Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 84 + 80 by rounding each number to the nearest 10: ______
- Estimate 78 − 30 by rounding each number to the nearest 10: ______
- Estimate 43 − 75 by rounding each number to the nearest 10: ______
- Estimate 61 + 79 by rounding each number to the nearest 10: ______
- Estimate 71 + 73 by rounding each number to the nearest 10: ______
- Estimate 82 − 29 by rounding each number to the nearest 10: ______
- Estimate 39 + 61 by rounding each number to the nearest 10: ______
- Estimate 44 − 56 by rounding each number to the nearest 10: ______
- Estimate 44 − 25 by rounding each number to the nearest 10: ______
- Estimate 21 + 54 by rounding each number to the nearest 10: ______
- Estimate 26 − 81 by rounding each number to the nearest 10: ______
- Estimate 23 − 57 by rounding each number to the nearest 10: ______
- Estimate 29 − 36 by rounding each number to the nearest 10: ______
- Estimate 85 + 28 by rounding each number to the nearest 10: ______
- Estimate 31 + 87 by rounding each number to the nearest 10: ______
- Estimate 62 + 36 by rounding each number to the nearest 10: ______
- Estimate 72 − 83 by rounding each number to the nearest 10: ______
- Estimate 51 − 79 by rounding each number to the nearest 10: ______
- Estimate 42 − 27 by rounding each number to the nearest 10: ______
- Estimate 41 + 81 by rounding each number to the nearest 10: ______