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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 13

    Divide two- and three-digit numbers by a single-digit number using strategies based on place value (partial quotients). Divide multi-digit numbers by a single-digit number using strategies based on place value.

  • Lesson 14

    Use estimation and visual models to solve problems involving adding fractions with unlike denominators. Use visual models to solve problems involving adding fractions with unlike denominators.

  • Lesson 15

    Use visual models to solve problems with division to divide unit fractions by whole numbers and whole numbers by unit fractions. Use visual models to solve problems with division of unit fractions & whole numbers.