Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 + 28 by rounding each number to the nearest 10: ______
- Estimate 30 + 55 by rounding each number to the nearest 10: ______
- Estimate 57 + 67 by rounding each number to the nearest 10: ______
- Estimate 77 − 67 by rounding each number to the nearest 10: ______
- Estimate 56 + 76 by rounding each number to the nearest 10: ______
- Estimate 84 − 74 by rounding each number to the nearest 10: ______
- Estimate 60 − 72 by rounding each number to the nearest 10: ______
- Estimate 61 + 58 by rounding each number to the nearest 10: ______
- Estimate 64 + 22 by rounding each number to the nearest 10: ______
- Estimate 56 − 82 by rounding each number to the nearest 10: ______
- Estimate 23 + 29 by rounding each number to the nearest 10: ______
- Estimate 43 − 42 by rounding each number to the nearest 10: ______
- Estimate 82 − 32 by rounding each number to the nearest 10: ______
- Estimate 89 + 71 by rounding each number to the nearest 10: ______
- Estimate 37 − 41 by rounding each number to the nearest 10: ______
- Estimate 30 + 37 by rounding each number to the nearest 10: ______
- Estimate 86 − 78 by rounding each number to the nearest 10: ______
- Estimate 50 − 67 by rounding each number to the nearest 10: ______
- Estimate 47 + 21 by rounding each number to the nearest 10: ______
- Estimate 57 + 59 by rounding each number to the nearest 10: ______