Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 21 by rounding each number to the nearest 10: ______
- Estimate 88 − 36 by rounding each number to the nearest 10: ______
- Estimate 42 − 61 by rounding each number to the nearest 10: ______
- Estimate 36 + 27 by rounding each number to the nearest 10: ______
- Estimate 83 + 60 by rounding each number to the nearest 10: ______
- Estimate 82 − 44 by rounding each number to the nearest 10: ______
- Estimate 50 − 61 by rounding each number to the nearest 10: ______
- Estimate 31 − 61 by rounding each number to the nearest 10: ______
- Estimate 50 + 67 by rounding each number to the nearest 10: ______
- Estimate 57 − 79 by rounding each number to the nearest 10: ______
- Estimate 36 − 57 by rounding each number to the nearest 10: ______
- Estimate 55 + 48 by rounding each number to the nearest 10: ______
- Estimate 45 − 57 by rounding each number to the nearest 10: ______
- Estimate 64 − 78 by rounding each number to the nearest 10: ______
- Estimate 75 − 50 by rounding each number to the nearest 10: ______
- Estimate 52 − 45 by rounding each number to the nearest 10: ______
- Estimate 67 + 54 by rounding each number to the nearest 10: ______
- Estimate 77 − 59 by rounding each number to the nearest 10: ______
- Estimate 83 − 76 by rounding each number to the nearest 10: ______
- Estimate 48 − 49 by rounding each number to the nearest 10: ______