Is each number or expression a perfect square? Explain to your partner how you know.
9
39
121
324
11.2
Activity
Standards Alignment
Building On
Addressing
Building Toward
A-SSE.2
Use the structure of an expression to identify ways to rewrite it. For example, see x4 — y4 as (x²)² — (y²)², thus recognizing it as a difference of squares that can be factored as (x² — y²)(x² + y²).
Solve these equations. Be prepared to explain your reasoning.
11.3
Activity
Standards Alignment
Building On
Addressing
Building Toward
A-SSE.2
Use the structure of an expression to identify ways to rewrite it. For example, see x4 — y4 as (x²)² — (y²)², thus recognizing it as a difference of squares that can be factored as (x² — y²)(x² + y²).
