CK-12 Foundation
Midpoint Formula
By selecting the resource, you're already halfway to understanding midpoints. Pupils use a slider to locate midpoints on the coordinate plane. They connect this conceptual understanding to the formula for the midpoint of a line segment.
CK-12 Foundation
Proofs: Angle Pairs and Segments—The Three Angle Problem
Finding the sum of the measures of three angles is easy, unless you have no clue what the measures are. Learners use an interactive diagram to see a geometric problem in a different way. A set of challenge questions takes them through...
CK-12 Foundation
Sums of Integers with Different Signs: Adding Between 10 and -10
Six questions make up an interactive designed to boost scholars' knowledge of integers. Mathematicians move symbols over a horizontal number line to aid in findings answers between 10 and negative 10. Question types include...
CK-12 Foundation
Overview of Percents: Play Checkers
Bet classes didn't know playing checkers help with understanding percents. An interesting interactive has pupils consider a series of moves in checkers. It then requires them to answer a set of challenge questions on percentages...
CK-12 Foundation
Division of Fractions: Stacking Berets
Seven questions make up an interactive designed to boost mathematician's skills in dividing whole numbers by mixed fractions. Practice comes with a visual aid with movable parts. Questions types include fill in the blank,...
MENSA Education & Research Foundation
Fabulous Fibonacci and His Nifty Numbers
Fibonacci numbers are not only found in the classroom but also in nature. Explore the concept of Fibonacci numbers through a series of lessons designed to gain insight into the mathematical reasoning behind the number pattern, and spark...
Mathed Up!
Scatter Graphs
Make an estimate by getting in line. The class works with scatter plots and lines of best fit to make an estimate for given values. Pupils determine whether there is a positive or negative correlation and draw a best-fit line. Using the...
West Contra Costa Unified School District
Point-Slope Application Problems
Create a linear equation for a problem when the intercept information is not given. The two-day lesson introduces the class to the point-slope form, which can be used for problems when the initial conditions are not provided. Pupils...
Rice University
Calculus Volume 2
Delve into the middle of calculus. The resource is the second eBook of three that covers the complete calculus content. Seven chapters begin with integrals and different methods of integration before moving on to differential equations....
Edinburgh UNESCO City of Literature Trust
The Lost World
Fans of Sherlock Holmes may be surprised to learn that in addition to stories of the famous deductionist, Sir Arthur Conan Doyle is also the creator of Professor Challenger. An irascible, unpredictable scientist, Challenger was featured...
ABCya
Hanukkah Gelt Hunt
A Hanukkah-themed learning game challenges players to find hidden gelt. Scholars examine festive pictures to locate hard-to-see gelt—chocolate coins— and click on them to earn points before the timer runs out. Levels become increasingly...
EngageNY
Equivalent Ratios
Equivalent ratios show up on tape. Young mathematicians use tape diagrams to create equivalent ratios in the initial lesson on the topic. They learn the definition of equivalent ratios and use it to build others in the third segment of a...
EngageNY
Percent
Extend percent understandings to include percents less than one and greater than 100. A great lesson has pupils build upon their knowledge of percents from sixth grade. They convert between fractions, decimals, and percents that are less...
EngageNY
Graphs of Linear Functions and Rate of Change
Discover an important property of linear functions. Learners use the slope formula to calculate the rates of change of linear functions. They find that linear functions have constant rates of change and use this property to determine if...
EngageNY
Ratios II
Pupils continue the study of ratios by creating ratios from a context. The contexts present more than two quantities, and scholars create contexts that match given ratios.
EngageNY
One-Step Problems in the Real World
Mirror, mirror on the wall, which is the fairest resource of them all? Individuals write and solve one-step equations for problems about angle measurement, including those involving mirrors. Both mathematical and real-world problems are...
Science Matters
Finding the Epicenter
The epicenter is the point on the ground above the initial point of rupture. The 10th lesson in a series of 20 encourages scholars to learn to triangulate the epicenter of an earthquake based on the arrival times of p waves and s waves....
Mathwire
Seussical Fish
Wondering what Dr. Seuss and his colorful fish have to offer your young mathematicians? Find out with this simple yet affective word problem activity that challenges children to determine how many different combinations of toy fish can...
Federal Reserve Bank
Your Budget Plan
What do Whoosh and Jet Stream have in common? They are both characters in a fantastic game designed to help students identify various positive and negative spending behaviors. Through an engaging activity, worksheets, and discussion,...
K5 Learning
Mixed Practice Word Problems #1
Five word problems make up a practice page designed to reinforce subtraction, multiplication, and division. Word problems require scholars to perform operations using numbers up to 1,400.
Common Sense Media
The Masque of the Red Death
Poe goes high tech with a lesson that asks high schoolers to use the internet and various apps as they read and analyze "The Masque of the Red Death." In addition to responding to comprehension questions in Quizlet, they use Minecraft to...
Fluence Learning
Writing About Literary Text: Pygmalion and Galatea
Is it crazy to fall in love with your own work, or is that the purest love of all? Compare two renditions of the classic Greek myth Pygmalion and Galatea with a literary analysis exercise. After students compare the similarities and...
Fluence Learning
Writing Informative Text: Did Shakespeare Write Shakespeare?
William Shakespeare penned some of the richest and most fascinating works of literature—or did he? Middle schoolers read three brief informative passages and conduct additional research to evaluate the claim that Shakespeare did not...
Mathematics Vision Project
Geometric Figures
Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...