Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 22 by rounding each number to the nearest 10: ______
- Estimate 45 + 38 by rounding each number to the nearest 10: ______
- Estimate 63 + 72 by rounding each number to the nearest 10: ______
- Estimate 81 + 75 by rounding each number to the nearest 10: ______
- Estimate 41 − 49 by rounding each number to the nearest 10: ______
- Estimate 54 − 74 by rounding each number to the nearest 10: ______
- Estimate 59 + 78 by rounding each number to the nearest 10: ______
- Estimate 75 − 37 by rounding each number to the nearest 10: ______
- Estimate 74 + 64 by rounding each number to the nearest 10: ______
- Estimate 24 − 82 by rounding each number to the nearest 10: ______
- Estimate 70 − 47 by rounding each number to the nearest 10: ______
- Estimate 67 + 72 by rounding each number to the nearest 10: ______
- Estimate 71 + 23 by rounding each number to the nearest 10: ______
- Estimate 78 + 43 by rounding each number to the nearest 10: ______
- Estimate 33 + 37 by rounding each number to the nearest 10: ______
- Estimate 74 + 57 by rounding each number to the nearest 10: ______
- Estimate 72 − 55 by rounding each number to the nearest 10: ______
- Estimate 61 − 80 by rounding each number to the nearest 10: ______
- Estimate 88 − 48 by rounding each number to the nearest 10: ______
- Estimate 81 − 36 by rounding each number to the nearest 10: ______