1. Make sense of problems and persevere in solving them. 2. Construct viable arguments and critique the reasoning of others. 3.
Attend to precision. 4. Solve real-world and mathematical problems involving the four operations with rational numbers. 5. Solve multi-step real-life and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies.
6. Solve real-world and mathematical problems involving area, volume and surface area of two- and three-dimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms.