Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 − 81 by rounding each number to the nearest 10: ______
- Estimate 29 + 72 by rounding each number to the nearest 10: ______
- Estimate 23 + 30 by rounding each number to the nearest 10: ______
- Estimate 22 + 42 by rounding each number to the nearest 10: ______
- Estimate 50 + 59 by rounding each number to the nearest 10: ______
- Estimate 51 − 25 by rounding each number to the nearest 10: ______
- Estimate 43 + 56 by rounding each number to the nearest 10: ______
- Estimate 65 − 63 by rounding each number to the nearest 10: ______
- Estimate 21 − 75 by rounding each number to the nearest 10: ______
- Estimate 65 − 56 by rounding each number to the nearest 10: ______
- Estimate 56 − 29 by rounding each number to the nearest 10: ______
- Estimate 34 − 51 by rounding each number to the nearest 10: ______
- Estimate 33 + 49 by rounding each number to the nearest 10: ______
- Estimate 76 + 55 by rounding each number to the nearest 10: ______
- Estimate 77 + 42 by rounding each number to the nearest 10: ______
- Estimate 79 + 59 by rounding each number to the nearest 10: ______
- Estimate 87 − 23 by rounding each number to the nearest 10: ______
- Estimate 39 + 51 by rounding each number to the nearest 10: ______
- Estimate 37 − 54 by rounding each number to the nearest 10: ______
- Estimate 82 + 30 by rounding each number to the nearest 10: ______