Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 − 64 by rounding each number to the nearest 10: ______
- Estimate 85 − 25 by rounding each number to the nearest 10: ______
- Estimate 50 − 23 by rounding each number to the nearest 10: ______
- Estimate 26 − 27 by rounding each number to the nearest 10: ______
- Estimate 56 − 49 by rounding each number to the nearest 10: ______
- Estimate 52 − 22 by rounding each number to the nearest 10: ______
- Estimate 78 − 56 by rounding each number to the nearest 10: ______
- Estimate 57 + 22 by rounding each number to the nearest 10: ______
- Estimate 55 − 35 by rounding each number to the nearest 10: ______
- Estimate 81 − 44 by rounding each number to the nearest 10: ______
- Estimate 23 + 41 by rounding each number to the nearest 10: ______
- Estimate 83 + 29 by rounding each number to the nearest 10: ______
- Estimate 40 + 49 by rounding each number to the nearest 10: ______
- Estimate 79 + 42 by rounding each number to the nearest 10: ______
- Estimate 66 − 80 by rounding each number to the nearest 10: ______
- Estimate 34 − 30 by rounding each number to the nearest 10: ______
- Estimate 62 + 63 by rounding each number to the nearest 10: ______
- Estimate 43 − 50 by rounding each number to the nearest 10: ______
- Estimate 47 + 44 by rounding each number to the nearest 10: ______
- Estimate 39 + 22 by rounding each number to the nearest 10: ______