Geometry
Algebraic Expressions
Algebraic Equations
Order of Operations
Potpourri
100
A square has a perimeter of 20 cm. What is the length of each side?
5 cm
100
Find an equivalent expression.
12x - 4x + 3
8x+3
100
2x+3=9
x=3
100
25-13+3
15
100
Write an integer for each situation:
a. a profit of $27
b. 3 points lost
c. 60 feet below sea level
a. 27
b. -3
c. -60
200
What is the area of a triangle with a base of 9 in and a height of 12 inches?
Use the formula:
A=1/2bh
54 square inches
200
2a+3b-4a+5b
-2a+8b
200
4y+8=28
y=5
200
72 + 6 x 2
61
200
Multiply.
a. 27(-3)
b. (-3)3
c. -4(8)-(-5)a. -81
b. -27
c. -27
300
A circle has a radius of 6 cm. What is the circumference of the circle?
Use the formula:
C=2pir
37.7 cm
300
6(2x-3)+5x+1
17x -17
300
3x-2x-7=5
x=12
300
9+8*3-(5*2)
23
300
Reflect the point (6, -5) over the x-axis.
(6,5)
Keep the x-coordinate and use the opposite of the y-coordinate.
400
If the dimensions of a rectangular prism is 8 x 5 x 10, what is the Surface Area?
Use the formula:
S.A. = 2(lw + hw + hl)
340 square units
400
2x+7y+14(2y-1)
2x+35y-14
400
2(3x+4)-12x=-10
x=3
400
Simplify the following expression:
11+15(2-3) -26*2
-56
400
Find the mean, median, mode and range of the following set of numbers. (Remember to put them in order first)
{58,54,60,56,52,60,58}
52,54,56,58,58,60,60
Mean: 57
Median: 58
Mode: 58, 60
Range: 8
500
Find the area of the figure:
200.5 m2
500
-3(3x-4) + 9x -11
1
500
3(x+5) - 2(2x-3) - 5x+5=2
x=4
500
Eduardo is 16 years old. Eduardo’s dad takes him and his younger sister to a soccer match. Tickets are $17 for adults and $13 for children (18 and under). Write an expression for the total cost of the tickets. What is the total cost of the tickets?
$17 + 2 x $13
$43
500
Lionel is buying a computer that normally sells for $890. The state sales tax rate is 6%. What is the total cost of the computer including sales tax?
$943.40