Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 + 31 by rounding each number to the nearest 10: ______
- Estimate 67 − 22 by rounding each number to the nearest 10: ______
- Estimate 40 + 26 by rounding each number to the nearest 10: ______
- Estimate 58 + 61 by rounding each number to the nearest 10: ______
- Estimate 50 + 77 by rounding each number to the nearest 10: ______
- Estimate 42 + 46 by rounding each number to the nearest 10: ______
- Estimate 86 + 81 by rounding each number to the nearest 10: ______
- Estimate 50 − 45 by rounding each number to the nearest 10: ______
- Estimate 70 + 81 by rounding each number to the nearest 10: ______
- Estimate 82 − 28 by rounding each number to the nearest 10: ______
- Estimate 81 + 30 by rounding each number to the nearest 10: ______
- Estimate 33 − 56 by rounding each number to the nearest 10: ______
- Estimate 44 − 40 by rounding each number to the nearest 10: ______
- Estimate 87 − 61 by rounding each number to the nearest 10: ______
- Estimate 22 − 80 by rounding each number to the nearest 10: ______
- Estimate 54 + 60 by rounding each number to the nearest 10: ______
- Estimate 52 + 42 by rounding each number to the nearest 10: ______
- Estimate 38 − 85 by rounding each number to the nearest 10: ______
- Estimate 81 − 63 by rounding each number to the nearest 10: ______
- Estimate 81 + 63 by rounding each number to the nearest 10: ______