Download PAlg2 1.3 - Defiance City Schools

Five-Minute Check (over Lesson 1–2)
CCSS
Then/Now
New Vocabulary
Example 1: Verbal to Algebraic Expression
Example 2: Algebraic to Verbal Sentence
Key Concept: Properties of Equality
Example 3: Identify Properties of Equality
Key Concept: Addition and Subtraction / Multiplication and
Division Properties of Equality
Example 4: Solve One-Step Equations
Example 5: Solve a Multi-Step Equation
Example 6: Solve for a Variable
Example 7: Standardized Test Example
Content Standards
A.CED.1 Create equations and inequalities in
one variable and use them to solve
problems.
Mathematical Practices
3 Construct viable arguments and critique
the reasoning of others.
8 Look for and express regularity in repeated
reasoning.
You used properties of real numbers to
evaluate expressions.
•  Translate verbal expressions into algebraic
expressions and equations, and vice versa.
•  Solve equations using the properties of
equality.
Verbal to Algebraic Expression
A. Write an algebraic expression to represent the
verbal expression 7 less than a number.
Verbal to Algebraic Expression
B. Write an algebraic expression to represent the
verbal expression the square of a number
decreased by the product of 5 and the number.
A. Write an algebraic expression to represent the
verbal expression 6 more than a number.
A. 6x
B. x + 6
C. x6
D. x – 6
B. Write an algebraic expression to represent the
verbal expression 2 less than the cube of a number.
A. x3 – 2
B. 2x3
C. x2 – 2
D. 2 + x3
Algebraic to Verbal Sentence
A. Write a verbal sentence to represent 6 = –5 + x.
Algebraic to Verbal Sentence
B. Write a verbal sentence to represent 7y – 2 = 19.
A. What is a verbal sentence that represents the
equation n – 3 = 7?
A. The difference of a number
and 3 is 7.
B. The sum of a number and
3 is 7.
C. The difference of 3 and a
number is 7.
D. The difference of a number
and 7 is 3.
B. What is a verbal sentence that represents the
equation 5 = 2 + x?
A. Five is equal to the difference
of 2 and a number.
B. Five is equal to twice a
number.
C. Five is equal to the quotient
of 2 and a number.
D. Five is equal to the sum of
2 and a number.
Identify Properties of Equality
A. Name the property illustrated by the statement.
a – 2.03 = a – 2.03
Identify Properties of Equality
B. Name the property illustrated by the statement.
If 9 = x, then x = 9.
A. What property is illustrated by the statement?
If x + 4 = 3, then 3 = x + 4.
A. Reflexive Property of
Equality
B. Symmetric Property of
Equality
C. Transitive Property of
Equality
D. Substitution Property of
Equality
B. What property is illustrated by the statement?
If 3 = x and x = y, then 3 = y.
A. Reflexive Property of
Equality
B. Symmetric Property of
Equality
C. Transitive Property of
Equality
D. Substitution Property of
Equality
Solve One-Step Equations
A. Solve m – 5.48 = 0.02. Check your solution.
Solve One-Step Equations
A. What is the solution to the equation x + 5 = 3?
A. –8
B. –2
C. 2
D. 8
B. What is the solution to the equation
A. 5
B.
C. 15
D. 30
Solve a Multi-Step Equation
Solve 53 = 3(y – 2) – 2(3y – 1).
What is the solution to 25 = 3(2x + 2) – 5(2x + 1)?
A. –6
B.
C.
D. 6
Solve for a Variable
A
B
C
D
1.3 HW:
P. 22
22-34E, 39-48, 71-74