Math With AmarA C A D E M Y
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100 guided animations · 10 topic units · Free to explore

Grade 8 mathematics,
one moving idea at a time.

Make a prediction, change a value, and explain the result. Work through each unit in order or choose the topic you want to understand today. Every investigation has controls, a worked explanation, and a question to test your reasoning.

Start investigation 1Browse all 100Read the Grade 8 lessons

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Ten topics. Ten investigations in each.

  1. UNIT 1

    Connect slope and a linear rule

    Investigations 1–10

  2. UNIT 2

    Locate simultaneous solutions

    Investigations 11–20

  3. UNIT 3

    Translate every coordinate equally

    Investigations 21–30

  4. UNIT 4

    Recover a right-triangle distance

    Investigations 31–40

  5. UNIT 5

    Explain zero and negative powers

    Investigations 41–50

  6. UNIT 6

    Follow decimal place-value scaling

    Investigations 51–60

  7. UNIT 7

    Separate trend from causal claims

    Investigations 61–70

  8. UNIT 8

    Accumulate circular cross-sections

    Investigations 71–80

  9. UNIT 9

    Bracket a principal square root

    Investigations 81–90

  10. UNIT 10

    Distinguish length and area multipliers

    Investigations 91–100

Related investigations use the same mathematical model with different questions and starting values. Reset restores the values used in that investigation’s worked answer. Read its assumptions before applying a model to a new situation.

Explore the Grade 8 collection.

100 animations · Showing 1–20