Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 84 by rounding each number to the nearest 10: ______
- Estimate 72 + 53 by rounding each number to the nearest 10: ______
- Estimate 43 − 27 by rounding each number to the nearest 10: ______
- Estimate 54 + 83 by rounding each number to the nearest 10: ______
- Estimate 39 − 62 by rounding each number to the nearest 10: ______
- Estimate 28 − 41 by rounding each number to the nearest 10: ______
- Estimate 27 − 58 by rounding each number to the nearest 10: ______
- Estimate 65 + 24 by rounding each number to the nearest 10: ______
- Estimate 32 − 66 by rounding each number to the nearest 10: ______
- Estimate 35 + 50 by rounding each number to the nearest 10: ______
- Estimate 62 + 42 by rounding each number to the nearest 10: ______
- Estimate 22 − 86 by rounding each number to the nearest 10: ______
- Estimate 21 − 21 by rounding each number to the nearest 10: ______
- Estimate 80 − 85 by rounding each number to the nearest 10: ______
- Estimate 85 − 37 by rounding each number to the nearest 10: ______
- Estimate 63 + 42 by rounding each number to the nearest 10: ______
- Estimate 83 − 25 by rounding each number to the nearest 10: ______
- Estimate 42 + 36 by rounding each number to the nearest 10: ______
- Estimate 47 − 72 by rounding each number to the nearest 10: ______
- Estimate 83 + 35 by rounding each number to the nearest 10: ______