Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 51 by rounding each number to the nearest 10: ______
- Estimate 88 − 87 by rounding each number to the nearest 10: ______
- Estimate 78 − 26 by rounding each number to the nearest 10: ______
- Estimate 74 + 84 by rounding each number to the nearest 10: ______
- Estimate 71 + 21 by rounding each number to the nearest 10: ______
- Estimate 27 − 51 by rounding each number to the nearest 10: ______
- Estimate 25 + 47 by rounding each number to the nearest 10: ______
- Estimate 64 − 36 by rounding each number to the nearest 10: ______
- Estimate 40 − 40 by rounding each number to the nearest 10: ______
- Estimate 62 − 45 by rounding each number to the nearest 10: ______
- Estimate 36 + 70 by rounding each number to the nearest 10: ______
- Estimate 85 + 59 by rounding each number to the nearest 10: ______
- Estimate 54 − 49 by rounding each number to the nearest 10: ______
- Estimate 77 + 35 by rounding each number to the nearest 10: ______
- Estimate 69 − 80 by rounding each number to the nearest 10: ______
- Estimate 35 − 63 by rounding each number to the nearest 10: ______
- Estimate 28 − 66 by rounding each number to the nearest 10: ______
- Estimate 38 − 42 by rounding each number to the nearest 10: ______
- Estimate 26 + 38 by rounding each number to the nearest 10: ______
- Estimate 50 + 64 by rounding each number to the nearest 10: ______