Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 66 + 55 by rounding each number to the nearest 10: ______
- Estimate 86 + 67 by rounding each number to the nearest 10: ______
- Estimate 55 − 27 by rounding each number to the nearest 10: ______
- Estimate 21 + 37 by rounding each number to the nearest 10: ______
- Estimate 39 − 34 by rounding each number to the nearest 10: ______
- Estimate 49 + 49 by rounding each number to the nearest 10: ______
- Estimate 21 − 69 by rounding each number to the nearest 10: ______
- Estimate 74 + 62 by rounding each number to the nearest 10: ______
- Estimate 89 − 76 by rounding each number to the nearest 10: ______
- Estimate 76 − 45 by rounding each number to the nearest 10: ______
- Estimate 84 − 29 by rounding each number to the nearest 10: ______
- Estimate 30 + 86 by rounding each number to the nearest 10: ______
- Estimate 42 − 64 by rounding each number to the nearest 10: ______
- Estimate 77 − 40 by rounding each number to the nearest 10: ______
- Estimate 61 − 45 by rounding each number to the nearest 10: ______
- Estimate 46 − 29 by rounding each number to the nearest 10: ______
- Estimate 44 + 40 by rounding each number to the nearest 10: ______
- Estimate 35 − 33 by rounding each number to the nearest 10: ______
- Estimate 46 − 24 by rounding each number to the nearest 10: ______
- Estimate 66 + 80 by rounding each number to the nearest 10: ______