Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 + 47 by rounding each number to the nearest 10: ______
- Estimate 47 − 83 by rounding each number to the nearest 10: ______
- Estimate 25 + 68 by rounding each number to the nearest 10: ______
- Estimate 42 + 21 by rounding each number to the nearest 10: ______
- Estimate 56 − 32 by rounding each number to the nearest 10: ______
- Estimate 38 − 43 by rounding each number to the nearest 10: ______
- Estimate 42 − 84 by rounding each number to the nearest 10: ______
- Estimate 86 + 60 by rounding each number to the nearest 10: ______
- Estimate 23 + 56 by rounding each number to the nearest 10: ______
- Estimate 58 + 39 by rounding each number to the nearest 10: ______
- Estimate 46 − 28 by rounding each number to the nearest 10: ______
- Estimate 75 − 29 by rounding each number to the nearest 10: ______
- Estimate 34 − 45 by rounding each number to the nearest 10: ______
- Estimate 35 − 47 by rounding each number to the nearest 10: ______
- Estimate 64 + 85 by rounding each number to the nearest 10: ______
- Estimate 24 + 23 by rounding each number to the nearest 10: ______
- Estimate 46 + 81 by rounding each number to the nearest 10: ______
- Estimate 73 + 63 by rounding each number to the nearest 10: ______
- Estimate 32 + 38 by rounding each number to the nearest 10: ______
- Estimate 77 − 53 by rounding each number to the nearest 10: ______