Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 32 by rounding each number to the nearest 10: ______
- Estimate 86 + 35 by rounding each number to the nearest 10: ______
- Estimate 33 − 83 by rounding each number to the nearest 10: ______
- Estimate 42 + 53 by rounding each number to the nearest 10: ______
- Estimate 49 + 21 by rounding each number to the nearest 10: ______
- Estimate 55 − 45 by rounding each number to the nearest 10: ______
- Estimate 44 + 60 by rounding each number to the nearest 10: ______
- Estimate 64 − 57 by rounding each number to the nearest 10: ______
- Estimate 82 + 32 by rounding each number to the nearest 10: ______
- Estimate 59 − 34 by rounding each number to the nearest 10: ______
- Estimate 61 + 54 by rounding each number to the nearest 10: ______
- Estimate 42 + 41 by rounding each number to the nearest 10: ______
- Estimate 23 − 75 by rounding each number to the nearest 10: ______
- Estimate 65 − 22 by rounding each number to the nearest 10: ______
- Estimate 71 + 49 by rounding each number to the nearest 10: ______
- Estimate 21 + 39 by rounding each number to the nearest 10: ______
- Estimate 38 + 85 by rounding each number to the nearest 10: ______
- Estimate 36 − 81 by rounding each number to the nearest 10: ______
- Estimate 46 + 26 by rounding each number to the nearest 10: ______
- Estimate 54 − 74 by rounding each number to the nearest 10: ______