National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Curated OER
Torn Paper Portraits: A Value Study
High schoolers "paint" with torn paper!. They focus on the placement of features, facial planes, shadows and highlights using a black and white image. The results from this activity are visually stunning, and the materials you need to...
Curated OER
Simple Machines III - Pulleys
Fourth graders are introduced to a spring scale to show that the forces on both sides of the pulley are the same. They break into groups to lift objects with fixed pulleys and with multiple looped pulleys and then measure the force...
Rational Number Project
Initial Fraction Ideas: Lesson 3
Visual models support young mathematicians as they deepen their fractional number sense in this elementary math lesson. Using fraction circle manipulatives, children explore basic unit fractions as they develop the fundamental...
Curated OER
Simple Machines III - Pulleys
The principles behind pulleys, levers, and simple machines are the focus of a science lesson plan. In it, learners take part in a whole-class activity. There are two groups of pupils who each must lift objects with fixed pulleys and...
Lerner Publishing
Living or Nonliving
It's alive! Or is it? Through a series of shared readings, whole class activities, and independent exercises children explore the difference between living and non-living things, creating a pair of printable books...
BW Walch
Solving Systems of Linear Inequalities
One thing that puzzles a lot of young algebrists is the factors in a word problem that are taken as "understood". This presentation on solving systems of linear inequalities does a great job walking the learner through how to tease those...
Media Smarts
Looking at Newspapers: Introduction
A scavenger hunt introduces class groups to the different sections of newspapers and the different types of articles found in each section.
Curated OER
Divisibility Checks: Paired Activity
For this division game worksheet, students will work in small groups to play a game about dividing numbers. A teacher's guide with game instructions is included.
Curated OER
Adjusting the Quotient
Fourth graders use number facts to estimate quotients. In this division lesson, 4th graders examine long division problems to determine which multiple of ten will help them determine a number that is close to a quotient. They adjust the...
Curated OER
Long Division in Two Digits
In this math worksheet, students find the solutions to the problems for long division. The answers can be shown in the printable version.
Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks...
Illustrative Mathematics
Anna in D.C.
The amount of tax and tip on a restaurant bill is a common example used in percent problems. Here, learners only know the total amount paid, and they need to figure the itemized amounts. Solutions using a ratio table, using knowledge of...
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
Lorain County Community College
Solving Linear Equations in One Variable
Multiple-step problems don't have to equal tough problems. This worksheet provides a list of steps needed to go through multi-step equations that include combining like terms and distributing. With ten problems total, your learners will...
Curated OER
Units and Methods of Measurement
Show your class all the ways they will use math in the real world with this online measurement worksheet. 10 multiple choice questions cover concepts such as converting fluid and solid units of measurement, comparing temperatures, and...
Noyce Foundation
Sewing
Sew up your unit on operations with decimals using this assessment task. Young mathematicians use given rules to determine the amount of fabric they need to sew a pair of pants. They must also fill in a partially complete bill for...
Illustrative Mathematics
Area of a Trapezoid
Here is a straightforward example of how to apply the Pythagorean Theorem to find an unknown side-length of a trapezoid. Commentary gives additional information on proving that the inside of the trapezoid is a rectangle, but is...
Curated OER
Real-life Problems: Dollars and Cents
Do your fourth graders love money? They'll solve these money math word problems with ease! Six word problems involving money prompt pupils to use addition, subtraction, multiplication, and division. A section for work reinforces the...
Curated OER
Fraction Games
Explore fractions with upper graders. They will discover how to show fractions by shading the correct amount shown in a picture (giving them the idea behind part to whole). They also play multiple fraction games using dice, matching...
Kenan Fellows
Unit 2: Chemistry Review
What exactly goes into the medications people take every day? Scholars learn about the chemistry of medications in the second of a four-part series on Pharmacology. Over the course of two weeks, class members complete seven experiments,...
Curated OER
Things Fall Apart: Research, Writing & Presentation Project
A great resource for your unit on Chinua Achebe's Things Fall Apart. Small groups conduct research about related topics (list included), write papers, present PowerPoint slide shows, and take a student-created test. Fill in a few...
Curated OER
Real-Life Problems
Money math comes up in real life all the time, so be sure scholars are ready for the challenge with these word problems. They use multiple math operations to solve and show work for each one. There is an example to get them started...
Curated OER
Factors
In this factors worksheet, 7th graders solve and complete 20 different problems for determining the factors of each number listed. They find all the factors for each number given. Students divide each whole number by another whole number...