Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 64 by rounding each number to the nearest 10: ______
- Estimate 88 + 88 by rounding each number to the nearest 10: ______
- Estimate 33 − 86 by rounding each number to the nearest 10: ______
- Estimate 40 − 27 by rounding each number to the nearest 10: ______
- Estimate 63 − 23 by rounding each number to the nearest 10: ______
- Estimate 55 − 43 by rounding each number to the nearest 10: ______
- Estimate 70 − 31 by rounding each number to the nearest 10: ______
- Estimate 71 − 57 by rounding each number to the nearest 10: ______
- Estimate 28 + 67 by rounding each number to the nearest 10: ______
- Estimate 40 + 31 by rounding each number to the nearest 10: ______
- Estimate 30 − 63 by rounding each number to the nearest 10: ______
- Estimate 22 + 35 by rounding each number to the nearest 10: ______
- Estimate 26 − 35 by rounding each number to the nearest 10: ______
- Estimate 88 + 85 by rounding each number to the nearest 10: ______
- Estimate 54 − 32 by rounding each number to the nearest 10: ______
- Estimate 28 − 41 by rounding each number to the nearest 10: ______
- Estimate 77 − 68 by rounding each number to the nearest 10: ______
- Estimate 79 − 28 by rounding each number to the nearest 10: ______
- Estimate 48 − 42 by rounding each number to the nearest 10: ______
- Estimate 86 − 49 by rounding each number to the nearest 10: ______