Khan Academy
Khan Academy: 2 Step Word Problems
Solve two-step word problems with addition, subtraction, multiplication, and division. Some questions include estimation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
University of Cambridge
University of Cambridge: Nrich: Ice Cream
Sharpen your logic and pattern creation skills performing this fun game. Includes solution.
Other
Fractal Explorer
The fractal explorer shows how a very simple pattern, when repeated can produce an incredible range of images. From organic tree like structures to rigid geometric forms. Fun to use and lots of mathematical concepts involved.
Khan Academy
Khan Academy: Multiply and Divide Decimals by 10
Practice multiplying and dividing decimal numbers by 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiplying and Dividing by Powers of 10
In this exercise, students practice multiplying and dividing by powers of 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Describing Trends in Scatter Plots
Practice making sense of trends in scatter plots. That is, explain what trends mean in terms of real-world quantities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive...
Illustrative Mathematics
Illustrative Mathematics: 6.ee,g Sierpinski's Carpet
In this task, 6th graders are presented with a large square divided into 9 squares and the center square is then removed. They are asked to find the area of the 8 remaining squares. Each smaller square is divided in the same way and the...
Better Lesson
Better Lesson: Let's Review
Revisit, Revisit, Revisit! Students need repeated exposure to math concepts to really understand how they work.
University of Cambridge
University of Cambridge: Nrich: Building Stars
This interactive activity gives you an opportunity to color in a tessellation that is different from the usual. Read the short introduction to find out more about this tessellation that doesn't repeat.
University of Cambridge
University of Cambridge: Nrich: Star Find
This one page website offers two interesting tiling problems. The solution is provided here as well.
Khan Academy
Khan Academy: Count Objects 2
Practice counting up to 20 objects in random patterns. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PBS
Pbs: Negative Exponents as Fractals
Determine the relationship between graphic patterns and what they represent mathematically. This video focuses on how fractals can be a visual representation of negative exponents, which are a way to express repeated division.