America College Testing (ACT) Science

Math Problem Mid-Term Exam
HTCS8/ACT Math Formulas

8w+10y4
- find/combine like terms
4w+5y2+4w+5y2

18y
- find/combine like terms
6y-6y+9y+9y

7u+7y-6w4
- find/combine like terms
7u+7y-3w2+3w2

20
- a=3 b=1 c=5
6(a)(b)+7-c

48
- a=8 b=0 c=2
8(c)-7(b)+a(4)

31.4cm2
- find the area of a circle with the radius of 5cm.

43.96cm
- find the circumference with the radius of 7cm.

56.52cm2
- find the area of a circle with the radius of 9cm.

9.42cm
- find the circumference with the diameter of 3cm.

14in
- find the area of the triangle with the base of 4in and the height (added) of 7in.

3.5in
- find the area of the triangle with the height (added) 1in and the base 5in.

, ...
- find the surface area with the height of 4cm, the base of 6cm, and the side of 6cm.

...
- find the surface area with the height of 7cm, the base of 5cm, and the side of 3cm.

2, 3, 5, 7, 11
- list the first 5 prime numbers

1
- which number is neither prime nor composite?

...
- find the median of the following numbers:
10, 12, 3, 12, 5, 9, 8, 4, 3, 3, 5, 7, 6, 4

...
- find the mean of the following numbers:
10, 12, 3, 8, 3, 4, 2, 1, 12, 10, 10

...
- find the mode of the following numbers:
10, 12, 3, 12, 5, 9, 8, 4, 3, 3, 5, 7, 6, 4

...
- find the range of the following numbers:
10, 12, 3, 8, 3, 4, 2, 1, 12, 10, 10

...
- find the area of the circle with the radius of 9cm.

...
- find the area of the circle with the diameter of 4cm.

median
- the number that is in the middle.

mode
- the number that occurs the most.

range
- the difference of the least and most numbers.

mean
- the average of all the numbers.