Curated OER
How the West Was One - Three x Four
While this lesson provides a motivating and interesting way to review the concept of the order of operations, it involves the use of software called How the West Was One + Three x Four. There are also other resources that are referenced,...
Curated OER
Rule for Equality of Fractions
Here is a lesson on equality of fractions. Learners use fraction bar manipulatives as the lesson goes along to help them visually understand equivalent fractions. The activities described are top-notch, and there is a worksheet embedded...
Curated OER
Solving Problems Involving Subtraction
Here is an excellent lesson plan on solving subtraction word problems using fractions and mixed numbers. Learners complete three activities that will help them to explore and better-understand the world of mixed numbers. Fraction bars...
Curated OER
Get in Shape with Geometry
Using geoboards, computer programs, and hands-on manipulative materials, elementary schoolers engage in a study of two and three-dimensional geometric shapes. This lesson is chock full of good teaching ideas on the subject, and the...
Exploratorium
String Shapes
You'd never have guessed it, but simple pieces of string make a fabulous manipulative for the study of geometry! In the fine lesson here, young mathematicians use string to make a variety of polygons. Pupils sit in various configurations...
Curated OER
The Squares of Numbers in Multiplication
Review multiplication facts and concepts! This clear, and easy to follow activity will help your class to understand multiplication by using arrays and repeated addition. There are strategies to help with memorization and manipulative...
Curated OER
Subtract Positive and Negative Integers
Review the concept of subtracting positive and negative integers. Learners review the rules for subtracting integers, use manipulatives to visualize the process, and complete an assessment.
Curated OER
Place Value
Practice place value skills with this lesson. Learners put numbers in order from greatest to least, identify the values of particular numbers, and engage in an activity to compare numbers using manipulatives.
Curated OER
Moon Watch: Observing the Lunar Phases with a Model
How do you know the moon is going broke? It's down to its last quarter. The lesson provides a more accurate way to teach lunar phases, emphasizing not only naming or understanding them, but being able to explain why they occur....
Agriculture in the Classroom
Design 'Y'er Genes
How do changes in DNA affect an organism? Scholars explore chromosomes, genes, DNA, and mutations by modeling the DNA of a strawberry. They build a DNA model, then manipulate it to show how changing the genes transforms the strawberry...
Curated OER
A Walk in the Park
Using a word problem, learners practice estimation techniques. After leading the class through a solution to this problem, a teacher could have the class complete other estimation activities using this one as a model.
Curated OER
Equivalent Fractions
If you are looking for a simple way to review equivalent fractions, this is a great resource. Using a visual means and a series of examples, learners review this skill. There is a worksheet provided and a prompt to encourage pupils to...
Curated OER
Fractions and Measurement
Using a Smart Board, or a plain ol' white board or chalkboard, the teacher pulls up a grid and demonstrates how squares and rectangles can be divided up into equal parts. The class will get their own graph paper to draw shapes and divide...
California Academy of Science
Optimal and Sustainable: Renewable Energy Revamp
More than 100 cities around the world have shifted from fossil fuels to renewable energy sources. Scholars investigate a city wanting to make this switch, but needs help determining how to make the shift. Groups consider all options,...
Curated OER
All About Me
Students answer short answer questions, state their likes and dislikes, say what roles they have, and more about themselves. For this all about me lesson plan, students read books about how we are all different and the same.