Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 84 + 65 by rounding each number to the nearest 10: ______
- Estimate 63 + 34 by rounding each number to the nearest 10: ______
- Estimate 48 − 66 by rounding each number to the nearest 10: ______
- Estimate 81 − 42 by rounding each number to the nearest 10: ______
- Estimate 75 + 79 by rounding each number to the nearest 10: ______
- Estimate 29 + 23 by rounding each number to the nearest 10: ______
- Estimate 84 − 55 by rounding each number to the nearest 10: ______
- Estimate 26 + 89 by rounding each number to the nearest 10: ______
- Estimate 36 + 38 by rounding each number to the nearest 10: ______
- Estimate 64 + 89 by rounding each number to the nearest 10: ______
- Estimate 26 + 41 by rounding each number to the nearest 10: ______
- Estimate 27 − 21 by rounding each number to the nearest 10: ______
- Estimate 23 − 42 by rounding each number to the nearest 10: ______
- Estimate 75 + 62 by rounding each number to the nearest 10: ______
- Estimate 54 + 59 by rounding each number to the nearest 10: ______
- Estimate 76 + 69 by rounding each number to the nearest 10: ______
- Estimate 82 − 80 by rounding each number to the nearest 10: ______
- Estimate 85 + 37 by rounding each number to the nearest 10: ______
- Estimate 65 − 80 by rounding each number to the nearest 10: ______
- Estimate 82 − 72 by rounding each number to the nearest 10: ______