Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 − 21 by rounding each number to the nearest 10: ______
- Estimate 26 − 27 by rounding each number to the nearest 10: ______
- Estimate 71 − 38 by rounding each number to the nearest 10: ______
- Estimate 21 + 67 by rounding each number to the nearest 10: ______
- Estimate 81 − 50 by rounding each number to the nearest 10: ______
- Estimate 34 − 33 by rounding each number to the nearest 10: ______
- Estimate 62 + 62 by rounding each number to the nearest 10: ______
- Estimate 41 + 77 by rounding each number to the nearest 10: ______
- Estimate 39 − 68 by rounding each number to the nearest 10: ______
- Estimate 72 − 64 by rounding each number to the nearest 10: ______
- Estimate 67 + 28 by rounding each number to the nearest 10: ______
- Estimate 74 − 64 by rounding each number to the nearest 10: ______
- Estimate 43 + 37 by rounding each number to the nearest 10: ______
- Estimate 82 + 62 by rounding each number to the nearest 10: ______
- Estimate 39 + 53 by rounding each number to the nearest 10: ______
- Estimate 58 + 46 by rounding each number to the nearest 10: ______
- Estimate 87 − 85 by rounding each number to the nearest 10: ______
- Estimate 42 + 34 by rounding each number to the nearest 10: ______
- Estimate 74 + 52 by rounding each number to the nearest 10: ______
- Estimate 84 − 37 by rounding each number to the nearest 10: ______