Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 − 82 by rounding each number to the nearest 10: ______
- Estimate 49 + 50 by rounding each number to the nearest 10: ______
- Estimate 40 + 83 by rounding each number to the nearest 10: ______
- Estimate 29 − 83 by rounding each number to the nearest 10: ______
- Estimate 80 − 56 by rounding each number to the nearest 10: ______
- Estimate 27 − 25 by rounding each number to the nearest 10: ______
- Estimate 39 + 43 by rounding each number to the nearest 10: ______
- Estimate 70 + 61 by rounding each number to the nearest 10: ______
- Estimate 36 − 38 by rounding each number to the nearest 10: ______
- Estimate 81 − 45 by rounding each number to the nearest 10: ______
- Estimate 30 − 79 by rounding each number to the nearest 10: ______
- Estimate 51 − 74 by rounding each number to the nearest 10: ______
- Estimate 49 − 40 by rounding each number to the nearest 10: ______
- Estimate 69 + 59 by rounding each number to the nearest 10: ______
- Estimate 21 − 76 by rounding each number to the nearest 10: ______
- Estimate 56 + 73 by rounding each number to the nearest 10: ______
- Estimate 50 − 63 by rounding each number to the nearest 10: ______
- Estimate 70 + 31 by rounding each number to the nearest 10: ______
- Estimate 78 + 33 by rounding each number to the nearest 10: ______
- Estimate 33 − 63 by rounding each number to the nearest 10: ______