Integrated Math
C
HW 7.4 IA Review
Name:
Date:
Directions: Identify the terms that match the given definition/examples.
1)
Term
Definition
Example
-x and 4x
or
2
2 x and 3x 2
Terms that have the same variable parts
a term that has a fixed number but no variable
the 2 in 3x  2
the parts of an expression that are added
(subtracted) together
the number part of a term that is multiplied by
a variable
the circled parts in
3x  2
a letter used to represent one or more numbers
Addition, subtraction, multiplication, and
division
A mathematical phrase that combines
operations, numbers, and/or variables
   
3x  2
Directions: Solve each problem. Box your answer.
25.24  0.004
3)
x
3  2  3  2
Two expressions that have the same value
2)
the 3 in 3x
(5 j 8 z)3
4) Convert to scientific notation:
5)
3  7 1 5  8
2
34,210,000,000
Directions: Translate each written expression into an algebraic expression. Then solve
the equation for the unknown value. Don’t forget to define your variable.
6) Fourteen less than five times a number is three times the number.
Equation: _______________________
Solve:
7) Twelve more than seven times a number equals the number less six.
Equation: _______________________
Solve:
Use the Solve – Explain – Justify Table to solve an equation
8)
Solve
Explain
Justify
Explain
Justify
3x – 32 = –7x + 28
9)
Solve
t – 27 = 4t
*Multiplicative Identity Property
*Additive Identity Property
*Multiplicative Inverse Property
* Algebraic definition of subtraction
*Additive Inverse Property (AKA Property of Opposites) *Distributive Property
*Multiplication Property of Equality
*Division Property of Equality
*Addition Property of Equality
*Subtraction Property of Equality
10) MUSIC Yohannes has 45 CDs in his collection, and Edmund has 61. If
Yohannes buys 4 new CDs each month and Edmund buys 2 new CDs each
month, after how many months will Yohannes and Edmund have the same
number of CDs?
*Hint:
Yohannes: 45 + _____
Edmund: 61 + ______
STANDARDIZED TEST PREP
It’s worth the practice. “Don’t believe me, just watch!”