Lesson Materials

Share

Decompose shapes into rectangles to determine the perimeter of the composite shape using the perimeter formula for rectangles.

Decompose shapes into rectangles to determine the perimeter of the composite shape.

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.