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What does a student learn in ?

This is the year math stops being about whole numbers and starts being about lines, slopes, and the relationships between them. Students work with negative exponents, square roots, and very large or very small numbers written in scientific notation. They learn to graph straight lines, solve equations with a variable on both sides, and figure out where two lines cross. By spring, students can look at a real-world situation, write an equation for it, and graph the line that matches.

  • Linear equations
  • Slope and graphs
  • Exponents
  • Scientific notation
  • Square roots
  • Systems of equations
Source: District of Columbia DC Academic Content Standards
Year at a glance
How the year usually goes. Every school and district set their own curriculum, so treat this as a guide, not official pacing.
  1. 1

    Rational and irrational numbers

    Students learn that some numbers, like the square root of 2 or pi, cannot be written as simple fractions. They place these numbers on a number line and compare their sizes.

  2. 2

    Exponents and scientific notation

    Students work with very large and very small numbers using powers of ten. They write distances in space or sizes of cells in a shorter form and do basic math with them.

  3. 3

    Linear equations and slope

    Students solve equations with a variable on both sides and study lines on a graph. They learn what slope means as a steady rate of change, like miles per hour or dollars per week.

  4. 4

    Systems of equations

    Students solve two equations at once to answer questions with two unknowns, like figuring out the price of a sandwich and a drink when given two combo totals.

  5. 5

    Functions and real-world relationships

    Students study how one quantity depends on another, like how far a car goes based on time. They read these relationships from tables, graphs, and short rules.

  6. 6

    Geometry and the Pythagorean theorem

    Students use the Pythagorean theorem to find missing side lengths of right triangles and distances on a map. They also work with transformations, angles, and the volume of cones, cylinders, and spheres.

Mastery Learning Standards
The required skills a student should display by the end of Grade 8.
Standards for Mathematical Practice
  • Make Sense of Problems

    Students read a math problem carefully, figure out what it's actually asking, and keep trying even when the first approach doesn't work.

  • Reason Abstractly

    Students take a real problem, strip it down to numbers and symbols to solve it, then translate the answer back into what it actually means in context.

  • Construct Arguments

    Students back up their math answers with reasons, then listen to classmates' thinking and explain where they agree or disagree.

  • Model with Mathematics

    Students take a real-world situation, like splitting a bill or figuring out how long a trip takes, and write an equation or draw a diagram to make sense of it.

  • Use Tools Strategically

    Students choose the right tool for the job, whether that means grabbing a calculator, sketching by hand, or making a quick estimate. The goal is knowing when each approach helps and when it gets in the way.

  • Attend to Precision

    Students use the right math words and label answers with the correct units, like inches or dollars. They check their calculations carefully so small errors don't lead to wrong answers.

  • Use Structure

    Students learn to spot patterns and hidden structure in math problems, like noticing that a shape or equation follows a rule they already know. That shortcut helps them solve new problems faster.

  • Express Regularity

    When a calculation keeps working the same way, students notice the pattern and write a rule for it instead of repeating the same steps every time.

K-8 Mathematics Content
  • Counting and Number

    Grade 8 students work with whole numbers, fractions, and negative numbers to solve problems. They use what they know about how numbers relate to each other, including place value and rational number rules, to reason through math at this level.

  • Operations and Algebraic Thinking

    Students use addition, subtraction, multiplication, and division to write expressions and solve problems. At this grade, that work involves variables, exponents, and equations with multiple steps.

  • Measurement and Data

    Students read and build tables, graphs, and basic statistical summaries to make sense of real data. They use those tools to spot patterns and draw conclusions.

  • Students describe, sort, and measure flat and solid shapes, finding angles, side lengths, area, and volume to solve problems.

  • Ratios and Proportional Relationships

    Students use ratios and proportions to solve everyday problems, like figuring out unit prices, scaling a recipe, or comparing speeds. The math connects numbers to real situations they'll actually encounter.

Assessments
The state tests students at this grade and subject take.
State Summative

DC CAPE: Mathematics (Grades 3-8)

DC's spring summative math test for grades 3 through 8, aligned to DC's Common Core-based math standards.

When given:
spring
Frequency:
annual
Official source
Alternate assessment

MSAA (Multi-State Alternate Assessment)

Alternate assessment for students with the most significant cognitive disabilities, given in grades 3-8 and high school in ELA, math, and science.

When given:
spring
Frequency:
annual
Official source
National Monitoring

NAEP (National Assessment of Educational Progress)

Federally administered sample-based assessment in reading, mathematics, science, and writing. NAEP results inform state-by-state comparisons rather than individual student or school accountability.

When given:
biennial in winter
Frequency:
every two years
Official source