Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 − 44 by rounding each number to the nearest 10: ______
- Estimate 50 − 30 by rounding each number to the nearest 10: ______
- Estimate 77 + 41 by rounding each number to the nearest 10: ______
- Estimate 25 − 85 by rounding each number to the nearest 10: ______
- Estimate 65 − 43 by rounding each number to the nearest 10: ______
- Estimate 27 + 29 by rounding each number to the nearest 10: ______
- Estimate 73 + 48 by rounding each number to the nearest 10: ______
- Estimate 49 + 39 by rounding each number to the nearest 10: ______
- Estimate 69 − 30 by rounding each number to the nearest 10: ______
- Estimate 51 + 28 by rounding each number to the nearest 10: ______
- Estimate 87 − 48 by rounding each number to the nearest 10: ______
- Estimate 39 + 28 by rounding each number to the nearest 10: ______
- Estimate 75 − 74 by rounding each number to the nearest 10: ______
- Estimate 84 − 79 by rounding each number to the nearest 10: ______
- Estimate 68 − 81 by rounding each number to the nearest 10: ______
- Estimate 51 − 62 by rounding each number to the nearest 10: ______
- Estimate 89 − 76 by rounding each number to the nearest 10: ______
- Estimate 81 − 73 by rounding each number to the nearest 10: ______
- Estimate 43 − 42 by rounding each number to the nearest 10: ______
- Estimate 83 − 63 by rounding each number to the nearest 10: ______