Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 − 51 by rounding each number to the nearest 10: ______
- Estimate 40 + 66 by rounding each number to the nearest 10: ______
- Estimate 80 + 24 by rounding each number to the nearest 10: ______
- Estimate 63 + 49 by rounding each number to the nearest 10: ______
- Estimate 88 + 82 by rounding each number to the nearest 10: ______
- Estimate 26 + 40 by rounding each number to the nearest 10: ______
- Estimate 47 − 78 by rounding each number to the nearest 10: ______
- Estimate 25 − 49 by rounding each number to the nearest 10: ______
- Estimate 48 + 36 by rounding each number to the nearest 10: ______
- Estimate 50 + 57 by rounding each number to the nearest 10: ______
- Estimate 46 − 58 by rounding each number to the nearest 10: ______
- Estimate 64 + 89 by rounding each number to the nearest 10: ______
- Estimate 43 + 21 by rounding each number to the nearest 10: ______
- Estimate 27 − 36 by rounding each number to the nearest 10: ______
- Estimate 64 − 73 by rounding each number to the nearest 10: ______
- Estimate 84 − 42 by rounding each number to the nearest 10: ______
- Estimate 29 − 69 by rounding each number to the nearest 10: ______
- Estimate 74 − 51 by rounding each number to the nearest 10: ______
- Estimate 41 − 49 by rounding each number to the nearest 10: ______
- Estimate 49 − 63 by rounding each number to the nearest 10: ______