Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 72 by rounding each number to the nearest 10: ______
- Estimate 57 − 56 by rounding each number to the nearest 10: ______
- Estimate 21 + 44 by rounding each number to the nearest 10: ______
- Estimate 89 + 42 by rounding each number to the nearest 10: ______
- Estimate 41 − 48 by rounding each number to the nearest 10: ______
- Estimate 57 + 64 by rounding each number to the nearest 10: ______
- Estimate 60 − 74 by rounding each number to the nearest 10: ______
- Estimate 23 + 73 by rounding each number to the nearest 10: ______
- Estimate 60 + 56 by rounding each number to the nearest 10: ______
- Estimate 39 + 21 by rounding each number to the nearest 10: ______
- Estimate 40 + 71 by rounding each number to the nearest 10: ______
- Estimate 39 + 38 by rounding each number to the nearest 10: ______
- Estimate 42 + 55 by rounding each number to the nearest 10: ______
- Estimate 47 + 22 by rounding each number to the nearest 10: ______
- Estimate 65 − 54 by rounding each number to the nearest 10: ______
- Estimate 49 + 45 by rounding each number to the nearest 10: ______
- Estimate 27 − 56 by rounding each number to the nearest 10: ______
- Estimate 57 + 52 by rounding each number to the nearest 10: ______
- Estimate 47 − 53 by rounding each number to the nearest 10: ______
- Estimate 85 + 26 by rounding each number to the nearest 10: ______