Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 41 − 31 by rounding each number to the nearest 10: ______
- Estimate 53 + 77 by rounding each number to the nearest 10: ______
- Estimate 39 + 35 by rounding each number to the nearest 10: ______
- Estimate 46 + 71 by rounding each number to the nearest 10: ______
- Estimate 76 − 35 by rounding each number to the nearest 10: ______
- Estimate 49 − 84 by rounding each number to the nearest 10: ______
- Estimate 39 + 78 by rounding each number to the nearest 10: ______
- Estimate 81 − 57 by rounding each number to the nearest 10: ______
- Estimate 44 − 51 by rounding each number to the nearest 10: ______
- Estimate 84 + 32 by rounding each number to the nearest 10: ______
- Estimate 67 + 63 by rounding each number to the nearest 10: ______
- Estimate 82 + 70 by rounding each number to the nearest 10: ______
- Estimate 25 − 82 by rounding each number to the nearest 10: ______
- Estimate 34 − 61 by rounding each number to the nearest 10: ______
- Estimate 39 − 41 by rounding each number to the nearest 10: ______
- Estimate 52 − 23 by rounding each number to the nearest 10: ______
- Estimate 73 + 84 by rounding each number to the nearest 10: ______
- Estimate 42 + 38 by rounding each number to the nearest 10: ______
- Estimate 86 − 69 by rounding each number to the nearest 10: ______
- Estimate 35 + 47 by rounding each number to the nearest 10: ______