Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 + 47 by rounding each number to the nearest 10: ______
- Estimate 86 − 56 by rounding each number to the nearest 10: ______
- Estimate 50 − 82 by rounding each number to the nearest 10: ______
- Estimate 24 − 41 by rounding each number to the nearest 10: ______
- Estimate 60 + 81 by rounding each number to the nearest 10: ______
- Estimate 45 + 73 by rounding each number to the nearest 10: ______
- Estimate 89 − 53 by rounding each number to the nearest 10: ______
- Estimate 64 − 44 by rounding each number to the nearest 10: ______
- Estimate 78 + 43 by rounding each number to the nearest 10: ______
- Estimate 22 − 64 by rounding each number to the nearest 10: ______
- Estimate 52 − 38 by rounding each number to the nearest 10: ______
- Estimate 46 − 74 by rounding each number to the nearest 10: ______
- Estimate 34 + 86 by rounding each number to the nearest 10: ______
- Estimate 57 + 37 by rounding each number to the nearest 10: ______
- Estimate 84 + 44 by rounding each number to the nearest 10: ______
- Estimate 34 + 33 by rounding each number to the nearest 10: ______
- Estimate 77 − 74 by rounding each number to the nearest 10: ______
- Estimate 42 − 81 by rounding each number to the nearest 10: ______
- Estimate 68 + 68 by rounding each number to the nearest 10: ______
- Estimate 71 − 66 by rounding each number to the nearest 10: ______