Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 + 58 by rounding each number to the nearest 10: ______
- Estimate 53 + 78 by rounding each number to the nearest 10: ______
- Estimate 61 + 26 by rounding each number to the nearest 10: ______
- Estimate 56 − 36 by rounding each number to the nearest 10: ______
- Estimate 68 − 43 by rounding each number to the nearest 10: ______
- Estimate 49 − 38 by rounding each number to the nearest 10: ______
- Estimate 64 − 52 by rounding each number to the nearest 10: ______
- Estimate 46 − 77 by rounding each number to the nearest 10: ______
- Estimate 28 + 51 by rounding each number to the nearest 10: ______
- Estimate 62 + 89 by rounding each number to the nearest 10: ______
- Estimate 23 + 42 by rounding each number to the nearest 10: ______
- Estimate 50 − 70 by rounding each number to the nearest 10: ______
- Estimate 67 − 76 by rounding each number to the nearest 10: ______
- Estimate 72 − 65 by rounding each number to the nearest 10: ______
- Estimate 23 + 57 by rounding each number to the nearest 10: ______
- Estimate 46 − 82 by rounding each number to the nearest 10: ______
- Estimate 34 + 31 by rounding each number to the nearest 10: ______
- Estimate 50 − 37 by rounding each number to the nearest 10: ______
- Estimate 77 − 52 by rounding each number to the nearest 10: ______
- Estimate 45 + 85 by rounding each number to the nearest 10: ______