Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 + 69 by rounding each number to the nearest 10: ______
- Estimate 77 + 79 by rounding each number to the nearest 10: ______
- Estimate 24 − 23 by rounding each number to the nearest 10: ______
- Estimate 63 + 77 by rounding each number to the nearest 10: ______
- Estimate 39 − 45 by rounding each number to the nearest 10: ______
- Estimate 21 + 57 by rounding each number to the nearest 10: ______
- Estimate 42 + 45 by rounding each number to the nearest 10: ______
- Estimate 36 − 72 by rounding each number to the nearest 10: ______
- Estimate 28 + 33 by rounding each number to the nearest 10: ______
- Estimate 77 − 71 by rounding each number to the nearest 10: ______
- Estimate 22 + 64 by rounding each number to the nearest 10: ______
- Estimate 56 + 34 by rounding each number to the nearest 10: ______
- Estimate 58 − 81 by rounding each number to the nearest 10: ______
- Estimate 26 + 72 by rounding each number to the nearest 10: ______
- Estimate 60 − 87 by rounding each number to the nearest 10: ______
- Estimate 51 − 46 by rounding each number to the nearest 10: ______
- Estimate 47 + 89 by rounding each number to the nearest 10: ______
- Estimate 25 + 60 by rounding each number to the nearest 10: ______
- Estimate 87 + 43 by rounding each number to the nearest 10: ______
- Estimate 57 − 41 by rounding each number to the nearest 10: ______