Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 70 by rounding each number to the nearest 10: ______
- Estimate 36 + 77 by rounding each number to the nearest 10: ______
- Estimate 26 + 81 by rounding each number to the nearest 10: ______
- Estimate 75 − 63 by rounding each number to the nearest 10: ______
- Estimate 57 − 27 by rounding each number to the nearest 10: ______
- Estimate 53 − 33 by rounding each number to the nearest 10: ______
- Estimate 40 + 21 by rounding each number to the nearest 10: ______
- Estimate 25 + 87 by rounding each number to the nearest 10: ______
- Estimate 79 − 59 by rounding each number to the nearest 10: ______
- Estimate 31 − 33 by rounding each number to the nearest 10: ______
- Estimate 70 + 83 by rounding each number to the nearest 10: ______
- Estimate 40 − 70 by rounding each number to the nearest 10: ______
- Estimate 43 + 46 by rounding each number to the nearest 10: ______
- Estimate 89 + 59 by rounding each number to the nearest 10: ______
- Estimate 40 − 30 by rounding each number to the nearest 10: ______
- Estimate 85 + 38 by rounding each number to the nearest 10: ______
- Estimate 55 − 37 by rounding each number to the nearest 10: ______
- Estimate 46 − 82 by rounding each number to the nearest 10: ______
- Estimate 77 − 82 by rounding each number to the nearest 10: ______
- Estimate 36 + 73 by rounding each number to the nearest 10: ______