E


 * E**

Edge- A line where two faces of a polyhedron meet.

Endpoint- A point at the end of a line segment or a ray.

Enlarge- To increase the size of an object or figure.

Equation- A number sentence that contains an = sign.

Equilateral triangle- A triangle that has all three of it's sides at an equal length and all three of its angles have the same measure.

Equivalent fractions-Fractions that have different denominators, but represent the same amount.

Estimate- An answer that is close to the exact answer. Also, to calculate an answer that is close to the exact answer.

Evaluate- To find the value of, or to find value for.

Even number- A whole number that can be evenly divided by 2 with no remainder. The even numbers are 2, 4, 6, 8 and so on. Also, 0 may be considered an even number.

Exponent- A small, raised number in exponential notation that tells how many times the base number is multiplyed by itself.

Exponential notation- A way to show repeated multiplication by the same factor.

Expression- A group of mathmatical symbols that represents a number, or can represent a number if values are assigned to variables in the expression.

Extended multiplication fact- A multiplication fact involving multiples of 10, 100 and so on.