He described the anterior chamber angle using a direct ophthalmoscope and simultaneous digital pressure on the limbal region. Years later Maximilian Salzmann would be the first to use a contact lens and indirect gonioscopy for examination of the angle. It can also be used during examination under anesthesia in children and also in glaucoma surgery.

Print this page In Grade 6, instructional time should focus on four critical areas: Students use reasoning about multiplication and division to solve ratio and rate problems about quantities.

By viewing equivalent ratios and rates as Grading system documentation from, and extending, pairs of rows or columns in the multiplication table, and by analyzing simple drawings that indicate the relative size of quantities, students connect their understanding of multiplication and division with ratios and rates.

Thus students expand the scope of problems for which they can use multiplication and division to solve problems, and they connect ratios and fractions.

Students solve a wide variety of problems involving ratios and rates. Students use the meaning of fractions, the meanings of multiplication and division, and the relationship between multiplication and division to understand and explain why the procedures for dividing fractions make sense.

Students use these operations to solve problems.

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Students extend their previous understandings of number and the ordering of numbers to the full system of rational numbers, which includes negative rational numbers, and in particular negative integers. They reason about the order and absolute value of rational numbers and about the location of points in all four quadrants of the coordinate plane.

Students understand the use of variables in mathematical expressions. They write expressions and equations that correspond to given situations, evaluate expressions, and use expressions and formulas to solve problems. Students understand that expressions in different forms can be equivalent, and they use the properties of operations to rewrite expressions in equivalent forms.

Students know that the solutions of an equation are the values of the variables that make the equation true.

Students use properties of operations and the idea of maintaining the equality of both sides of an equation to solve simple one-step equations. Building on and reinforcing their understanding of number, students begin to develop their ability to think statistically.

Students recognize that a data distribution may not have a definite center and that different ways to measure center yield different values.

The median measures center in the sense that it is roughly the middle value. The mean measures center in the sense that it is the value that each data point would take on if the total of the data values were redistributed equally, and also in the sense that it is a balance point. Students recognize that a measure of variability interquartile range or mean absolute deviation can also be useful for summarizing data because two very different sets of data can have the same mean and median yet be distinguished by their variability.

Students learn to describe and summarize numerical data sets, identifying clusters, peaks, gaps, and symmetry, considering the context in which the data were collected.

Students in Grade 6 also build on their work with area in elementary school by reasoning about relationships among shapes to determine area, surface area, and volume.

They find areas of right triangles, other triangles, and special quadrilaterals by decomposing these shapes, rearranging or removing pieces, and relating the shapes to rectangles. Using these methods, students discuss, develop, and justify formulas for areas of triangles and parallelograms.

Students find areas of polygons and surface areas of prisms and pyramids by decomposing them into pieces whose area they can determine.

They reason about right rectangular prisms with fractional side lengths to extend formulas for the volume of a right rectangular prism to fractional side lengths.Students enrolled in the University are required to conform to the following regulations and to comply with the requirements and regulations of the school in which they are registered.

Welcome to the Library at Central Georgia Technical College. Please let us know how we can assist with your educational pursuits. Warner Robins Campus A. Turnitin provides instructors with the tools to prevent plagiarism, engage students in the writing process, and provide personalized feedback.

Uniform Tire Quality Grading, commonly abbreviated as UTQG, is the term encompassing a set of standards for passenger car tires that measures a tire's treadwear, temperature resistance and timberdesignmag.com UTQG was created by the National Highway Traffic Safety Administration in , a branch of the United States Department of Transportation (DOT).