EngageNY
How Do Dilations Map Lines, Rays, and Circles?
Applying a learned technique to a new type of problem is an important skill in mathematics. The lesson asks scholars to apply their understanding to analyze dilations of different figures. They make conjectures and conclusions to...
101 Questions
A Cyclist's Marriage Proposal
One cyclist goes to great lengths to make his proposal! Your classes must figure out just what length that is. Using a map with a bike route that spells out Marry Me, learners calculate the total distance of the ride. They base their...
Curated OER
Scale/Ratio
Investigate the use of ratios in scale drawings. Learners scale objects up or down using ratios then find the actual size of something using ratios. They apply their knowledge of ratios as they make their own telescopes in science...
Curated OER
Right Place, Right Time
Fourth graders complete mathematical word problems. They study the relationships among distance, speed, and time; and measure travel distances. They measure distances using a piece of string and a ruler and practice converting several...
Bowland
Alien Invasion
Win the war of the worlds! Scholars solve a variety of problems related to an alien invasion. They determine where spaceships have landed on a coordinate map, devise a plan to avoid the aliens, observe the aliens, and break a code to...
Curated OER
Super Size It, Please!
Pupils take photos from a given distance and determine the height of the person using a scale factor. Pupils calculate the ratio of student actual height to student photo height. They take pictures from 3 different distances to see if...
Curated OER
Scale
Learners apply concepts of scales to solve problems. For this geometry lesson, students solve real world problems using scales, proportions and ratios. They predict the actual size of a model given the scale drawings.
Curated OER
Scale factors: Ratios and Proportions
Pupils create building and models using scale factors. In this geometry lesson, students apply the properties of ratio and proportion to solve problems. They identify the means and extremes property of cross multiplication.
Curated OER
The Crash Scene
Fifth graders explore geography by participating in a mapping activity. In this engineering instructional activity, 5th graders identify the differences between latitude and longitude and practice locating precise points on a globe or...
Discovery Education
Architects in Action
Hands-on and real-world applications are great ways to teach mathematical concepts. Creative thinkers examine how ratios are used to create scale models of buildings and structures. They practice working with ratios by looking at a map...
Mathematics Vision Project
Circles: A Geometric Perspective
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
Curated OER
Ratio Relationships
Students solve for the different ratio and proportion of a problem. In this geometry lesson plan, students show their knowledge of how to solve proportional relationships. They convert between percent, decimals and fractions.
Curated OER
Similar Triangles - Applied Problems
Students differentiate between similar and congruent triangles. In this geometry lesson, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.
Curated OER
Grid it, Map it
Learners participate in designing a city layout using grids and coordinates. They work on a city space and create a grid on a life size layout on the gym floor.
Curated OER
CEENBoT Takes a Dive
Learners create a map to scale using technology. In this algebra lesson, students navigate through a shipwreck to perform rescues. They use he CEENBoT program to perform the different tasks.
Curated OER
Chernobyl 1 - Radiation Released
Students investigate the Chernobyl nuclear disaster by mapping out the winds carrying radiation and viewing a short video about the aftermath and subsequent health problems. They then calculate the amount of radiation that people were...
Mathematics Assessment Project
Evaluating Statements About Enlargements
Double, toil ,and double linear dimensions. Learners first complete an assessment investigating how doubling linear dimensions affects the area of pizzas and the volume of popcorn containers. They then complete an activity investigating...
Mathematics Assessment Project
Calculating Arcs and Areas of Sectors of Circles
Going around in circles trying to find a resource on sectors of circles? Here is an activity where pupils first complete an assessment task to determine the areas and perimeters of sectors of circles. They then participate in an...
Curated OER
Estimating Distances
Young scholars investigate distance measurement. In this middle school mathematics activity, students find the average length of their pace and use their pace to measure various unknown distances in feet and miles. Young...
Curated OER
Investigation: The Local Bagel Shop
Sixth graders explore economics by solving business math problems. In this ratio and proportion activity, 6th graders examine different meals to be purchased at a coffee shop and compare which prices make which meals a better purchase....
Curated OER
Classroom Supplies
Challenge young mathematicians to buy classroom supplies by staying within the means of a $1,000 budget. The mathematical activity provides learners with the opportunity to decide what items from the supply list would benefit a class of...
Curated OER
Tour De Texas
Students are given a budget and an alternative-fuel vehicle. Using a map of Texas, they are given a starting point and determine how to arrive at their destination within 72 hours. They use the internet to research the alternative fuel...
Curated OER
ExplorA-Pond:4th Grade Perimeter Estimation
Fourth graders visit a real pond. They mark the pond's curvilinear perimeter using string. They measure the string to find the actual perimeter of the pond.
Curated OER
Scatter Plots
Seventh graders investigate how to make and set up a scatter plot. In this statistics lesson, 7th graders collect data and plot it. They analyze their data and discuss their results.