Formulas
What is the formula for the area of a triangle?
A = 1/2(b)(h) OR A=(b)(h)/2
Find the area of a triangle with a base of 6cm and height of 11 cm.
33cm2
You go to the store and find a toy you want for $6.86. It costs 15% less at another store. How much does it cost at the other store?
$5.83
5 x 9
45
Is 3/9 a repeating or terminating decimal?
Repeating - .3...
How do you find perimeter?
Add all side lengths together
What is the area of a rectangle with a length of 18 in and width of 7 in?
126 in2
What are the two ways that you could figure out what something that was discounted by 30%?
Multiply by 70% (.70) or find 30% and subtract
12 x 3
36
Solve the inequality -4 - 8x < 28
x > -4
How do you find area of a rectangle?
A = l x w
Use distributive property to write an equivalent equation to 5(3x - 7)
15x - 35
Find the interest earned when the loan is $4,000 for 5 years at 3.2%.
$640
15 x 9
135
Is this answer going to be negative or positive?
3 x -4 x 4 x -8 x 1 x -9 x 6
Negative
What is the formula for area of a circle?
A=π x r2
What is the circumference of a circle with the radius 6in?
37.68 in2
What is the rate if you got $628 after putting $2,500 in an account and not touching it for 3 years?
8.373... %
23 x 43
989
Solve 75/8
9.375
What is the formula for circumference of a circle?
C = π x d
If it rains 0.4 in. in 30 minutes, how much does it rain in 7 hours?
5.6 in.
A shirt was bought for $8. It was marked up 30% to sell. Then, it was marked down 15% for a sale. How much is the shirt?
$8.84
195 x 264
51,480
Mr. Lara and Ms. Martyn are having dinner at a fancy restaurant. Their bill is $68.20. The restaurant adds on a tax of 7%. Mr. Lara then leaves a 18% tip after tax. What is their total price?
$86.11