Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 − 62 by rounding each number to the nearest 10: ______
- Estimate 21 + 89 by rounding each number to the nearest 10: ______
- Estimate 40 − 42 by rounding each number to the nearest 10: ______
- Estimate 89 + 42 by rounding each number to the nearest 10: ______
- Estimate 39 − 61 by rounding each number to the nearest 10: ______
- Estimate 28 + 43 by rounding each number to the nearest 10: ______
- Estimate 65 − 39 by rounding each number to the nearest 10: ______
- Estimate 73 + 87 by rounding each number to the nearest 10: ______
- Estimate 29 − 47 by rounding each number to the nearest 10: ______
- Estimate 59 − 73 by rounding each number to the nearest 10: ______
- Estimate 54 + 21 by rounding each number to the nearest 10: ______
- Estimate 87 + 65 by rounding each number to the nearest 10: ______
- Estimate 86 − 79 by rounding each number to the nearest 10: ______
- Estimate 57 + 59 by rounding each number to the nearest 10: ______
- Estimate 85 − 74 by rounding each number to the nearest 10: ______
- Estimate 85 + 45 by rounding each number to the nearest 10: ______
- Estimate 82 + 55 by rounding each number to the nearest 10: ______
- Estimate 87 + 53 by rounding each number to the nearest 10: ______
- Estimate 36 − 39 by rounding each number to the nearest 10: ______
- Estimate 83 − 57 by rounding each number to the nearest 10: ______