Patterns of numbers
Expressions
Equations and inequalities
Plane geography and transformations
Others that don't fit in any columns
100
1,4,9, _, _, _
1,4,9, 16, 25, 36
100
Simplify
-8-14+5-(-7)
-8-14+5+7
-22+12
= -10
100
6(1 + 3m) = -8(-2m +5) - 4
m = -25
100
What is the symbol used to tell that angles are equal
≅
100
You buy 7 books for $42 US. Find the unit rate in dollars per book.
$6 per book
200
1,5,9,13,17,21
What is the recursive pattern of this set?
add 4 each time
200
Simplify
Answer = -6
200
-3a - 5 + 2 ≥ 9
Is this graph right?
Yes it is right
200
What are all the alternate interior angles in this?
angle 4 and angle 6
angle 5 and angle 3
200
Solve this proportion for x
x = 40
300
2,4,8,16,32
What is the explicit pattern?
2x
300
Simplify
3x - 5x2 + 2x - x2 + 7
-6x2 + 5x +7
300
x = 1/2
300
Find the angle supplementary to 127 degrees
180 - 127
= 53 degrees
300
Zoe earns $20 per hour. After a pay raise she will earn $24 per hour. Calculate the percentage increase in her pay.
20% increase
400
3,5,7,9,11,13
What is the explicit pattern?
2x +1
400
Simplify
-3x * 4x2
-12x3
400
y = 9
400
If angle 2 is 70 degrees, then what is angle 7?
angle 7 ≅ 110 degrees
400
What is the area of a circle with a diameter of 14cm?
154cm2
500
Bubba had 3 chocolates on the first day, 9 chocolates on the second day, 27 chocolates on the third day.
How many chocolates will he have on the 25th day?(in exponential form)
3 to the power of 24
500
Simplify
(2x - 3)(4x + 1)
8x2 + 2x - 12x - 3
= 8x2 - 10x - 3
500
Define a variable, write an equation and solve it and give units.
You have 20 US nickel coins, all nickels (50 cents) and dimes (10 cents). If you have a total of $1.35, how many of each coin do you have?
nickels = n
dimes = 20 - n
10(20-n) + 5n = 135
n = 13
Answer:
Nickels = 13 coins
Dimes = 7 coins
500
What is angle x?
angle x ≅ 110 degrees
500
A sweater normally costs $120, but it is on sale right now at 18% off. But there is an 8% shipping fee to get it here. How much will you pay for this sweater?
$106.27