Grow Your Math Brains

Pythagorean Theorum

100

what are the "legs?"

the shortest sides of a triangle.

200

what is the hypotenuse?

the longest side of a triangle.

300

is it a right angle? 

6.8

4.4

3.5

it is a right angle. 

400

is it a right angle? 

7.9

10.8

24.6

it is not a right angle. 

500

find C squared...

A²= 8

B²= 9

C²= ?

C= 12.04

Scientific Notation

100

what is the formula for scientific notation?

A x 10^b

200

convert 3.2 x 10⁰ to standard form. 

3.2

300

convert 4,500 to scientific notation.

4.5 x 10³

400

convert 6.77 x 10^-2 to standard form.

0.0677

500

convert 6,720,000,000 to scientific notation. 

6.72 x 10⁹

Perimeter & Area

100

what is perimeter?

the sum of the sides of a shape.

200

what is area?

the product of two sides of a shape. 

300

find the perimeter of a square:

length= 8in

width= 8in

32 inches

400

find the area of a square:

length= 8in

width= 8in

64 inches

500

find area of a rectangle:

length= 24ft

width= 6ft

144 feet

Fractions

100

what is the top number of a fraction called?

numerator.

200

what is the bottom number of a fraction called?

denomination.

300

what is the reciprocal of 6/24

24/6 

400

simplify 24/144

1/6

500

multiply 7/21 x 16/21

112/441

Algebra

100

what does PEMDAS stand for?

parentheses, exponents, multiplication, division, addition, subtraction. 

200

what is the equation for slope?

y=mx+b

300

what is the difference between parallel and perpendicular lines?

parallel lines never intersect, and perpendicular lines intersect at a right angle.

400

what is 17/79 as a decimal?

21.5%

500

if you roll a number cube and land on a 5, then you flip a coin and get heads. is that independent or dependent?

independent.