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**Note:** The Iowa Core Essential Elements are intended only for students with significant cognitive disabilities and who participate in alternate assessments.

## The Number System (EE.8.NS)

### Know that there are numbers that are not rational, and approximate them by rational numbers. (EE.8.NS.A)

- Subtract fractions with like denominators (halves, thirds, fourths, and tenths) with minuends less than or equal to one. (EE.8.NS.A.1)
- (EE.8.NS.A.2)
- Express a fraction with a denominator of 100 as a decimal (EE.8.NS.A.2.a).
- Compare quantities represented as decimals in real-world examples to hundredths (EE.8.NS.A.2.b).

## Expressions and Equations (EE.8.EE)

### Work with radicals and integer exponents. (EE.8.EE.A)

- Identify the meaning of an exponent (limited to exponents of 2 and 3). (EE.8.EE.A.1)
- Identify a geometric sequence of whole numbers with a whole number common ratio. (EE.8.EE.A.2)
- Compose and decompose whole numbers up to 999. (EE.8.EE.A.3)
- Compose and decompose whole numbers up to 999. (EE.8.EE.A.4)

### Understand the connections between proportional relationships, lines, and linear equations. (EE.8.EE.B)

- Graph a simple ratio by connecting the origin to a point representing the ratio in the form of y/x. For example, when given a ratio in standard form (2:1), convert to 2/1, and plot the point (1,2). (EE.8.EE.B.5)
- Graph a simple ratio by connecting the origin to a point representing the ratio in the form of y/x. For example, when given a ratio in standard form (2:1), convert to 2/1, and plot the point (1,2). (EE.8.EE.B.6)

### Analyze and solve linear equations and pairs of simultaneous linear equations. (EE.8.EE.C)

- Solve simple algebraic equations with one variable using addition and subtraction. (EE.8.EE.C.7)
- Not applicable. See EE.8.EE.5-6. (EE.8.EE.C.8)

## Functions (EE.8.F)

### Define, evaluate, and compare functions. (EE.8.F.A)

- Given a function table containing at least 2 complete ordered pairs, identify a missing number that completes another ordered pair (limited to linear functions). (EE.8.F.A.1)
- Given a function table containing at least 2 complete ordered pairs, identify a missing number that completes another ordered pair (limited to linear functions). (EE.8.F.A.2)
- Given a function table containing at least 2 complete ordered pairs, identify a missing number that completes another ordered pair (limited to linear functions). (EE.8.F.A.3)

### Use functions to model relationships between quantities. (EE.8.F.B)

- Determine the values or rule of a function using a graph or a table. (EE.8.F.B.4)
- Describe how a graph represents a relationship between two quantities. (EE.8.F.B.5)

## Geometry (EE.8.G)

### Understand congruence and similarity using physical models, transparencies, or geometry software. (EE.8.G.A)

- Recognize translations, rotations, and reflections of shapes. (EE.8.G.A.1)
- Identify shapes that are congruent. (EE.8.G.A.2)
- Not applicable. (EE.8.G.A.3)
- Identify similar shapes with and without rotation. (EE.8.G.A.4)
- Compare any angle to a right angle, and describe the angle as greater than, less than, or congruent to a right angle. (EE.8.G.A.5)

### Understand and apply the Pythagorean Theorem. (EE.8.G.B)

- Not applicable. (EE.8.G.B.6)
- Not applicable. (EE.8.G.B.7)
- Not applicable. (EE.8.G.B.8)

### Solve real-world and mathematical problems involving volume of cylinders, cones, and spheres. (EE.8.G.C)

- Use the formulas for perimeter, area, and volume to solve real-world and mathematical problems (limited to perimeter and area of rectangles and volume of rectangular prisms). (EE.8.G.C.9)

## Statistics and Probability (EE.8.SP)

### Investigate patterns of association in bivariate data. (EE.8.SP.A)

- Not applicable. (EE.8.SP.A.1)
- Not applicable. See EE.10.S-ID.1–2 and EE.10.S-ID.3. (EE.8.SP.A.2)
- Not applicable. (EE.8.SP.A.3)
- Construct a graph or table from given categorical data, and compare data categorized in the graph or table. (EE.8.SP.A.4)

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