Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 + 33 by rounding each number to the nearest 10: ______
- Estimate 78 + 26 by rounding each number to the nearest 10: ______
- Estimate 72 + 50 by rounding each number to the nearest 10: ______
- Estimate 78 − 80 by rounding each number to the nearest 10: ______
- Estimate 70 + 77 by rounding each number to the nearest 10: ______
- Estimate 67 + 80 by rounding each number to the nearest 10: ______
- Estimate 63 + 81 by rounding each number to the nearest 10: ______
- Estimate 83 − 77 by rounding each number to the nearest 10: ______
- Estimate 79 − 31 by rounding each number to the nearest 10: ______
- Estimate 56 + 52 by rounding each number to the nearest 10: ______
- Estimate 43 − 82 by rounding each number to the nearest 10: ______
- Estimate 23 − 46 by rounding each number to the nearest 10: ______
- Estimate 43 − 61 by rounding each number to the nearest 10: ______
- Estimate 23 + 73 by rounding each number to the nearest 10: ______
- Estimate 77 + 27 by rounding each number to the nearest 10: ______
- Estimate 21 − 34 by rounding each number to the nearest 10: ______
- Estimate 83 − 52 by rounding each number to the nearest 10: ______
- Estimate 51 + 61 by rounding each number to the nearest 10: ______
- Estimate 44 + 57 by rounding each number to the nearest 10: ______
- Estimate 35 − 35 by rounding each number to the nearest 10: ______