Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 + 55 by rounding each number to the nearest 10: ______
- Estimate 38 + 36 by rounding each number to the nearest 10: ______
- Estimate 57 − 61 by rounding each number to the nearest 10: ______
- Estimate 24 − 27 by rounding each number to the nearest 10: ______
- Estimate 56 − 33 by rounding each number to the nearest 10: ______
- Estimate 67 − 52 by rounding each number to the nearest 10: ______
- Estimate 35 − 27 by rounding each number to the nearest 10: ______
- Estimate 21 − 57 by rounding each number to the nearest 10: ______
- Estimate 53 − 27 by rounding each number to the nearest 10: ______
- Estimate 52 + 88 by rounding each number to the nearest 10: ______
- Estimate 34 − 87 by rounding each number to the nearest 10: ______
- Estimate 66 − 23 by rounding each number to the nearest 10: ______
- Estimate 51 + 45 by rounding each number to the nearest 10: ______
- Estimate 74 − 66 by rounding each number to the nearest 10: ______
- Estimate 41 − 43 by rounding each number to the nearest 10: ______
- Estimate 80 + 60 by rounding each number to the nearest 10: ______
- Estimate 30 + 64 by rounding each number to the nearest 10: ______
- Estimate 49 + 22 by rounding each number to the nearest 10: ______
- Estimate 87 − 62 by rounding each number to the nearest 10: ______
- Estimate 69 + 64 by rounding each number to the nearest 10: ______