Geometry
A polygon has an interior angle sum of 1,260 degrees.
Using the formula
S=180(n−2)
how many sides does the polygon have?
9 sides
What is the greatest common factor of 48 and 64?
16
Subtract:
1/2 - 0.3
0.2; 2/10; 1/5
What number is 25% of 80?
20
3:4
?:12
9
Two angles are supplementary. One angle measures 68°.
112 degrees
Evaluate:
43
64
Solve and put in simplest form:
1/10 ÷ 1/5
1/2
What is 40% as a:
1) Fraction in simplest form
2) Decimal
1) 2/5
2) 0.4 or 0.40
Eli has a cube with sides numbered 1–6 and a spinner with 3 equal sections labeled A, B, and C. He rolls the cube and spins the spinner. How many outcomes are possible?
18 outcomes
A triangle has a height of 25 feet. The length of its base is 12 feet. What is the area of the triangle? (LABEL)
150 ft2
An expression is shown.
4 + 3(6+10) ÷ 2
What is the value of the expression?
28
Add.
45.908 + 3.26
49.168
Find 30% of 30
9
Jacob has red, yellow, and green shirts; black and tan shorts; and white and brown shoes. How many different outfits can Jacob wear with a shirt, shorts, and shoes?
12 outfits
A trapezoid has a height of 7 cm. The bottom base is 6 cm longer than the top base. The top base measures 9 cm.
What is the area of the trapezoid?
84 cm squared
Solve for b.
5b + 15 = 30
b=3
2.45 * 1.7
4.165
Find the total cost with tax.
$99 camera; 5% sales tax
$103.95
CALCULATOR: A bottle of soap costs $3.45 for 64 ounces. What is the cost per ounce?
$0.05 per ounce
CALCULATOR: The surface area of a cube is 384 square inches. What is the volume of the cube?
A. 8 cubic inches
B. 16 cubic inches
C. 256 cubic inches
D. 512 cubic inches
D. 512 cubic inches
An equation is shown.
j=7k+5
When the value of k increases by 2, by what amount does the value of j increase?
A. 2
B. 9
C. 12
D. 14
D. 14
2 and 1/2 * 1 and 1/4
3 and 1/8
Riley has 200 stamps.
• 35% are from Europe.
• 10% are from Asia.
• 20% are from Australia.
The rest of the stamps are from North America.
How many of Riley’s stamps are from North America?
A. 35
B. 65
C. 70
D. 130
C. 70
Kelly makes 12 candles in 3 hours. Lee makes 6 candles in 1 hour. What is the difference in the numbers of candles they each make in 8 hours?
A. 2
B. 8
C. 16
D. 48
C. 16