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Middle school math (6–8)

Ratios, negative numbers and the first steps of algebra. See how the tutor turns a wrong answer into understanding, and how “Try different approach” explains it a new way.

6 min read Students · Parents · Educators Video in 1 language
2:03 · narrated · captions

The Mission Control lobby

In grades 6–8 the lobby becomes Mission Control: an Ask your tutor box, subject chips, goals (Learn, Practice, Quiz, Check work, Test review), recommendations, and your recent sessions.

  1. Start from the lobby

    Everything starts here. Recent sessions sit underneath so you can jump back in.

Walkthrough: a ratio problem

3 cups flour : 2 cups sugar. Flour for 5 cups sugar?Grade 7
  1. Unit rate3 ÷ 2 = 1.51.5 cups of flour for every 1 cup of sugar.
  2. Scale up1.5 × 5 = 7.5Multiply the unit rate by the 5 cups of sugar.
Answer: 7.5 cups of flour
Check: 7.5 : 5 = 1.5 : 1 = 3 : 2 ✓
  1. Type the problem exactly as it's written

    Paste or type the question from your textbook or worksheet, then press Start.

    Try it“A recipe uses 3 cups of flour for every 2 cups of sugar. How much flour do I need for 5 cups of sugar?”
  2. Read how the tutor sets it up

    The tutor writes the ratio 3 : 2 and asks what has to stay the same as the recipe gets bigger.

  3. It's OK to guess wrong

    Maya answers 6 cups — a very common mistake (adding 3 instead of scaling). The tutor explains why 6 breaks the ratio, and points her toward the unit rate.

    Try it“Is it 6 cups?”
  4. Tap “Try different approach”

    If an explanation doesn't click, this quick action asks the tutor to teach the same idea a completely different way.

  5. See it as a table

    This time the tutor builds a ratio table, so the pattern is easy to see.

  6. Reach the answer yourself

    With the unit rate (1.5 cups of flour per cup of sugar), Maya gets 7.5 cups, and the tutor shows how to check it.

    Try it“Oh! So it's 1.5 cups of flour per cup of sugar, which makes 7.5 cups?”

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