Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 + 74 by rounding each number to the nearest 10: ______
- Estimate 87 − 39 by rounding each number to the nearest 10: ______
- Estimate 33 − 86 by rounding each number to the nearest 10: ______
- Estimate 23 − 39 by rounding each number to the nearest 10: ______
- Estimate 32 − 61 by rounding each number to the nearest 10: ______
- Estimate 47 + 77 by rounding each number to the nearest 10: ______
- Estimate 60 − 70 by rounding each number to the nearest 10: ______
- Estimate 68 − 84 by rounding each number to the nearest 10: ______
- Estimate 37 + 23 by rounding each number to the nearest 10: ______
- Estimate 39 + 72 by rounding each number to the nearest 10: ______
- Estimate 28 − 47 by rounding each number to the nearest 10: ______
- Estimate 61 + 34 by rounding each number to the nearest 10: ______
- Estimate 21 − 71 by rounding each number to the nearest 10: ______
- Estimate 58 − 31 by rounding each number to the nearest 10: ______
- Estimate 62 − 45 by rounding each number to the nearest 10: ______
- Estimate 57 + 24 by rounding each number to the nearest 10: ______
- Estimate 39 + 37 by rounding each number to the nearest 10: ______
- Estimate 83 − 40 by rounding each number to the nearest 10: ______
- Estimate 78 − 61 by rounding each number to the nearest 10: ______
- Estimate 57 − 60 by rounding each number to the nearest 10: ______