Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 88 − 40 by rounding each number to the nearest 10: ______
- Estimate 70 + 25 by rounding each number to the nearest 10: ______
- Estimate 62 − 21 by rounding each number to the nearest 10: ______
- Estimate 38 − 73 by rounding each number to the nearest 10: ______
- Estimate 62 + 34 by rounding each number to the nearest 10: ______
- Estimate 74 + 66 by rounding each number to the nearest 10: ______
- Estimate 23 − 46 by rounding each number to the nearest 10: ______
- Estimate 40 + 49 by rounding each number to the nearest 10: ______
- Estimate 64 − 78 by rounding each number to the nearest 10: ______
- Estimate 33 − 45 by rounding each number to the nearest 10: ______
- Estimate 26 − 64 by rounding each number to the nearest 10: ______
- Estimate 83 − 39 by rounding each number to the nearest 10: ______
- Estimate 61 + 80 by rounding each number to the nearest 10: ______
- Estimate 81 − 33 by rounding each number to the nearest 10: ______
- Estimate 22 − 27 by rounding each number to the nearest 10: ______
- Estimate 49 + 21 by rounding each number to the nearest 10: ______
- Estimate 89 + 25 by rounding each number to the nearest 10: ______
- Estimate 42 + 66 by rounding each number to the nearest 10: ______
- Estimate 89 − 87 by rounding each number to the nearest 10: ______
- Estimate 81 − 55 by rounding each number to the nearest 10: ______