Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 − 68 by rounding each number to the nearest 10: ______
- Estimate 27 + 57 by rounding each number to the nearest 10: ______
- Estimate 72 + 62 by rounding each number to the nearest 10: ______
- Estimate 83 − 58 by rounding each number to the nearest 10: ______
- Estimate 72 − 26 by rounding each number to the nearest 10: ______
- Estimate 61 + 61 by rounding each number to the nearest 10: ______
- Estimate 49 + 21 by rounding each number to the nearest 10: ______
- Estimate 83 + 75 by rounding each number to the nearest 10: ______
- Estimate 24 + 74 by rounding each number to the nearest 10: ______
- Estimate 49 + 42 by rounding each number to the nearest 10: ______
- Estimate 60 + 81 by rounding each number to the nearest 10: ______
- Estimate 30 − 21 by rounding each number to the nearest 10: ______
- Estimate 24 − 50 by rounding each number to the nearest 10: ______
- Estimate 32 + 88 by rounding each number to the nearest 10: ______
- Estimate 79 + 63 by rounding each number to the nearest 10: ______
- Estimate 33 − 28 by rounding each number to the nearest 10: ______
- Estimate 40 + 89 by rounding each number to the nearest 10: ______
- Estimate 40 − 49 by rounding each number to the nearest 10: ______
- Estimate 33 + 22 by rounding each number to the nearest 10: ______
- Estimate 30 − 66 by rounding each number to the nearest 10: ______