10: ______
- Estimate 75 − 78 by rounding each number to the nearest 10: ______
- Estimate 27 + 64 by rounding each number to the nearest 10: ______
- Estimate 32 − 87 by rounding each number to the nearest 10: ______
- Estimate 63 + 76 by rounding each number to the nearest 10: ______
- Estimate 35 + 71 by rounding each number to the nearest 10: ______
- Estimate 55 + 36 by rounding each number to the nearest 10: ______
- Estimate 26 + 83 by rounding each number to the nearest 10: ______
- Estimate 40 − 59 by rounding each number to the nearest 10: ______