Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 73 by rounding each number to the nearest 10: ______
- Estimate 64 + 25 by rounding each number to the nearest 10: ______
- Estimate 62 − 75 by rounding each number to the nearest 10: ______
- Estimate 75 + 31 by rounding each number to the nearest 10: ______
- Estimate 58 + 40 by rounding each number to the nearest 10: ______
- Estimate 65 − 73 by rounding each number to the nearest 10: ______
- Estimate 45 − 37 by rounding each number to the nearest 10: ______
- Estimate 30 − 55 by rounding each number to the nearest 10: ______
- Estimate 29 − 26 by rounding each number to the nearest 10: ______
- Estimate 58 − 71 by rounding each number to the nearest 10: ______
- Estimate 73 + 78 by rounding each number to the nearest 10: ______
- Estimate 33 + 27 by rounding each number to the nearest 10: ______
- Estimate 22 − 30 by rounding each number to the nearest 10: ______
- Estimate 78 + 39 by rounding each number to the nearest 10: ______
- Estimate 21 − 57 by rounding each number to the nearest 10: ______
- Estimate 80 − 67 by rounding each number to the nearest 10: ______
- Estimate 66 + 31 by rounding each number to the nearest 10: ______
- Estimate 53 − 39 by rounding each number to the nearest 10: ______
- Estimate 56 + 53 by rounding each number to the nearest 10: ______
- Estimate 36 + 57 by rounding each number to the nearest 10: ______