Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 − 89 by rounding each number to the nearest 10: ______
- Estimate 69 + 69 by rounding each number to the nearest 10: ______
- Estimate 22 − 21 by rounding each number to the nearest 10: ______
- Estimate 63 − 89 by rounding each number to the nearest 10: ______
- Estimate 60 + 39 by rounding each number to the nearest 10: ______
- Estimate 74 − 36 by rounding each number to the nearest 10: ______
- Estimate 81 + 40 by rounding each number to the nearest 10: ______
- Estimate 38 + 87 by rounding each number to the nearest 10: ______
- Estimate 48 − 73 by rounding each number to the nearest 10: ______
- Estimate 87 + 82 by rounding each number to the nearest 10: ______
- Estimate 60 − 50 by rounding each number to the nearest 10: ______
- Estimate 85 + 56 by rounding each number to the nearest 10: ______
- Estimate 30 + 60 by rounding each number to the nearest 10: ______
- Estimate 45 − 79 by rounding each number to the nearest 10: ______
- Estimate 64 − 59 by rounding each number to the nearest 10: ______
- Estimate 53 − 39 by rounding each number to the nearest 10: ______
- Estimate 45 + 42 by rounding each number to the nearest 10: ______
- Estimate 32 − 26 by rounding each number to the nearest 10: ______
- Estimate 42 + 70 by rounding each number to the nearest 10: ______
- Estimate 34 − 40 by rounding each number to the nearest 10: ______