Great 4-Door foldable to demonstrate evaluating algebraic expressions.
Door 1 - key terms/definitions (expression, evaluate, and substitution)
Door 2 - numerical problems (4 examples included with fractions and fractions and decimals - both positive and negative numbers included)
Door 3 - geometry connection (plug values into area of a trapezoid and area of a circle - fractions included!)
Door 4 - word problems (1 on converting temperature from celsius to fahrenheit and 1 on bank account problem)