Illustrative Mathematics
Illustrative Mathematics: G Srt, G Mg Coins in a Circular Pattern
In this task, students investigate how many coins will fit around a central coin when they are all of the same denomination, and if there is room left over. The teacher is given a chart of four coin denominations and their diameters, but...
Georgia Department of Education
Ga Virtual Learning: Ap Physics 1: Rotational Kinematics and Energy
This module is the introduction to model rotational motion. All of the concepts are conveniently recast into forms that have the same mathematical forms as their translational counterparts.
Illustrative Mathematics
Illustrative Mathematics: G Srt, G Mg Seven Circles Iii
In this task, students are shown circle formations where an inner circle is surrounded by a set of circles and all circles are touching. In the first situation, all circles have the same diameter. In the second, the inner circle is...
American Institute of Biological Sciences
Action Bioscience: Evidence of Evolutionary Transitions
Charles Darwin's theory that all living organisms are connected in some way has been confirmed through intense studies over centuries. Understand the similarities that bond all things living to the same family tree by checking out this...
Illustrative Mathematics
Illustrative Mathematics: 7.sp.8 Tetrahedral Dice
Many games use dice which are six-sided and fair (meaning each face on the die is equally likely to land face up). Many games also use the sum of two dice rolled at the same time to determine movement of game pieces. However, not all...
TED Talks
Ted: Ted Ed: Should You Trust Unanimous Decisions?
Imagine a police lineup where ten witnesses are asked to identify a bank robber they glimpsed fleeing the scene. If six of them pick the same person, there's a good chance that's the culprit. And if all ten do, you might think the case...
Other
Design a Study: How to Teach Handwriting
Very specific advice on teaching the skill of handwriting to young children. Making correct letters, making letters the same size, and the slant of the letters are all stressed.