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Showing 51 - 60 of 176 Standards

Standard Identifier: 6.EE.4

Grade: 6
Domain: Expressions and Equations

Cluster:
Apply and extend previous understandings of arithmetic to algebraic expressions.

Standard:
Identify when two expressions are equivalent (i.e., when the two expressions name the same number regardless of which value is substituted into them). For example, the expressions y + y + y and 3y are equivalent because they name the same number regardless of which number y stands for.

Standard Identifier: 6.EE.5

Grade: 6
Domain: Expressions and Equations

Cluster:
Reason about and solve one-variable equations and inequalities.

Standard:
Understand solving an equation or inequality as a process of answering a question: which values from a specified set, if any, make the equation or inequality true? Use substitution to determine whether a given number in a specified set makes an equation or inequality true.

Standard Identifier: 6.EE.6

Grade: 6
Domain: Expressions and Equations

Cluster:
Reason about and solve one-variable equations and inequalities.

Standard:
Use variables to represent numbers and write expressions when solving a real-world or mathematical problem; understand that a variable can represent an unknown number, or, depending on the purpose at hand, any number in a specified set.

Standard Identifier: 6.EE.7

Grade: 6
Domain: Expressions and Equations

Cluster:
Reason about and solve one-variable equations and inequalities.

Standard:
Solve real-world and mathematical problems by writing and solving equations of the form x + p = q and px = q for cases in which p, q and x are all nonnegative rational numbers.

Standard Identifier: 6.EE.8

Grade: 6
Domain: Expressions and Equations

Cluster:
Reason about and solve one-variable equations and inequalities.

Standard:
Write an inequality of the form x > c or x < c to represent a constraint or condition in a real-world or mathematical problem. Recognize that inequalities of the form x > c or x < c have infinitely many solutions; represent solutions of such inequalities on number line diagrams.

Standard Identifier: 6.EE.9

Grade: 6
Domain: Expressions and Equations

Cluster:
Represent and analyze quantitative relationships between dependent and independent variables.

Standard:
Use variables to represent two quantities in a real-world problem that change in relationship to one another; write an equation to express one quantity, thought of as the dependent variable, in terms of the other quantity, thought of as the independent variable. Analyze the relationship between the dependent and independent variables using graphs and tables, and relate these to the equation. For example, in a problem involving motion at constant speed, list and graph ordered pairs of distances and times, and write the equation d = 65t to represent the relationship between distance and time.

Standard Identifier: 7.EE.1

Grade: 7
Domain: Expressions and Equations

Cluster:
Use properties of operations to generate equivalent expressions.

Standard:
Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients.

Standard Identifier: 7.EE.2

Grade: 7
Domain: Expressions and Equations

Cluster:
Use properties of operations to generate equivalent expressions.

Standard:
Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. For example, a + 0.05a = 1.05a means that “increase by 5%” is the same as “multiply by 1.05.”

Standard Identifier: 7.EE.3

Grade: 7
Domain: Expressions and Equations

Cluster:
Solve real-life and mathematical problems using numerical and algebraic expressions and equations.

Standard:
Solve multi-step real-life and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies. For example: If a woman making $25 an hour gets a 10% raise, she will make an additional 1/10 of her salary an hour, or $2.50, for a new salary of $27.50. If you want to place a towel bar 9 3/4 inches long in the center of a door that is 27 1/2 inches wide, you will need to place the bar about 9 inches from each edge; this estimate can be used as a check on the exact computation.

Standard Identifier: 7.EE.4.a

Grade: 7
Domain: Expressions and Equations

Cluster:
Solve real-life and mathematical problems using numerical and algebraic expressions and equations.

Standard:
Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities. Solve word problems leading to equations of the form px + q = r and p(x + q) = r, where p, q, and r are specific rational numbers. Solve equations of these forms fluently. Compare an algebraic solution to an arithmetic solution, identifying the sequence of the operations used in each approach. For example, the perimeter of a rectangle is 54 cm. Its length is 6 cm. What is its width?

Showing 51 - 60 of 176 Standards


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