Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 38 by rounding each number to the nearest 10: ______
- Estimate 68 + 87 by rounding each number to the nearest 10: ______
- Estimate 87 − 79 by rounding each number to the nearest 10: ______
- Estimate 71 − 39 by rounding each number to the nearest 10: ______
- Estimate 28 + 61 by rounding each number to the nearest 10: ______
- Estimate 44 − 60 by rounding each number to the nearest 10: ______
- Estimate 42 − 24 by rounding each number to the nearest 10: ______
- Estimate 83 + 22 by rounding each number to the nearest 10: ______
- Estimate 42 − 64 by rounding each number to the nearest 10: ______
- Estimate 78 − 86 by rounding each number to the nearest 10: ______
- Estimate 57 − 21 by rounding each number to the nearest 10: ______
- Estimate 36 + 86 by rounding each number to the nearest 10: ______
- Estimate 80 − 42 by rounding each number to the nearest 10: ______
- Estimate 38 − 82 by rounding each number to the nearest 10: ______
- Estimate 42 + 82 by rounding each number to the nearest 10: ______
- Estimate 65 − 44 by rounding each number to the nearest 10: ______
- Estimate 27 + 33 by rounding each number to the nearest 10: ______
- Estimate 77 − 86 by rounding each number to the nearest 10: ______
- Estimate 84 + 27 by rounding each number to the nearest 10: ______
- Estimate 25 − 33 by rounding each number to the nearest 10: ______