Expressions and equations

Duane Habecker, Kirthika, Aug 2, 2015

Appolets to practice expressions and equations.


  • 1. Tiles around a pool: Writing expressions
  • 2. Variable expressions with addition and subtraction
  • 3. Variable expressions with multiplication and division
  • 4. Variable expressions with all four operations
  • 5. Writing an expression for a sequence

1.

Tiles around a pool: Writing expressions

Square tiles are placed around a rectangular pool (in blue). How many of these square tiles are needed? Write an algebraic expression for the number of tiles needed to go around the pool.
How many tiles are needed to go around a pool with dimensions 120-by-150? How about x-by-y?
– Duane Habecker

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