21 Smart Board Slides to teach, drill, quiz, and test for Math Standard M3A1 Students will use mathematical expressions to represent relationships between quantities and interpret given expressions.
a. Describe and extend numeric and geometric patterns.
b. Describe and explain a quantitative relationship represented by a formula (such as the perimeter of a geometric figure).
c. Use a symbol, such as Ãï¿½ and Ãƒï¿½, to represent an unknown and find the value of the unknown in a number sentence.