University of Cambridge
University of Cambridge: Nrich: Magic Circles
Use your problem solving skills to figure out this challenge. A number of solutions are available right at this one page website.
University of Cambridge
University of Cambridge: Nrich: Number Juggle
Use those problem solving skills to find a solution to this triangle problem. When you have your solution you can check it right on this one page website.
University of Cambridge
University of Cambridge: Nrich: Magic Squares 3x3
Use your problem solving skills to make these magic squares work correctly. The solutions are at this one page website.
University of Cambridge
University of Cambridge: Nrich: Magic Squares 4x4
Warm up your problem solving skills to make the magic work in these magic squares by getting the correct numbers in the correct spot. You can check your solution at this one page website.
University of Cambridge
University of Cambridge: Nrich: Domino Square
Use your problem solving skills and move the dominoes around on the square so that each side has only eight dots. When you are finished you can check your answer against theirs right at this one page NRich website.
PBS
Pbs: Multidigit Multiplication With Standard Algorithm: The Donut Doze Off
In this Cyberchase video, Bianca has a new job decorating fresh-baked donuts. Her supervisor asked her to decorate 12 trays of donuts, but Bianca thought he meant 12 donuts. When she discovers her mistake, she uses multiplication...
ICT Games
Ict Games: 100 Hunt Plus 9
You will need to add 9 to the target number given. Find the sum and click it in the hundreds chart. See if you can keep your time score as low as possible.
University of South Florida
Educational Technology Clearinghouse: Lit2 Go: Ralph Waldo Emerson: History
The complete text of Emerson's essay, "History." The text can be read online or downloaded in MP3 or PDF format, or viewed as a webpage. In addition, the essay has downloadable support material which focuses on various reading and math...
University of South Florida
Educational Technology Clearinghous: Lit2 Go: Why Brother Bear Has No Tail
This resource presents the text of a Brer Bear story, one of Harris's well-know "Uncle Remus" stories. The text can be read online or downloaded in MP3 or PDF format. In addition, the story has downloadable support material which focuses...
University of Cambridge
University of Cambridge: Nrich: Read This Page
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
Khan Academy
Khan Academy: Add and Subtract on a Number Line
Practice adding and subtracting numbers like 554 and 237 using a number line. All numbers are less than 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding Two Digit Numbers by Making Tens
In this exercise, students practice adding two-digit numbers by making tens. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Adding Two Digit Numbers by Making Tens 2
In this exercise, students practice adding two-digit numbers by making tens. Students receive immediate feedback and have the opportunity to watch tutorial videos, get hints, and try questions repeatedly.
Khan Academy
Khan Academy: Adding 53+17 by Making a Group of 10
Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:35]
Alabama Learning Exchange
Alex: Estimation Station
During this instructional activity, students will learn the difference between estimation and guessing. Knowing how to estimate is an essential skill that will help students determine approximate totals as well as check the...
University of Cambridge
University of Cambridge: Nrich: A Square Deal
On this one page website sharpen your logic, ordered pairs, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.