Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 66 + 63 by rounding each number to the nearest 10: ______
- Estimate 88 − 89 by rounding each number to the nearest 10: ______
- Estimate 64 − 29 by rounding each number to the nearest 10: ______
- Estimate 23 + 54 by rounding each number to the nearest 10: ______
- Estimate 64 + 41 by rounding each number to the nearest 10: ______
- Estimate 89 − 83 by rounding each number to the nearest 10: ______
- Estimate 31 + 78 by rounding each number to the nearest 10: ______
- Estimate 49 + 42 by rounding each number to the nearest 10: ______
- Estimate 55 + 68 by rounding each number to the nearest 10: ______
- Estimate 25 − 48 by rounding each number to the nearest 10: ______
- Estimate 81 + 77 by rounding each number to the nearest 10: ______
- Estimate 40 + 25 by rounding each number to the nearest 10: ______
- Estimate 24 − 74 by rounding each number to the nearest 10: ______
- Estimate 46 − 35 by rounding each number to the nearest 10: ______
- Estimate 75 + 60 by rounding each number to the nearest 10: ______
- Estimate 77 + 84 by rounding each number to the nearest 10: ______
- Estimate 50 − 74 by rounding each number to the nearest 10: ______
- Estimate 72 + 35 by rounding each number to the nearest 10: ______
- Estimate 64 − 58 by rounding each number to the nearest 10: ______
- Estimate 74 − 37 by rounding each number to the nearest 10: ______