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# Math Curriculum

## Level D Units

Click on the tabs below to view the key lessons for each unit of CCRS Level D. Within each key lesson, you will find related lessons that support the key lesson’s topic. Some key lessons below are labeled as “optional.” Instructors with a faster-paced class that only needs to review major concepts might skip these lessons, while instructors whose students need more thorough coverage and review of the content or that have not completed a related unit might use these optional lessons.

### Lesson Topic

6.2.2 (Optional) Understanding ratios
6.2.5 Equivalent ratios
6.2.8 (Optional) Introduction to unit rate concepts
6.2.9 (Optional) Introduction to unit rate concepts
6.2.12
6.3.2 (Use Some or All) Converting measurements
6.3.3 (Use Some or All) Converting measurements
6.3.4 (Use Some or All) Converting measurements
6.3.6 (Optional) Unit rate
6.3.7 Equivalent ratios and unit rate
7.2.2 Constant of proportionality
7.2.3 Constant of proportionality
7.2.4 Proportional relationships and equations
7.2.10 Graph proportional relationships
7.2.12 Compare proportional relationships graphically

### Lesson Topic

6.3.11 Double number lines with percents
6.3.13 (Optional) Benchmark percentages
6.3.15 General percent rules
6.3.16 General percent rules
7.4.4 (Optional) Fractional increase and decrease
7.4.5 (Optional) Fractional increase and decrease
7.4.8 Representing percent change with equations
7.4.10 Percent applications
7.4.11 Percent applications
7.4.12 Percent applications

### Lesson Topic

6.7.4 Ordering rational numbers
6.7.7 Comparing numbers and distance from zero
7.5.6 Subtract signed numbers
7.5.9 Multiply signed numbers
7.5.11 Divide signed numbers
6.7.11 (Use Some or All) Four-quadrant coordinate plane
6.7.15 (Use Some or All) Draw polygons on the coordinate plane

### Lesson Topic

7.5.15 Solve equations with rational numbers
7.6.5 (Optional) Connect situations with equations and diagrams
7.6.7 Balancing to solve equations (part 1)
7.6.8 (Use Some or All) Balancing to solve equations (part 2)
7.6.11 (Use Some or All) Solve word problems with equations
7.6.14 Representing inequalities
7.6.15 (Use Some or All) Solving inequalities
7.6.19 Distributing with negatives
7.6.22
Combining like terms

### Lesson Topic

6.8.2 (Use Some or All) Statistical questions
6.8.5 Using dot plots to describe data
6.8.7
Using histograms to describe data
6.8.9
Mean

Used with permission:

1. IM K-5 Math was originally developed by Open Up Resources (OUR) and authored by Illustrative Mathematics® (IM), and is copyrighted 2017-2019 by Open Up Resources. It is licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). OUR's K-5 Math Curriculum is available at https://openupresources.org/math-curriculum/.