Cornell University
Airboats
Don't let the resource blow you away. Scholars build airboats from basic materials and collect data on how far the boats move. They refine their designs taking Newton's laws into consideration.
Curated OER
Cutting Expenses
Students explore budgeting. In this finance and math instructional activity, students brainstorm ways in which households could save money. Students view websites that give cost reducing ideas. Students complete an expense comparison...
Curated OER
Defining Division
Upper graders explore division through fair-shares. They will review fair shares and fractions as a segway into division. They start by playing "Share Fairly" game and create mathematical arguments for solving problems. Manipulatives and...
Curated OER
Place Value for Decimals
Are your fourth graders having problems with decimals? Help them identify the place value of various numbers. Here, they describe what happens to the value of different numbers, as well as select numbers with given values in the tenths...
Curated OER
Everyday Problems with Decimals
Review word problems and decimals with a worksheet that features everyday problems for your students to solve. Six problems provide space for both work and the solution, reinforcing the importance of showing one's work in word problems....
Curated OER
Real-life Problems, Working with Fractions #2
Decimals and fractions can be tricky - especially in word problems! Help your fourth and fifth graders solve these word problems, all of which involve real-life application and decimals or fractions. There are separate spaces for writing...
Curated OER
Writing Numbers
A multi-faceted approach to place value! Third graders write four-digit numbers, as well as interpreting the written forms of large numbers. Use the resource as a unit assessment, or in parts as a warm-up activity throughout the week.
Curated OER
Real-Life Problems: Measures
Do your fifth graders have trouble writing out their work for word problems? Use this instructional activity about measurements and the four equations, which provides separate spaces to write the equations and the answers. A nice way to...
Curated OER
Subtraction Word Problems #1
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
Curated OER
Understanding Place Value
Your fourth graders can write smaller numbers, but what about five-digit numbers? Practice writing expanded forms of large numbers with these activities. They work on place value skills, as well as written numbers. A great activity to...
Curated OER
Multiplying by 2-Digit Numbers
Need some practice multiplying large numbers? Bring this list of problems to your fifth grade class to use as a review of multiplication of 3 digit numbers by 2 digit numbers. The format of this resource makes it a good quiz or homework...
Curated OER
Subtracting Bigger Numbers: 2 and 3-Digit Numbers
Subtraction problems are simple - or are they? Fourth graders subtract 2-digit numbers from 3-digit numbers in different formats, including vertical problems, horizontal problems, and word problems. Use this resource at the end of your...
Curated OER
Subtraction Practice, Part 4
In need of some subtraction practice? Here is a good review or quiz activity to reinforce your subtraction lesson. Twenty-four problems include subtracting two-digit numbers, most of which involve carrying. The last fifteen problems use...
Curated OER
Who Has More Money?
Coloring and money combine in this fun instructional activity! First and second graders count the amounts of money represented in each, and then color the person or animal who has the most money. They then draw the correct coins to add...
Curated OER
Addition with Regrouping
Now that your class can add, introduce them to adding with regrouping. This presentation provides several models that demonstrate what happens when you regroup. There are several examples and a few practice problems to complete as a class.
Readington Township Public Schools
Facts Practice Using Multiplication/Division Fact Triangles
Why waste time teaching multiplication and division facts separately, when this resource allows you to cover both concepts at once. Displaying the fact families for all single-digit factors, these triangle shaped flash cards are a great...
Illustrative Mathematics
Similar Triangles
Proving triangles are similar is often an exercise in applying one of the many theorems young geometers memorize, like the AA similarity criteria. But proving that the criteria themselves are valid from basic principles is a great...
CK-12 Foundation
Revolutions of Earth: Planet Cube
Does assessing Earth Science vocabulary making your head spin? Test scholars' knowledge of revolving and rotating using an interactive tool. The movement of a new planet and its moon is in their hands, allowing them to explore...
Curated OER
Mathematical Jeopardy
Middle schoolers use the popular game of Jeopardy to explore different mathematical concepts. They are highly engaged with the use of technology for this activity. They function using higher-order thinking skills in order to create their...
Curated OER
Complex Numbers
The class practices, on paper and/or on a TI graphing calculator the concepts of how to add, multiply, divide and subtract complex numbers using the correct property.
Teach Engineering
Magnetic Resonance Imaging
The capstone lesson in a 14-part series focuses on the basics of magnetic resonance imaging and the hardware of the machines. Pupils use this information and the material learned throughout the unit to develop a presentation on...
CK-12 Foundation
Matrix Algebra: Matrix Match
What size is the product of two matrices? Individuals determine that two matrices that can be multiplied and their resulting matrix by connecting them in the interactive resource. They make a generalization about the sizes of...
Curated OER
Math Reference Sheet
Your young learners will enjoy having quick access to this reference sheet that includes a multiplication chart, formulas for perimeter, area, and volume, place value chart, fraction chart, basic types of polygons, triangles and lines...
Curated OER
Fact Families
These fact families need to be completed. Scholars use addition and subtraction to complete four number sentences for each set of three numbers. The sentences are all part of the number set's fact family, and demonstrate the commutative...