Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 45 by rounding each number to the nearest 10: ______
- Estimate 38 − 64 by rounding each number to the nearest 10: ______
- Estimate 67 − 65 by rounding each number to the nearest 10: ______
- Estimate 58 − 40 by rounding each number to the nearest 10: ______
- Estimate 46 − 77 by rounding each number to the nearest 10: ______
- Estimate 77 + 71 by rounding each number to the nearest 10: ______
- Estimate 44 − 57 by rounding each number to the nearest 10: ______
- Estimate 54 + 83 by rounding each number to the nearest 10: ______
- Estimate 54 + 57 by rounding each number to the nearest 10: ______
- Estimate 23 − 41 by rounding each number to the nearest 10: ______
- Estimate 83 − 87 by rounding each number to the nearest 10: ______
- Estimate 45 − 44 by rounding each number to the nearest 10: ______
- Estimate 55 − 50 by rounding each number to the nearest 10: ______
- Estimate 48 + 73 by rounding each number to the nearest 10: ______
- Estimate 55 − 82 by rounding each number to the nearest 10: ______
- Estimate 24 − 64 by rounding each number to the nearest 10: ______
- Estimate 32 − 71 by rounding each number to the nearest 10: ______
- Estimate 29 − 81 by rounding each number to the nearest 10: ______
- Estimate 66 + 76 by rounding each number to the nearest 10: ______
- Estimate 55 + 47 by rounding each number to the nearest 10: ______