Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 + 37 by rounding each number to the nearest 10: ______
- Estimate 77 + 88 by rounding each number to the nearest 10: ______
- Estimate 28 + 39 by rounding each number to the nearest 10: ______
- Estimate 27 + 60 by rounding each number to the nearest 10: ______
- Estimate 42 − 75 by rounding each number to the nearest 10: ______
- Estimate 52 − 84 by rounding each number to the nearest 10: ______
- Estimate 62 − 23 by rounding each number to the nearest 10: ______
- Estimate 29 + 52 by rounding each number to the nearest 10: ______
- Estimate 85 + 81 by rounding each number to the nearest 10: ______
- Estimate 59 + 23 by rounding each number to the nearest 10: ______
- Estimate 42 − 43 by rounding each number to the nearest 10: ______
- Estimate 78 − 25 by rounding each number to the nearest 10: ______
- Estimate 69 + 41 by rounding each number to the nearest 10: ______
- Estimate 22 + 29 by rounding each number to the nearest 10: ______
- Estimate 37 − 21 by rounding each number to the nearest 10: ______
- Estimate 36 − 59 by rounding each number to the nearest 10: ______
- Estimate 59 + 37 by rounding each number to the nearest 10: ______
- Estimate 39 + 40 by rounding each number to the nearest 10: ______
- Estimate 77 − 89 by rounding each number to the nearest 10: ______
- Estimate 86 + 31 by rounding each number to the nearest 10: ______