Math Curriculum
Level C Units
Click on the tabs below to view the key lessons for each unit of CCRS Level C. 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.
Click on the hyperlinked lesson description to learn more about each key lesson. The numbers show the grade, unit, and lesson number of the lesson.
- Number Base Ten (Whole Numbers)
- Number Base Ten (Decimals)
- Fractions (Equivalency, Addition, and Subtraction)
- Fractions (Multiplication and Division)
- Geometry
- Operations and Algebraic Thinking
- Data
Key Lesson |
Lesson Topic |
4.4.19 (Optional) | Composing and decomposing with the standard addition or subtraction algorithms |
4.4.21 (Optional) | Subtraction with zeros using the standard algorithm |
4.6.8 | Multiplication 2×2, area models |
4.6.15 | Division using the area model |
5.4.4 | Standard algorithm one-digit x multi-digit |
5.4.6 | Multi-digit x multi-digit composing |
5.4.12 | Partial quotient algorithm with two-digit divisors |
Key Lesson |
Lesson Topic |
5.5.9 | Compare and order decimals to thousandths |
5.5.12 (Optional) | Add decimals |
5.5.15 (Optional) | Subtract decimals |
5.5.20 (Optional) | Multiply decimals (tenths and hundredths) |
5.5.22 (Optional) | Divide whole numbers by 0.1 and 0.01 |
6.5.4 | Adding and subtracting decimals |
6.5.8 | |
6.5.10 | Long division with whole numbers |
6.5.11 (Use some or all) | Decimals in the quotients |
6.5.12 (Use some or all) | Dividing decimals by whole numbers |
6.5.13 | Dividing decimals by decimals |
Key Lesson |
Lesson Topic |
4.2.6 | Relating fractions to benchmarks |
4.2.10 | Using multiples to find equivalent fractions |
4.2.15 | Finding a common denominator |
4.3.12 | Adding and subtracting with like denominators |
5.6.10 | Add and subtract fractions with unlike denominators |
5.6.11 | Subtracting fractions and mixed numbers with decomposing |
Key Lesson |
Lesson Topic |
4.3.4 (Optional) | Multiplying fractions by whole numbers |
5.2.5 | Fractions and division (in the context of multiplying fractions by whole numbers) |
5.2.13 | Area models and properties of operations |
5.3.3 (Optional) | Multiplying unit fractions |
5.3.7 | Multiplying fractions |
5.3.12 | Divide unit fractions by whole numbers |
5.3.14 | Divide whole numbers by unit fractions |
6.4.11 | Division algorithm |
Key Lesson |
Lesson Topic |
4.7.4 (Use Some or All) | Parallel and intersecting lines |
4.7.12 (Use Some or All) | Types of angles |
5.1.6 | Using the volume formula |
5.7.3 | Plotting points on the plane |
6.1.3 | Decomposing and rearranging to find area |
6.1.6 | Area of parallelograms |
6.1.9 |
Finding the area of triangles |
6.1.11 |
Area of polygons |
Key Lesson |
Lesson Topic |
4.6.4 (Optional) | Numerical and pictoral patterns |
6.6.4 | Choosing and solving equations |
6.6.6 | Write expressions that involve numbers, operations, and letters representing a numerical value |
6.6.10 | Distributive property |
6.6.14 | Evaluating expressions with exponents |
6.6.15 (Use Some or All) | Exponential expressions |
Key Lesson |
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/.
2. Adaptations and updates to IM K-5 Math are copyrighted 2019 by Illustrative Mathematics®, and are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).
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