Unit 1

The Number System & Roots

Irrational numbers, rational approximations, and square and cube roots. Algebra I later uses these properties when classifying sums and products.

Grade 8 State Test

Essential question: How do we locate and compare numbers that never terminate or repeat?

A rational number can be written as a ratio of integers. Irrational numbers have non-terminating, non-repeating decimal expansions.

NY-8.NS.1 · AI-N.RN.3

Trap a square root between consecutive integers, then refine with decimals.

NY-8.NS.2 · NY-8.EE.2