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Slope and intercept

Grade 7-8

What this lesson shows

This shape of equation has a name: y equals m x plus b. The m is called the slope. The b is called the y-intercept. In ours — y = 2x + 1 — the slope is 2, and the y-intercept is 1.

Try it yourself

Real questions from this lesson's worksheets — answers below each one.

  1. Each step grows by the same amount (the "slope"). What is the step for: 1, 3, 5, 7?
    Show answer
    2
  2. Find the next number: 3, 7, 11, 15, ___
    Show answer
    19
  3. Find the next number: 2, 7, 12, 17, ___
    Show answer
    22
  4. Find the next number: 1, 8, 15, 22, ___
    Show answer
    29

Practise this every day

Eduyro gives your child a short daily worksheet on exactly this skill, and moves them on only once they have it. Watch the lesson, then build the fluency.

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