Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 + 79 by rounding each number to the nearest 10: ______
- Estimate 77 + 75 by rounding each number to the nearest 10: ______
- Estimate 25 − 84 by rounding each number to the nearest 10: ______
- Estimate 57 − 80 by rounding each number to the nearest 10: ______
- Estimate 34 − 68 by rounding each number to the nearest 10: ______
- Estimate 21 − 50 by rounding each number to the nearest 10: ______
- Estimate 83 + 35 by rounding each number to the nearest 10: ______
- Estimate 55 − 81 by rounding each number to the nearest 10: ______
- Estimate 70 − 34 by rounding each number to the nearest 10: ______
- Estimate 61 − 70 by rounding each number to the nearest 10: ______
- Estimate 53 − 86 by rounding each number to the nearest 10: ______
- Estimate 31 + 40 by rounding each number to the nearest 10: ______
- Estimate 79 + 33 by rounding each number to the nearest 10: ______
- Estimate 53 + 70 by rounding each number to the nearest 10: ______
- Estimate 33 − 60 by rounding each number to the nearest 10: ______
- Estimate 76 + 56 by rounding each number to the nearest 10: ______
- Estimate 37 + 31 by rounding each number to the nearest 10: ______
- Estimate 51 + 87 by rounding each number to the nearest 10: ______
- Estimate 23 + 78 by rounding each number to the nearest 10: ______
- Estimate 57 + 73 by rounding each number to the nearest 10: ______