Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 42 by rounding each number to the nearest 10: ______
- Estimate 67 + 28 by rounding each number to the nearest 10: ______
- Estimate 41 − 83 by rounding each number to the nearest 10: ______
- Estimate 80 + 80 by rounding each number to the nearest 10: ______
- Estimate 44 + 89 by rounding each number to the nearest 10: ______
- Estimate 67 + 56 by rounding each number to the nearest 10: ______
- Estimate 77 + 35 by rounding each number to the nearest 10: ______
- Estimate 45 − 45 by rounding each number to the nearest 10: ______
- Estimate 87 − 77 by rounding each number to the nearest 10: ______
- Estimate 34 + 73 by rounding each number to the nearest 10: ______
- Estimate 70 + 37 by rounding each number to the nearest 10: ______
- Estimate 82 + 84 by rounding each number to the nearest 10: ______
- Estimate 65 − 58 by rounding each number to the nearest 10: ______
- Estimate 46 + 66 by rounding each number to the nearest 10: ______
- Estimate 64 + 38 by rounding each number to the nearest 10: ______
- Estimate 45 + 27 by rounding each number to the nearest 10: ______
- Estimate 22 + 40 by rounding each number to the nearest 10: ______
- Estimate 71 − 32 by rounding each number to the nearest 10: ______
- Estimate 33 − 49 by rounding each number to the nearest 10: ______
- Estimate 31 + 42 by rounding each number to the nearest 10: ______