Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 36 by rounding each number to the nearest 10: ______
- Estimate 42 − 89 by rounding each number to the nearest 10: ______
- Estimate 76 + 67 by rounding each number to the nearest 10: ______
- Estimate 48 + 27 by rounding each number to the nearest 10: ______
- Estimate 88 + 29 by rounding each number to the nearest 10: ______
- Estimate 37 − 39 by rounding each number to the nearest 10: ______
- Estimate 89 − 54 by rounding each number to the nearest 10: ______
- Estimate 47 + 30 by rounding each number to the nearest 10: ______
- Estimate 75 + 77 by rounding each number to the nearest 10: ______
- Estimate 85 − 41 by rounding each number to the nearest 10: ______
- Estimate 75 + 84 by rounding each number to the nearest 10: ______
- Estimate 24 + 57 by rounding each number to the nearest 10: ______
- Estimate 43 − 36 by rounding each number to the nearest 10: ______
- Estimate 28 + 44 by rounding each number to the nearest 10: ______
- Estimate 41 − 72 by rounding each number to the nearest 10: ______
- Estimate 77 − 37 by rounding each number to the nearest 10: ______
- Estimate 57 + 48 by rounding each number to the nearest 10: ______
- Estimate 80 + 27 by rounding each number to the nearest 10: ______
- Estimate 84 + 85 by rounding each number to the nearest 10: ______
- Estimate 76 − 71 by rounding each number to the nearest 10: ______