Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 + 49 by rounding each number to the nearest 10: ______
- Estimate 68 + 31 by rounding each number to the nearest 10: ______
- Estimate 50 + 58 by rounding each number to the nearest 10: ______
- Estimate 34 − 86 by rounding each number to the nearest 10: ______
- Estimate 28 + 23 by rounding each number to the nearest 10: ______
- Estimate 62 + 60 by rounding each number to the nearest 10: ______
- Estimate 76 + 57 by rounding each number to the nearest 10: ______
- Estimate 75 + 84 by rounding each number to the nearest 10: ______
- Estimate 85 − 89 by rounding each number to the nearest 10: ______
- Estimate 45 + 66 by rounding each number to the nearest 10: ______
- Estimate 52 − 28 by rounding each number to the nearest 10: ______
- Estimate 23 − 68 by rounding each number to the nearest 10: ______
- Estimate 61 + 63 by rounding each number to the nearest 10: ______
- Estimate 77 + 33 by rounding each number to the nearest 10: ______
- Estimate 32 − 88 by rounding each number to the nearest 10: ______
- Estimate 87 − 71 by rounding each number to the nearest 10: ______
- Estimate 77 − 86 by rounding each number to the nearest 10: ______
- Estimate 82 − 61 by rounding each number to the nearest 10: ______
- Estimate 72 − 30 by rounding each number to the nearest 10: ______
- Estimate 33 + 75 by rounding each number to the nearest 10: ______