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Science Review of Types of Rocks 150 150 Deborah

Science Review of Types of Rocks

Overview Geologists classify rock into three different types; igneous, sedimentary, and metamorphic. These types of rocks differ by the way they form. Igneous rocks form from cooling magma. Sedimentary rocks are the result of compact sand and mud. Metamorphic rocks form from changes in either igneous or sedimentary rocks. What Is Magma? Magma is melted…

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SAT Review of Number and Operations 150 150 Deborah

SAT Review of Number and Operations

Overview The SAT Mathematics test includes both multiple-choice questions and questions that require a written numerical answer. Students’ mathematical reasoning is assessed in separate areas of number and operations; algebra and functions; geometry and measurement; data analysis; probability and statistics. These areas follow the guidelines set by the National Council for Teachers of Mathematics, and…

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Science Review of Characteristics of Minerals 150 150 Deborah

Science Review of Characteristics of Minerals

Overview Minerals have specific physical properties that make them easier to identify in the field. Most of the minerals that are rock-forming contain silicon and oxygen, but there are some that contain calcium. Other types of minerals are used as ore, are mined for gems, or occur in small amounts. g Physical Properties Geologists tend…

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SAT Review of Algebra and Functions 150 150 Deborah

SAT Review of Algebra and Functions

Overview Students taking the SAT Mathematics test are assessed on areas such as number and operations, algebra and functions, geometry and measurement, data analysis, and probability and statistics. The Algebra and Functions strand includes operations on algebraic expressions, solving equations and inequalities, quadratic equations, rational systems of linear equations and inequalities, direct and inverse variation,…

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SAT Review of Data Analysis 150 150 Deborah

SAT Review of Data Analysis

Overview The SAT Mathematics test questions assess different areas of mathematical knowledge and application such as number and operations, algebra and functions, geometry and measurement, probability and statistics, and data analysis. Data analysis questions address students’ ability to interpret information presented in tables, graphs, and charts, recognize change and trends, and analyze change by performing…

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SAT Review of Probability and Statistics 150 150 Deborah

SAT Review of Probability and Statistics

Overview Probability and statistics concepts are tested as one of the strands of SAT Mathematics. Topics include measures of central tendency such as mean, median, and mode; elementary probability; and geometric probability. The test doesn’t contain long calculations of standard deviation or other statistical measurements. Why Statistics? Probability and statistics concepts are often combined with…

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SAT Review of Geometry and Measurement 150 150 Deborah

SAT Review of Geometry and Measurement

Overview Students taking the SAT Mathematics test are assessed on areas such as number and operations, algebra and functions, geometry and measurement, data analysis, and probability and statistics. The Geometry and Measurement strand covers topics such as geometric notation, concepts such as points, lines, and angles in the plane. Geometric figures such as triangles, quadrilaterals,…

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Vocabulary Review for the SAT 150 150 Deborah

Vocabulary Review for the SAT

Overview Students develop a good vocabulary as one of the advantages of going to college. It is a result of reading scholarly texts, writing papers and essays, and listening to professors expound on a myriad of subjects. The SAT tests vocabulary directly through sentence-completion and reading-passage questions, and indirectly through appropriate word choice in the…

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Math Review of Volume and Surface Area 150 150 Deborah

Math Review of Volume and Surface Area

Overview Solid objects have both volume and surface area. Formulas for calculations can be expressed using algebra, especially if the measurements of sides are stated by variables. The ratio of volume to surface area is important in applications in chemistry and biology. Measurement of Volume The volume of a solid is the amount of space…

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Math Review of Trigonometry and Navigation 150 150 Deborah

Math Review of Trigonometry and Navigation

Overview Trigonometry in the form of triangulation is at the heart of navigation, whether it is by land, sea, or air. GPS systems use triangulation to find and fix positions, extrapolating what is unknown from what is known. Triangulation is also used to measure the distances between earth and distant stars and galaxies, thus aiding…

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