Juxtaposing the architecture of Ellis island with that of the proposed Trump Wall creates many opportunities for mathematical analysis and frames a discussion of how our nation’s attitude toward immigration has changed

# Tag Archives: mathematics

#### Do you Measure Up? Area and Perimeter

This lesson is the first in a series of four lessons which will help build an understanding of area and perimeter by using real world applications in order to build a skateboard park.

#### Creating an Immigrant Scorecard – Creating a Formula

In this lesson, students will consider and propose various factors that can be used to make decisions regarding prospective immigrants to the United States of America. Students will conduct public opinion research to determine which factors should be used, and…

#### Trig River

Students learn about and use a right triangle to determine the width of a „pretend“ river. Working in teams, they estimate of the width of the river, measure it and compare their results with classmates.

#### Linear Functions

In this tutorial, „Linear functions of the form f(x) = a x + b and the properties of their graphs are explored interactively using an applet.“ The applet allows students to manipulate variables to discover the changes in intercepts and…

#### Ratios

This set of instructional materials and problems helps students understand ratios and proportions, starting with a simple review and progressing into the more advanced territory of similar triangles

#### A Geometric Proof of the Pythagorean Theorem

Students will see an animated presentation of the proof of the Pythagorean Theorem. This animated PowerPoint presentation uses shearing and the invariance of the area of triangles with congruent bases and heights to show a step-by-step geometric proof of the…

#### Solving Linear Inequalities: Introduction and Formatting

From Elizabeth Stapel at Purplemath, this module helps students understand how to solve linear inequalities with an introduction to the topic using both inequality notation and a graphic representation to express the inequality.

#### Pizza Fractions

The classroom poster helps students understand fractions as parts of a whole by illustrating pizzas and fractions of pizzas. These eight images show a whole pizza, a pizza cut in half and in quarters with various pieces removed. It is…

#### Measure It! Paperclips

These 20 images give students practice measuring the height and width of various pictures with paperclips. Ready to print, each sheet contains a spot for students to write in their measurement of the pencil, ice cream treat, insect, car, and…