Bookmark

Sign up or login to use the bookmarking feature.

Teacher Tips and Answers

Page 563

Denominator

A degree is a unit of measurement for angles and arcs. It is written as a small circle [°]. You can write 90° or 90 degrees. There are 360 degrees in a circle.

The denominator is the bottom number of a fraction. In the fraction 1/3, the denominator is 3. It indicates the number of parts needed to make a whole unit.

Diagonal and Diameter

A diagonal is a line from one vertex (corner) of a quadrilateral to the opposite vertex.

The diameter is the length of a straight line through the center of a circle.

A dividend is a number to be divided. In the equation 12 ÷ 2 = 6, 12 is the dividend.

© 2025 Thoughtful Learning. Copying is permitted.

k12.thoughtfullearning.com