Vocabulary/Extra Word Problems
A ________ of an unknown number represented by a letter.
variable
What is the rule?
1, 11, 21, 31
Add 10
Evaluate the expression for the given value of the variable.
9x when x = 7
63
Write the product as a power.
12 x 12 x 12 x 12
124
18 - 2 - 6 + 5
15
The ______ of a rectangle is the entire inside measurement.
area
What is the rule?
8, 20, 32, 44
Add 12
Evaluate the expression for the given value of the variable.
t-3 when t = 11
8
Write the product as a power.
9 x 9
12 + 3 x 6
30
What are the two parts of a power? Give an example of a power and identify each part.
Base & Exponent
What is the rule?
320, 160, 80, 40
Divide by 2
Evaluate the expression for the given value of the variable.
y/8 when y = 40
5
Solve.
102
100
50 - 2 x 10 + 4
34
You take a ferry boat a distance of 80 miles to get to an island. If the trip takes you 2 hours, at about what speed does the ferry boat travel?
40 m/hr
What is the rule & the next 2 numbers?
25, 50, 100, 200, ____, ____
Multiply by 2, 400, 800
Evaluate the expression for the given value of the variable.
10p when p = 16
160
Solve.
25
32
3 (15/3)2
75
The area of a rectangle rug is 24 square feet. The perimeter of the rug is 20 feet. Find the length and width of the rug.
6ft, 4ft
Draw out the next pattern based on what is found on the board
See image
The cost of doing 4 loads of laundry can be found by evaluating the expression 4(w+d), where w is the cost of doing one load in the washer and d is the cost of doing one load in the dryer. Find the cost of doing 4 loads of laundry when w = $2 and d = $1.
$12
Write the expanded form and then solve.
33
3 x 3 x 3
27
14 + 42 / 2
22