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...
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...
National Council of Teachers of Mathematics
Nctm: Figure This: Fractals
Can you figure out what pattern comes next? Explore patterns and perimeter in this math challenge on fractals. A one page activity from the NCTM Math Challenges for Families collection.
National Council of Teachers of Mathematics
Nctm: Figure This: Table for 19 (Pdf)
The waiters at Polygon's Restaurant need your help. See if you can use your problem solving and patterning skills to help them solve this math challenge. Discover how developing these skills could be useful in real life situations, in...
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: Ice Cream
Sharpen your logic and pattern creation skills performing this fun game. Includes solution.
Math2
Math2.org: Trigonometry Tables
Three trig tables are provided for student and teacher reference. The first table lists the sine, cosine, tangent, secant, cosecant, and cotangent values of all whole-number angles from 0 to 90. The radian equivalent (to four decimals)...
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.
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.
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.