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 squares and square roots, concretely, pictorially and symbolically (limited to whole numbers). • Achievement Indicators: - 8N1.1 Represent a perfect square as a square region using materials, such as grid paper or square shapes. - 8N1.2 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. - 8N1.3 Determine the factors of a given perfect square, and explain why one of the factors is a square root and the others are not. - 8N1.4 Determine the square root of a given perfect square and record it symbolically. - 8N1.5 Determine the square of a given number.