Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 + 68 by rounding each number to the nearest 10: ______
- Estimate 42 − 67 by rounding each number to the nearest 10: ______
- Estimate 49 + 27 by rounding each number to the nearest 10: ______
- Estimate 44 + 50 by rounding each number to the nearest 10: ______
- Estimate 71 − 33 by rounding each number to the nearest 10: ______
- Estimate 46 + 81 by rounding each number to the nearest 10: ______
- Estimate 23 − 47 by rounding each number to the nearest 10: ______
- Estimate 83 − 71 by rounding each number to the nearest 10: ______
- Estimate 68 + 47 by rounding each number to the nearest 10: ______
- Estimate 60 − 72 by rounding each number to the nearest 10: ______
- Estimate 89 − 25 by rounding each number to the nearest 10: ______
- Estimate 64 − 39 by rounding each number to the nearest 10: ______
- Estimate 54 + 65 by rounding each number to the nearest 10: ______
- Estimate 65 + 55 by rounding each number to the nearest 10: ______
- Estimate 80 + 81 by rounding each number to the nearest 10: ______
- Estimate 58 − 65 by rounding each number to the nearest 10: ______
- Estimate 37 + 61 by rounding each number to the nearest 10: ______
- Estimate 45 + 73 by rounding each number to the nearest 10: ______
- Estimate 25 + 65 by rounding each number to the nearest 10: ______
- Estimate 38 − 47 by rounding each number to the nearest 10: ______