Objective

By the end of this lesson, you will be able to apply algebraic concepts to solve problems related to animals and their habitats.

Materials and Prep

Materials: Paper, pencil

Prep: Familiarity with basic algebraic operations (addition, subtraction, multiplication, division)

Activities

1. Animal Equations: Create algebraic equations to represent the number of different animals in a zoo. For example, if there are x tigers and y monkeys, write an equation for the total number of legs in terms of x and y.

2. Habitat Area: Use algebraic expressions to calculate the total area of a zoo exhibit for a given number of animals. For instance, if each tiger requires 100 square feet and each monkey requires 50 square feet, write an expression to find the total area needed for x tigers and y monkeys.

3. Animal Word Problems: Solve word problems involving animals and their characteristics using algebraic equations. For instance, if the total number of legs in a zoo is 200 and there are twice as many monkeys as tigers, find the number of each animal using algebraic equations.

Eighth Grade Talking Points

• "Algebra helps us solve problems involving unknown quantities, like the number of animals in a zoo or the size of their habitats."
• "We can use letters to represent unknown numbers, and then create equations to solve for those numbers."
• "By using algebra, we can find solutions to real-life situations, such as determining the number of animals in a zoo or the space needed for their habitats."