Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 + 66 by rounding each number to the nearest 10: ______
- Estimate 88 − 75 by rounding each number to the nearest 10: ______
- Estimate 65 − 88 by rounding each number to the nearest 10: ______
- Estimate 67 − 68 by rounding each number to the nearest 10: ______
- Estimate 42 + 21 by rounding each number to the nearest 10: ______
- Estimate 45 − 72 by rounding each number to the nearest 10: ______
- Estimate 48 − 64 by rounding each number to the nearest 10: ______
- Estimate 24 + 42 by rounding each number to the nearest 10: ______
- Estimate 79 − 70 by rounding each number to the nearest 10: ______
- Estimate 32 + 21 by rounding each number to the nearest 10: ______
- Estimate 38 + 42 by rounding each number to the nearest 10: ______
- Estimate 33 − 79 by rounding each number to the nearest 10: ______
- Estimate 66 + 80 by rounding each number to the nearest 10: ______
- Estimate 34 − 67 by rounding each number to the nearest 10: ______
- Estimate 71 + 30 by rounding each number to the nearest 10: ______
- Estimate 30 + 37 by rounding each number to the nearest 10: ______
- Estimate 60 + 74 by rounding each number to the nearest 10: ______
- Estimate 29 − 59 by rounding each number to the nearest 10: ______
- Estimate 55 + 85 by rounding each number to the nearest 10: ______
- Estimate 32 − 82 by rounding each number to the nearest 10: ______