Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 35 by rounding each number to the nearest 10: ______
- Estimate 69 − 56 by rounding each number to the nearest 10: ______
- Estimate 66 + 51 by rounding each number to the nearest 10: ______
- Estimate 39 − 84 by rounding each number to the nearest 10: ______
- Estimate 46 − 23 by rounding each number to the nearest 10: ______
- Estimate 52 − 43 by rounding each number to the nearest 10: ______
- Estimate 53 − 41 by rounding each number to the nearest 10: ______
- Estimate 38 − 50 by rounding each number to the nearest 10: ______
- Estimate 25 + 58 by rounding each number to the nearest 10: ______
- Estimate 81 − 56 by rounding each number to the nearest 10: ______
- Estimate 39 − 45 by rounding each number to the nearest 10: ______
- Estimate 64 − 76 by rounding each number to the nearest 10: ______
- Estimate 68 − 50 by rounding each number to the nearest 10: ______
- Estimate 81 + 37 by rounding each number to the nearest 10: ______
- Estimate 25 + 39 by rounding each number to the nearest 10: ______
- Estimate 55 − 80 by rounding each number to the nearest 10: ______
- Estimate 22 + 89 by rounding each number to the nearest 10: ______
- Estimate 76 − 27 by rounding each number to the nearest 10: ______
- Estimate 34 + 38 by rounding each number to the nearest 10: ______
- Estimate 42 − 71 by rounding each number to the nearest 10: ______