A number multiplied by five.
5x
What do you call the number in front of the variable?
eg. 5x
Numerical coefficient
(7) - 3 = 4
When graphing an expression what are the first steps you need to do to your graph.
Label the x and y-axes and label the origin point 0.
Annika biked 37 km this morning and another x km in the evening.
How many kilometres did Annika bike today?
Write your answer as an expression.
37 + x
Eleven minus a number.
11-x
eg. x - 3
Constant
Write the expression for this pattern:
input = figure #, output = # of squares
Figure 1: 4 squares
Figure 2: 5 squares
Figure 3: 6 squares
Figure 4: 7 squares
Figure 5: 8 squares
4 + n -1 OR n + 3
Define: Ordered Pair
The input and output numbers in an algebraic expression (represented as the x and y variables/coordinates).
The expression 1.5t + 20 predicts the height in centimetres of a plant t days from today.
What is the predicted height of the plant 5 days from today?
1.5(5) + 20
7.5 + 20
27.5 centimeters
A number minus eleven.
x - 11
what do x, pi, and A (area) all have in common?
They are variables
Identify the decreasing pattern. (count the number of squares)
Bottom right sequence (-4)
Figure 1: 12
Figure 2: 8
Figure 3: 4
Label the ordered pairs for this graph.
(1,30)
(2,60)
(3,90)
(4,120)
Lois and Clark own a company that sells wagons. The amount they pay each of their sales employees (in dollars) is given by the expression 12h+30w where h is the number of hours worked and w is the number of wagons sold.
What is the amount paid to an employee that works 6 hours and sells 3 wagons?
12h + 30w
12(6) + 30 (3)
72 + 90
162
A number increased by 3 multiplied by two.
2(x+3)
BEDMAS
Solve for 4n + 6 when n = 3, 8, and 9.
4(3) + 6 = 18
4(8) + 6 = 38
4(9) + 6 = 42
How many gallons of water will remain at 3.5 hours

1.5 gallons will remain at 3.5 hours.
Daniel gets a paycheck every 4 weeks. He works x hours each week.
How many hours does Daniel get paid for on each paycheck?
Write your answer as an expression.
Hour 1: 4 x 1
Hour 2: 4 x 2
4x
Seven minus a number divided by 3.
(7-x)/3
Identify all terms in this algebraic expression
4n + 6
4 - numerical coefficient
n - variable
+ - operator
6 - constant
Create the expression for Challenge G.
Figure 1: 2
Figure 2: 5
Figure 3: 10
n^2 + 1
Mr. Loewen is going on a trip across B.C. His car needs to be filled every 120 km. He plans to travel 600 km to get to his destination.
How many times would Mr. Loewen have to fill his car in order to get to his destination?
Create a graph to show the relation.
120n = 600
n = 600/120
n = 5
Eva and Jamir like to bake cookies. Eva baked 24 chocolate chip cookies, and Jamir baked p peanut butter cookies. Together they baked a total of 56 cookies.
Write an equation to describe this situation.
How many cookies did Jamir bake?
24 + p = 56
p = 56 - 24
p = 32