Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 35 by rounding each number to the nearest 10: ______
- Estimate 78 + 24 by rounding each number to the nearest 10: ______
- Estimate 65 − 26 by rounding each number to the nearest 10: ______
- Estimate 64 + 59 by rounding each number to the nearest 10: ______
- Estimate 23 + 47 by rounding each number to the nearest 10: ______
- Estimate 83 + 42 by rounding each number to the nearest 10: ______
- Estimate 51 + 68 by rounding each number to the nearest 10: ______
- Estimate 29 + 32 by rounding each number to the nearest 10: ______
- Estimate 64 − 37 by rounding each number to the nearest 10: ______
- Estimate 64 + 30 by rounding each number to the nearest 10: ______
- Estimate 34 − 38 by rounding each number to the nearest 10: ______
- Estimate 37 − 86 by rounding each number to the nearest 10: ______
- Estimate 30 − 71 by rounding each number to the nearest 10: ______
- Estimate 30 − 35 by rounding each number to the nearest 10: ______
- Estimate 48 + 76 by rounding each number to the nearest 10: ______
- Estimate 47 + 21 by rounding each number to the nearest 10: ______
- Estimate 30 − 78 by rounding each number to the nearest 10: ______
- Estimate 57 + 38 by rounding each number to the nearest 10: ______
- Estimate 53 − 86 by rounding each number to the nearest 10: ______
- Estimate 21 + 26 by rounding each number to the nearest 10: ______