This is a general collection of math resources. It is a large collection, but you can use the fliters on the left side of the screen to filter down to the specific education level you are looking for. (You are encouraged to filter by education level, not grade.)
This short video and interactive assessment activity is designed to teach second graders about comparing and writing decimal inequalities in word problems.
This short video and interactive assessment activity is designed to teach third graders about comparing the values of numbers to 1,000 - word problems.
In this task students are required to compare numbers that are identified by word names and not just digits. The order of the numbers described in words are intentionally placed in a different order than their base-ten counterparts so that students need to think carefully about the value of the numbers.
In this task students are required to compare numbers that are identified by word names and not just digits. The order of the numbers described in words are intentionally placed in a different order than their base-ten counterparts so that students need to think carefully about the value of the numbers.
An interactive applet and associated web page that demonstrate the concept of complementary angles (angles that add to 90 degrees). The applet shows two angles. You can drag the endpoints of each angle and the other angle changes so that they always add to 90 degrees. They are drawn in such a way that it is visually obvious that together they form a right angle, although they are separate on the page. The angle measure readouts can be turned off for class discussions. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.
This short video and interactive assessment activity is designed to teach fourth graders about finding and completing the number patterns.
This short video and interactive assessment activity is designed to teach third graders about finding and completing the number patterns.
This short video and interactive assessment activity is designed to teach fourth graders about completion of number patterns.
This short video and interactive assessment activity is designed to teach fourth graders about completing a decimal place value chart up to hundredths.
This short video and interactive assessment activity is designed to teach fourth graders about completing a decimal place value chart to tenths.
This problem is intended to reinforce the geometric interpretation of distance between complex numbers and midpoints as modulus of the difference and average respectively.
Students learn about complex networks and how to represent them using graphs. They also learn that graph theory is a useful mathematical tool for studying complex networks in diverse applications of science and engineering, such as neural networks in the brain, biochemical reaction networks in cells, communication networks, such as the internet, and social networks. Topics covered include set theory, defining a graph, as well as defining the degree of a node and the degree distribution of a graph.
We visualize complex numbers in the same way we visualize an ordered pair on a plane.
This short video and interactive assessment activity is designed to give fourth graders an overview of forming figures with cutouts.
This short video and interactive assessment activity is designed to teach fourth graders about compound unit multiplication - word problems.
This task is preliminary to F-LE Compounding Interest with a 5% Interest Rate which further develops the relationship between e and compound interest.
This task develops reasoning behind the general formula for balances under continuously compounded interest. While this task itself specifically addresses the standard (F-BF), building functions from a context, a auxiliary purpose is to introduce and motivate the number e, which plays a significant role in the (F-LE) domain of tasks.
BBC lesson series on Computational Thinking. This series would be a good resource for teachers, and older students. The lesson provide some information, a video clip, and each section in the series has a quiz at the end to check understanding. The start of the topic is broken down into the sections of computational thinking: Decomposition, Pattern Recognition, Abstraction and Algorithms.
This task asks students to perform computations involving complex numbers using the given information.
The purpose of this series of tasks is to build in a natural way from accessible, concrete problems involving volume to a more abstract understanding of volume. The purpose of this first task is to see the relationship between the side-lengths of a cube and its volume.