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Shopaholic Carla’s just found the cutest pair of shoes! And – even better – she did the math and found out they’re FREE!… or are they? Does 40% off plus an additional 60% off really mean these shoes are free?

Math Mess is a local public television program presented by WVIZ and PBS Ideastream.

Related Lessons

  • Lesson 16

    Fractions As Division

    Math

    4th Grade, 5th Grade

    Interpret a fraction as division of the numerator by the denominator. Solve word problems involving division of whole numbers leading to answers in the form of fractions or mixed numbers by using visual fraction models or equations to represent the problem. Interpret a fraction as division of the numerator by the denominator and solve problems.

  • Lesson 17

    Comparing and Ordering Fractions

    Math

    4th Grade, 5th Grade

    Explore comparing fractions with like numerators or like denominators to tell which is larger or smaller using benchmark fractions and visual representations like number lines. Explore comparing fractions with like numerators or like denominators.

  • Lesson 18

    Benchmark Fractions

    Math

    4th Grade, 5th Grade

    Use visual models and benchmark fractions to help compare and order fractions with unlike numerators and denominators. Use a number line and benchmark fractions to compare and order fractions.