Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 88 by rounding each number to the nearest 10: ______
- Estimate 50 − 54 by rounding each number to the nearest 10: ______
- Estimate 33 − 77 by rounding each number to the nearest 10: ______
- Estimate 63 + 78 by rounding each number to the nearest 10: ______
- Estimate 70 + 69 by rounding each number to the nearest 10: ______
- Estimate 48 − 83 by rounding each number to the nearest 10: ______
- Estimate 21 − 65 by rounding each number to the nearest 10: ______
- Estimate 71 − 56 by rounding each number to the nearest 10: ______
- Estimate 40 − 57 by rounding each number to the nearest 10: ______
- Estimate 36 + 49 by rounding each number to the nearest 10: ______
- Estimate 85 + 57 by rounding each number to the nearest 10: ______
- Estimate 33 − 57 by rounding each number to the nearest 10: ______
- Estimate 59 + 28 by rounding each number to the nearest 10: ______
- Estimate 83 + 32 by rounding each number to the nearest 10: ______
- Estimate 48 + 28 by rounding each number to the nearest 10: ______
- Estimate 51 + 74 by rounding each number to the nearest 10: ______
- Estimate 25 − 34 by rounding each number to the nearest 10: ______
- Estimate 53 − 81 by rounding each number to the nearest 10: ______
- Estimate 54 + 55 by rounding each number to the nearest 10: ______
- Estimate 21 − 74 by rounding each number to the nearest 10: ______