Read less about Core Connections, Course 2. The Core Connections courses are built on rich, meaningful problems and investigations that develop conceptual understanding of the mathematics and establish connections among different concepts. The lesson problems are non-routine and team-worthy, requiring strategic problem solving and collaboration.
The D’s stand for Describe, Define, Do, Decide, and Declare. When students use the 5-D process, it provides a record of the student’s thinking. The patterns in the table lead directly to writing algebraic equations for the word problems.
On a daily basis, students in Core Connections, Course 2 use problem-solving strategies, questioning, investigating, analyzing critically, gathering and constructing evidence, and communicating rigorous arguments justifying their thinking.
96 Core Connections, Course 2 Answers 1. 16 cm 2. 27 inches 3. 183 4 feet 4. $13.00 5. 80 6. 105 7. 662 3 8. !21 4 9. $47.40 10. $31.86 11. $31.60 12. $157,500 Parent Guide with Extra Practice 97 EQUATIONS WITH FRACTIONAL COEFFICIENTS