Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 57 by rounding each number to the nearest 10: ______
- Estimate 66 − 36 by rounding each number to the nearest 10: ______
- Estimate 49 + 60 by rounding each number to the nearest 10: ______
- Estimate 46 − 41 by rounding each number to the nearest 10: ______
- Estimate 88 − 25 by rounding each number to the nearest 10: ______
- Estimate 42 − 50 by rounding each number to the nearest 10: ______
- Estimate 85 − 72 by rounding each number to the nearest 10: ______
- Estimate 22 + 85 by rounding each number to the nearest 10: ______
- Estimate 59 − 36 by rounding each number to the nearest 10: ______
- Estimate 86 + 36 by rounding each number to the nearest 10: ______
- Estimate 43 − 75 by rounding each number to the nearest 10: ______
- Estimate 33 − 47 by rounding each number to the nearest 10: ______
- Estimate 61 + 75 by rounding each number to the nearest 10: ______
- Estimate 52 − 74 by rounding each number to the nearest 10: ______
- Estimate 68 + 29 by rounding each number to the nearest 10: ______
- Estimate 41 − 89 by rounding each number to the nearest 10: ______
- Estimate 44 + 49 by rounding each number to the nearest 10: ______
- Estimate 77 − 31 by rounding each number to the nearest 10: ______
- Estimate 39 − 28 by rounding each number to the nearest 10: ______
- Estimate 67 + 40 by rounding each number to the nearest 10: ______