What is the coefficient of the following term: -10m
-10
100
Identify the like terms in the following expression:
-4x + 5 + 3y + 10x
-4x, 10x
100
The inverse of subtraction is...
addition
100
How many terms are in the following equation?
5x + 3y + L + 10 = 7x
5
100
State a pair of opposites
Answers will vary
200
What is the coefficient of the following term: x
1
200
True or False:
The value of 3x, given x = 10, is 13.
False, the coefficient 3 is being multiplied by 10. The correct answer is 30
200
State the opposite of -20
20
200
Given the following equation, identify the coefficient.
10 + 9x = -7
9
200
Which of the following is an expression?
A) 4x + 10 = 5
B) 8y + y + 7
B) An expression is a mathematical sentence which does not show equality
300
Given the following expression, 10 + 9x, the coefficient of the first term is 10. True or false. Explain your answer.
False, a coefficient must be next to (multiplied by) a variable
300
Identify the constant terms in the following expression:
9x - 3x + y + 7 = -8
7, -8
300
State the inverse operation of division
Multiplication
300
What is the value of the variable in the following equation: 5x = 30
x = 6
300
Explain the difference between a constant term and a variable term.
Constant: A fixed value
Variable: An unknown value that can change
400
Explain why -7x and -7y are NOT like terms
x and y are not the same variable
400
Identify a term that is NOT like the following term: -9c
Answers will vary
400
In the following expression, are there any like terms?
-8x - 8
No, -8x has a variable
400
What is the variable's value in the following equation?
x - 10 = 15
x = 25
400
What property does the following equation illustrate?
3(x + 2) = 3x + 6
Distributive Property
500
Create your own equation:
Must include 4 terms in total, 2 like terms, 4 as a coefficient, a constant term of 8
Answers will vary:
Ex) 4x + 3x + 8 = 10
500
Is x = 3 a SOLUTION to the equation?
2x + 2 = 10
No, it would say 8 = 10
500
Write a mathematical expression which represents the amount of money I earned last week.
Last week I earned $20 for walking a neighbor's dog. Then I earned an unknown amount for babysitting my cousin.
20 + x
(Any variable would be acceptable)
500
Write an expression which represents the temperature at 1 pm.
At 10am, the temperature outside was 15 degrees Fahrenheit. By 1pm, the temperature decreased by an unknown amount.
15 - y
(Any variable would be acceptable)
500
Create your own equation. Must include: 5 terms total, 3 like terms, a coefficient of 1, a constant term of 9