Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 44 by rounding each number to the nearest 10: ______
- Estimate 27 − 88 by rounding each number to the nearest 10: ______
- Estimate 87 + 66 by rounding each number to the nearest 10: ______
- Estimate 82 + 57 by rounding each number to the nearest 10: ______
- Estimate 43 − 54 by rounding each number to the nearest 10: ______
- Estimate 47 + 21 by rounding each number to the nearest 10: ______
- Estimate 84 − 25 by rounding each number to the nearest 10: ______
- Estimate 23 − 75 by rounding each number to the nearest 10: ______
- Estimate 23 − 27 by rounding each number to the nearest 10: ______
- Estimate 55 − 64 by rounding each number to the nearest 10: ______
- Estimate 40 + 47 by rounding each number to the nearest 10: ______
- Estimate 64 − 70 by rounding each number to the nearest 10: ______
- Estimate 79 − 55 by rounding each number to the nearest 10: ______
- Estimate 40 + 59 by rounding each number to the nearest 10: ______
- Estimate 80 + 58 by rounding each number to the nearest 10: ______
- Estimate 28 + 42 by rounding each number to the nearest 10: ______
- Estimate 38 + 36 by rounding each number to the nearest 10: ______
- Estimate 63 + 67 by rounding each number to the nearest 10: ______
- Estimate 26 − 65 by rounding each number to the nearest 10: ______
- Estimate 47 + 82 by rounding each number to the nearest 10: ______