Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 59 by rounding each number to the nearest 10: ______
- Estimate 40 − 55 by rounding each number to the nearest 10: ______
- Estimate 87 − 46 by rounding each number to the nearest 10: ______
- Estimate 48 + 33 by rounding each number to the nearest 10: ______
- Estimate 27 + 24 by rounding each number to the nearest 10: ______
- Estimate 51 + 36 by rounding each number to the nearest 10: ______
- Estimate 85 + 29 by rounding each number to the nearest 10: ______
- Estimate 71 − 55 by rounding each number to the nearest 10: ______
- Estimate 74 − 45 by rounding each number to the nearest 10: ______
- Estimate 34 − 59 by rounding each number to the nearest 10: ______
- Estimate 43 + 66 by rounding each number to the nearest 10: ______
- Estimate 68 + 45 by rounding each number to the nearest 10: ______
- Estimate 83 − 39 by rounding each number to the nearest 10: ______
- Estimate 30 − 73 by rounding each number to the nearest 10: ______
- Estimate 39 − 27 by rounding each number to the nearest 10: ______
- Estimate 56 + 48 by rounding each number to the nearest 10: ______
- Estimate 79 − 84 by rounding each number to the nearest 10: ______
- Estimate 41 + 69 by rounding each number to the nearest 10: ______
- Estimate 49 − 89 by rounding each number to the nearest 10: ______
- Estimate 77 + 50 by rounding each number to the nearest 10: ______