1.
A rule to find the length of a side in a right triangle.
2.
The long side opposite the right angle of a triangle.
3.
The two shorter sides of a right triangle that form the right angle.
4.
An angle that is exactly 90 degrees, like the corner of a square.
5.
A statement that two expressions are equal (such as 8 + 3 11).
6.
A number that, when multiplied by itself, gives the original number.
7.
The amount of space between two points.
8.
A shape with three sides and three angles.
9.
A straight line that forms part of a shape or figure.
10.
A location in space with no size or dimension, often represented by a dot.
11.
A shape with four equal sides and four right angles. Also a number multiplied by itself.
12.
To combine two or more numbers or amounts.
13.
To take away one number from another.
14.
When two things are the same in value or amount.
