Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 80 by rounding each number to the nearest 10: ______
- Estimate 49 − 85 by rounding each number to the nearest 10: ______
- Estimate 34 − 53 by rounding each number to the nearest 10: ______
- Estimate 34 − 31 by rounding each number to the nearest 10: ______
- Estimate 38 − 61 by rounding each number to the nearest 10: ______
- Estimate 50 − 72 by rounding each number to the nearest 10: ______
- Estimate 81 − 26 by rounding each number to the nearest 10: ______
- Estimate 27 + 31 by rounding each number to the nearest 10: ______
- Estimate 23 − 45 by rounding each number to the nearest 10: ______
- Estimate 78 + 63 by rounding each number to the nearest 10: ______
- Estimate 40 + 73 by rounding each number to the nearest 10: ______
- Estimate 52 − 67 by rounding each number to the nearest 10: ______
- Estimate 29 + 75 by rounding each number to the nearest 10: ______
- Estimate 47 + 38 by rounding each number to the nearest 10: ______
- Estimate 22 − 78 by rounding each number to the nearest 10: ______
- Estimate 58 − 77 by rounding each number to the nearest 10: ______
- Estimate 30 − 55 by rounding each number to the nearest 10: ______
- Estimate 89 − 53 by rounding each number to the nearest 10: ______
- Estimate 56 − 83 by rounding each number to the nearest 10: ______
- Estimate 47 − 73 by rounding each number to the nearest 10: ______