Numbers and Operations

Lessons About Numbers and Operations

The second domain of the CRCT test is the Numbers and Operations domain. The following lessons address some of the required mathematical topics and concepts. All of them are based on the 8th grade GPS Standards. Click on the following links to view each lesson.

Finding square roots of perfect squares

(GPS Standard M8N1a)

Recognizing the positive square root of a number as a length of a side of a square with a given area

(GPS Standard M8N1b)

Graphing square roots as points on a number line

(GPS Standard M8N1c)

Simplifying square roots

(GPS Standard M8N1g)

Adding and subtracting expressions with square roots

(GPS Standard M8N1g)

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