Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 44 − 39 by rounding each number to the nearest 10: ______
- Estimate 26 − 25 by rounding each number to the nearest 10: ______
- Estimate 81 + 34 by rounding each number to the nearest 10: ______
- Estimate 85 − 69 by rounding each number to the nearest 10: ______
- Estimate 53 − 64 by rounding each number to the nearest 10: ______
- Estimate 61 + 84 by rounding each number to the nearest 10: ______
- Estimate 81 + 53 by rounding each number to the nearest 10: ______
- Estimate 42 − 86 by rounding each number to the nearest 10: ______
- Estimate 39 − 51 by rounding each number to the nearest 10: ______
- Estimate 39 − 85 by rounding each number to the nearest 10: ______
- Estimate 72 + 82 by rounding each number to the nearest 10: ______
- Estimate 51 + 22 by rounding each number to the nearest 10: ______
- Estimate 45 + 73 by rounding each number to the nearest 10: ______
- Estimate 35 + 61 by rounding each number to the nearest 10: ______
- Estimate 65 + 27 by rounding each number to the nearest 10: ______
- Estimate 23 + 24 by rounding each number to the nearest 10: ______
- Estimate 48 + 82 by rounding each number to the nearest 10: ______
- Estimate 30 − 43 by rounding each number to the nearest 10: ______
- Estimate 32 + 36 by rounding each number to the nearest 10: ______
- Estimate 77 + 89 by rounding each number to the nearest 10: ______