Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 − 65 by rounding each number to the nearest 10: ______
- Estimate 71 + 55 by rounding each number to the nearest 10: ______
- Estimate 53 − 71 by rounding each number to the nearest 10: ______
- Estimate 32 + 32 by rounding each number to the nearest 10: ______
- Estimate 57 + 62 by rounding each number to the nearest 10: ______
- Estimate 75 + 82 by rounding each number to the nearest 10: ______
- Estimate 40 + 77 by rounding each number to the nearest 10: ______
- Estimate 73 + 35 by rounding each number to the nearest 10: ______
- Estimate 68 − 80 by rounding each number to the nearest 10: ______
- Estimate 85 − 44 by rounding each number to the nearest 10: ______
- Estimate 46 − 80 by rounding each number to the nearest 10: ______
- Estimate 42 − 23 by rounding each number to the nearest 10: ______
- Estimate 21 − 48 by rounding each number to the nearest 10: ______
- Estimate 61 − 21 by rounding each number to the nearest 10: ______
- Estimate 58 + 61 by rounding each number to the nearest 10: ______
- Estimate 61 − 43 by rounding each number to the nearest 10: ______
- Estimate 29 + 78 by rounding each number to the nearest 10: ______
- Estimate 21 − 73 by rounding each number to the nearest 10: ______
- Estimate 45 − 49 by rounding each number to the nearest 10: ______
- Estimate 79 − 85 by rounding each number to the nearest 10: ______