Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 − 89 by rounding each number to the nearest 10: ______
- Estimate 60 + 77 by rounding each number to the nearest 10: ______
- Estimate 53 + 75 by rounding each number to the nearest 10: ______
- Estimate 39 − 51 by rounding each number to the nearest 10: ______
- Estimate 29 + 41 by rounding each number to the nearest 10: ______
- Estimate 57 + 88 by rounding each number to the nearest 10: ______
- Estimate 22 + 57 by rounding each number to the nearest 10: ______
- Estimate 52 − 27 by rounding each number to the nearest 10: ______
- Estimate 72 + 21 by rounding each number to the nearest 10: ______
- Estimate 44 − 61 by rounding each number to the nearest 10: ______
- Estimate 87 − 61 by rounding each number to the nearest 10: ______
- Estimate 29 − 33 by rounding each number to the nearest 10: ______
- Estimate 29 + 33 by rounding each number to the nearest 10: ______
- Estimate 78 − 64 by rounding each number to the nearest 10: ______
- Estimate 25 − 41 by rounding each number to the nearest 10: ______
- Estimate 50 − 22 by rounding each number to the nearest 10: ______
- Estimate 50 − 42 by rounding each number to the nearest 10: ______
- Estimate 82 + 87 by rounding each number to the nearest 10: ______
- Estimate 81 + 30 by rounding each number to the nearest 10: ______
- Estimate 82 − 77 by rounding each number to the nearest 10: ______