Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 26 − 54 by rounding each number to the nearest 10: ______
- Estimate 53 − 73 by rounding each number to the nearest 10: ______
- Estimate 36 + 60 by rounding each number to the nearest 10: ______
- Estimate 86 − 88 by rounding each number to the nearest 10: ______
- Estimate 21 + 68 by rounding each number to the nearest 10: ______
- Estimate 82 + 39 by rounding each number to the nearest 10: ______
- Estimate 39 + 68 by rounding each number to the nearest 10: ______
- Estimate 82 + 79 by rounding each number to the nearest 10: ______
- Estimate 76 − 47 by rounding each number to the nearest 10: ______
- Estimate 42 − 70 by rounding each number to the nearest 10: ______
- Estimate 57 + 57 by rounding each number to the nearest 10: ______
- Estimate 82 − 43 by rounding each number to the nearest 10: ______
- Estimate 48 + 81 by rounding each number to the nearest 10: ______
- Estimate 54 − 42 by rounding each number to the nearest 10: ______
- Estimate 69 + 27 by rounding each number to the nearest 10: ______
- Estimate 55 + 73 by rounding each number to the nearest 10: ______
- Estimate 83 + 73 by rounding each number to the nearest 10: ______
- Estimate 86 + 45 by rounding each number to the nearest 10: ______
- Estimate 24 + 28 by rounding each number to the nearest 10: ______
- Estimate 87 + 83 by rounding each number to the nearest 10: ______