Grade 8 - Number
Standard 8.N.1 - Practice substituting in numbers to evaluate variable expressions with squares and square roots.
Included Skills: Algebra, Number Properties
Demonstrate an understanding of perfect square and square root, concretely, pictorially and symbolically (limited to whole numbers). Students who have achieved this outcome should be able to: A. Represent a given perfect square as a square region using materials, such as grid paper or square shapes. B. Determine the factors of a given perfect square, and explain why one of the factors is the square root and the others are not. C. Determine whether or not a given number is a perfect square using materials and strategies, such as square shapes, grid paper or prime factorization, and explain the reasoning. D. Determine the square root of a given perfect square and record it symbolically. E. Determine the square of a given number.