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FTCE Numbers, Data & Expressions Flashcards

FTCE Numbers, Data & Expressions Flashcards
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Variable
A variable represents an unknown mathematical value. It is often depicted as 'x.'
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Number Sentence
A number sentence is a series of numbers, mathematical operations, and an equal sign. Number sentences give us mathematical information, i.e. 3 + 4 = 7.
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Bar Graph
A bar graph displays information by using bars to represent individual pieces of information, or data.
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Line Graph
A line graph displays information by using a line to connect individual points of data.
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Legend
A legend is the key or code that we use to interpret the information on a graph or chart.
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Table
Tables are sets of numbers arranged into columns (vertical) and rows (horizontal). Tables are used as a visual way to display information.
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Graph
A graph is a visual depiction of data that uses a line drawn between two points.
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Chart
A chart represents data in a visual way. It is a way to show the relationships between numbers.
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16 cards in set

These flashcards introduce students to the basic concepts involved in interpreting numbers, data, and algebraic expressions. Students will learn how to read graphs, charts, and tables. They will also learn the important pieces of graphs, charts, and tables, such as the legend, title, and headings. In addition to a review of charts, students are introduced to number sentences and basic algebraic expressions. Students will review how to solve for a variable in an equation, as well as learn how to remember the order of operations.

Front
Back
Chart
A chart represents data in a visual way. It is a way to show the relationships between numbers.
Graph
A graph is a visual depiction of data that uses a line drawn between two points.
Table
Tables are sets of numbers arranged into columns (vertical) and rows (horizontal). Tables are used as a visual way to display information.
Legend
A legend is the key or code that we use to interpret the information on a graph or chart.
Line Graph
A line graph displays information by using a line to connect individual points of data.
Bar Graph
A bar graph displays information by using bars to represent individual pieces of information, or data.
Number Sentence
A number sentence is a series of numbers, mathematical operations, and an equal sign. Number sentences give us mathematical information, i.e. 3 + 4 = 7.
Variable
A variable represents an unknown mathematical value. It is often depicted as 'x.'
Equation
An equation is a number sentence with a variable, or unknown number. Here is an example: 4x + 2 = 14.
Algebraic Expression
An algebraic expression is a written sequence that may include numbers, mathematical operators, and variables. Unlike equations, algebraic expressions do not have equal signs.
Order of Operations
The order of operations tells us which mathematical operations (multiply, divide, etc) to perform first when solving a problem.
PEMDAS
PEMDAS helps us remember the order of operations in math: parentheses, exponents, multiply, divide, add, subtract. You can also remember this by saying 'Please Excuse My Dear Aunt Sally.'
Evaluating Algebraic Expressions
To evaluate an algebraic expression, we substitute a number for a variable and solve the problem. For example, solve 3x + 2 when x=5. Substituting 5 for x, we get 3(5) + 2, which equals 17.
Title (of a graph or chart)
The title gives the name and a short explanation of what is being shown in a graph, table, or chart.
Heading (of chart, graph, or table)
The heading of a chart, graph, or table tell us what kind of information is being given in a particular section, such as a column or row.
Label (of chart, graph, or table)
A label helps define specific pieces of information on a chart, graph, or table.

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