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Course 2, Lesson 28, Two-step Word Problems/Average, Pt. 1

Course 2, Lesson 28, Two-step Word Problems/Average, Pt. 1

Author: Hector Soto

1. Make sense of problems and persevere in solving them. 2. Model with mathematics. 3. Look for and express regularity in repeated reasoning. 4. Represent proportional relationships by equations. 5. Understand that integers can be divided, provided that the divisor is not zero, and every quotient of integers (with non-zero divisor) is a rational number. If p and q are integers, then -(p/q) = (-p)/q = p/(-q). Interpret quotients of rational numbers by describing real-world contexts. 6. Apply properties of operations as strategies to multiply and divide rational numbers. 7. Solve real-world and mathematical problems involving the four operations with rational numbers. 8. 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.

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Two-step Word Problems and Average, Pt. 1

Source: Deanna Ray