Vocabulary
A symbol that represents an unknown value.
What is a variable?
20 + 14
What is the sum of 20 and 14?
The quotient of 24 and x
What is 24/x?
You can use the expression 5/9 X(F-32) to find a temperature in degrees Celsius when you know the temperature F in degrees Fahrenheit. The temperature of a room is 77° Fahrenheit. What is the temperature of the room in degrees Celsius? Show your work.
25
Evaluate the expression 11+9k+6n
When k=3 and n=2
What is 50?
The number that is being multiplied by the variable.
What is a coefficient?
13-3
What is 3 less than 13?
The difference of w and 7.
Carmen has a bag of p peaches. She adds 10 peaches to the bag. Then she shares all the peaches equally among 5 friends. Write an expression that represents the number of peaches each friend receives. Show your work.
p+10 divided by 5
Demi starts a gardening project with 80 sunflower seeds. She plants 12 of the seeds. Then she gives 5 seeds each to some friends (f). Write the expression.
What is 80-12-5f?
To solve
What is to evaluate?
2n
What is 2 multiplied by n?
The product of n and 12.
What is 12n?
Which algebraic expression represents the statement below? four less than two times a number
2x-4
Name the factors of 10(5y-1)
What is 5y and 1?
a number, a variable, or a product of numbers, variables and/or expressions. Can include an exponent.
What is a term?
10/5
Half of b
1/2b
Evaluate the expression (3[a(4b - c)])
When a=2, b=3, and c=2.8
What is 55.2?
N + 6 = 50
Solve for N
What is 44?
a group of numbers, variables, and/or operation symbols that represents a mathematical relationship.
What is an expression?
y + 6
What is y increased by 6?
The difference of n and 21 is 10
n-21=10
Enrico is going to a department store. T-shirts are on sale for $2 off the regular price, p. The expression
5(p-2) represents the total cost of the T-shirts he buys. What are the factors in the expression?
m - 21 = 43
Solve for m
What is 64?