Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 73 + 39 by rounding each number to the nearest 10: ______
- Estimate 76 − 70 by rounding each number to the nearest 10: ______
- Estimate 46 + 27 by rounding each number to the nearest 10: ______
- Estimate 42 − 82 by rounding each number to the nearest 10: ______
- Estimate 53 − 69 by rounding each number to the nearest 10: ______
- Estimate 62 − 64 by rounding each number to the nearest 10: ______
- Estimate 27 − 73 by rounding each number to the nearest 10: ______
- Estimate 60 − 43 by rounding each number to the nearest 10: ______
- Estimate 49 + 39 by rounding each number to the nearest 10: ______
- Estimate 30 + 38 by rounding each number to the nearest 10: ______
- Estimate 82 + 79 by rounding each number to the nearest 10: ______
- Estimate 44 − 64 by rounding each number to the nearest 10: ______
- Estimate 77 − 60 by rounding each number to the nearest 10: ______
- Estimate 39 − 52 by rounding each number to the nearest 10: ______
- Estimate 68 + 40 by rounding each number to the nearest 10: ______
- Estimate 55 + 38 by rounding each number to the nearest 10: ______
- Estimate 83 − 46 by rounding each number to the nearest 10: ______
- Estimate 59 − 31 by rounding each number to the nearest 10: ______
- Estimate 47 − 85 by rounding each number to the nearest 10: ______
- Estimate 89 − 79 by rounding each number to the nearest 10: ______