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Area of a Square Teacher Resources
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Seventh graders practice finding the area and perimeter of polygons. In this polygon area lesson plan, 7th graders brainstorm shapes and take a walk to locate shapes. Students record properties of shapes and use various shapes to make a polygon. Students practice finding formulas for the area of a square, rectangle, triangle, parallelogram, and trapezoid. Students complete to problems by maximizing area with a given perimeter.
Eighth graders complete math problems given in this lesson, where they find the perimeter and area of specific figures. They estimate the perimeter and area of shapes and figures and then complete the mathematical formula to find the exact answer. They also discover the squares and square roots of numbers.
Here is an unexpected resource: chapter 1 of an Algebra textbook. You can use all or some of its contents to teach your Middle Schoolers all about algebraic expression, domain, function notation, linear equations, order of operations, input/output, ordered pairs, and variable expressions. This would be great for a substitute or newer teacher looking for reliable tools.
Here is a solid lesson plan for differentiating types of functions: linear, exponential, and quadratic. Mathematicians work in groups to create a table of values for a function that they are given. They graph the assigned function and compare it to others. Finally, each presents their graph to the rest of the class so that the graphs can be placed into families of functions. In order to meet Common Core standards, make sure to draw their attention to the functions that result in linear graphs. Internet links and additional materials are provided to make teaching this concrete lesson plan a breeze.
Use salmon eggs as a cell model for demonstrating the movement of water over concentration gradients. Junior scientists examine the same process microscopically with an onion cell. They use a thistle tube and a semipermeable membrane to discover osmosis. Six activities in all, this collection is a must for your biology class! Lesson plans are thoroughly written and the activities are both engaging and informational. Thank the National Science Teachers Association for this gem of a resource!
Using a scientific calculator and an 11-page guide sheet, middle schoolers investigate real numbers and problem-solving properties. The publisher links this resource to Common Core standard for seventh grade math, but you may find it a bit challenging for this age group. Make sure to evaluate it for a right fit to the level of your learners.
Students investigate area and perimeter of various shapes. In this area and perimeter of various shapes lesson, students record how area of shapes change when a dimension is doubled, halved, quartered, etc. Students make scatter plots of radii v. circumference and radii v. area. Students discuss why the graphs have a linear or quadratic shape. Students make similar graphs for various shapes such as squares and triangles.
Here is a handy presentation on the most common geometric formulas and the mathematical situations they are used for. For example, the formulas for finding the area of a triangle, the perimeter of a triangle, the perimeter of a parallelogram are outlined. Excellent examples and step-by-step instructions on how to use these formulas are present throughout.
Young mathematicians explore the concept of maximizing area and minimizing perimeter in this TI-Nspire lesson. This lesson is broken up into two parts. In the first, one tries to maximize the area while keeping the perimeter constant. In the second, one tries to minimize the perimeter with a fixed area. A scatter plot is used to analyze data.