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Math Basics Unit 2 About 8 minutes

Ratios and Ratio Tables: Basics

    What a ratio is

    A ratio compares 2 amounts.

    Ratio: a comparison of 2 amounts. 3 red balls to 2 blue balls is the ratio 3 to 2.

    Count and compare

    Try it

    Fill the trays

    1. Read the goal.
    2. Click + Red or + Blue to add 1 ball.
    3. Click − Red or − Blue to take away 1 ball.
    4. When the trays show the goal ratio, click Next goal.
    Goal 1 of 3

    Quick check

    Answer 5 questions. You see your score at the end.