Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 − 26 by rounding each number to the nearest 10: ______
- Estimate 81 − 26 by rounding each number to the nearest 10: ______
- Estimate 76 − 38 by rounding each number to the nearest 10: ______
- Estimate 39 + 80 by rounding each number to the nearest 10: ______
- Estimate 79 + 22 by rounding each number to the nearest 10: ______
- Estimate 28 + 87 by rounding each number to the nearest 10: ______
- Estimate 76 + 42 by rounding each number to the nearest 10: ______
- Estimate 67 + 82 by rounding each number to the nearest 10: ______
- Estimate 56 − 37 by rounding each number to the nearest 10: ______
- Estimate 50 + 88 by rounding each number to the nearest 10: ______
- Estimate 61 − 66 by rounding each number to the nearest 10: ______
- Estimate 57 − 23 by rounding each number to the nearest 10: ______
- Estimate 73 + 30 by rounding each number to the nearest 10: ______
- Estimate 75 − 82 by rounding each number to the nearest 10: ______
- Estimate 26 + 37 by rounding each number to the nearest 10: ______
- Estimate 86 + 25 by rounding each number to the nearest 10: ______
- Estimate 25 − 29 by rounding each number to the nearest 10: ______
- Estimate 55 + 83 by rounding each number to the nearest 10: ______
- Estimate 26 + 77 by rounding each number to the nearest 10: ______
- Estimate 31 − 68 by rounding each number to the nearest 10: ______