Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 75 − 27 by rounding each number to the nearest 10: ______
- Estimate 42 − 64 by rounding each number to the nearest 10: ______
- Estimate 47 − 55 by rounding each number to the nearest 10: ______
- Estimate 39 + 53 by rounding each number to the nearest 10: ______
- Estimate 22 − 69 by rounding each number to the nearest 10: ______
- Estimate 51 + 78 by rounding each number to the nearest 10: ______
- Estimate 84 + 39 by rounding each number to the nearest 10: ______
- Estimate 41 − 21 by rounding each number to the nearest 10: ______
- Estimate 29 − 54 by rounding each number to the nearest 10: ______
- Estimate 89 − 34 by rounding each number to the nearest 10: ______
- Estimate 39 + 25 by rounding each number to the nearest 10: ______
- Estimate 38 − 55 by rounding each number to the nearest 10: ______
- Estimate 39 + 54 by rounding each number to the nearest 10: ______
- Estimate 86 − 86 by rounding each number to the nearest 10: ______
- Estimate 59 − 54 by rounding each number to the nearest 10: ______
- Estimate 43 − 33 by rounding each number to the nearest 10: ______
- Estimate 24 − 77 by rounding each number to the nearest 10: ______
- Estimate 52 − 52 by rounding each number to the nearest 10: ______
- Estimate 21 + 59 by rounding each number to the nearest 10: ______
- Estimate 45 − 75 by rounding each number to the nearest 10: ______