Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 + 45 by rounding each number to the nearest 10: ______
- Estimate 22 − 72 by rounding each number to the nearest 10: ______
- Estimate 59 − 44 by rounding each number to the nearest 10: ______
- Estimate 75 − 49 by rounding each number to the nearest 10: ______
- Estimate 56 + 51 by rounding each number to the nearest 10: ______
- Estimate 41 + 88 by rounding each number to the nearest 10: ______
- Estimate 67 + 36 by rounding each number to the nearest 10: ______
- Estimate 62 − 63 by rounding each number to the nearest 10: ______
- Estimate 57 − 72 by rounding each number to the nearest 10: ______
- Estimate 50 + 83 by rounding each number to the nearest 10: ______
- Estimate 63 − 59 by rounding each number to the nearest 10: ______
- Estimate 22 + 26 by rounding each number to the nearest 10: ______
- Estimate 50 − 34 by rounding each number to the nearest 10: ______
- Estimate 80 − 34 by rounding each number to the nearest 10: ______
- Estimate 51 + 82 by rounding each number to the nearest 10: ______
- Estimate 24 + 66 by rounding each number to the nearest 10: ______
- Estimate 54 + 72 by rounding each number to the nearest 10: ______
- Estimate 33 − 30 by rounding each number to the nearest 10: ______
- Estimate 30 − 30 by rounding each number to the nearest 10: ______
- Estimate 58 − 31 by rounding each number to the nearest 10: ______