Mathematics

A. Number Sense, Concepts, and Operations: 3. The student understands the effects of operations on numbers and the relationships among these operations, selects appropriate operations, and computes for problem solving.: 6-8: The student...

MA.A.3.3.1 Add Website - Add Activity

understands and explains the effects of addition, subtraction, multiplication, and division on whole numbers, fractions, including mixed numbers, and decimals, including the inverse relationships of positive and negative numbers.

Activity: Area vs. Perimeter

MA.A.3.3.2 Add Website - Add Activity

selects the appropriate operation to solve problems involving addition, subtraction, multiplication, and division of rational numbers, ratios, proportions, and percents, including the appropriate application of the algebraic order of operations.

MA.A.3.3.3 Add Website - Add Activity

adds, subtracts, multiplies, and divides whole numbers, decimals, and fractions, including mixed numbers, to solve real-world problems, using appropriate methods of computing, such as mental mathematics, paper and pencil, and calculator.

Lesson plans for problem solving http://www2.hawaii.edu/suremath/lessonPlans/lpMenu.html