Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 − 71 by rounding each number to the nearest 10: ______
- Estimate 23 + 67 by rounding each number to the nearest 10: ______
- Estimate 50 + 42 by rounding each number to the nearest 10: ______
- Estimate 71 − 45 by rounding each number to the nearest 10: ______
- Estimate 25 + 50 by rounding each number to the nearest 10: ______
- Estimate 28 − 88 by rounding each number to the nearest 10: ______
- Estimate 41 + 87 by rounding each number to the nearest 10: ______
- Estimate 87 + 38 by rounding each number to the nearest 10: ______
- Estimate 63 − 49 by rounding each number to the nearest 10: ______
- Estimate 77 + 44 by rounding each number to the nearest 10: ______
- Estimate 56 − 23 by rounding each number to the nearest 10: ______
- Estimate 44 + 47 by rounding each number to the nearest 10: ______
- Estimate 22 + 37 by rounding each number to the nearest 10: ______
- Estimate 23 + 59 by rounding each number to the nearest 10: ______
- Estimate 77 − 43 by rounding each number to the nearest 10: ______
- Estimate 35 − 25 by rounding each number to the nearest 10: ______
- Estimate 33 − 81 by rounding each number to the nearest 10: ______
- Estimate 78 − 30 by rounding each number to the nearest 10: ______
- Estimate 38 − 69 by rounding each number to the nearest 10: ______
- Estimate 41 − 49 by rounding each number to the nearest 10: ______