Curated OER
Book Title: 12 Ways to Get to 11 by Eve Merriam
Students complete activities to explore number sequence. In this number arrangements lesson plan, students play a game of finger flash and then read the book 12 Ways to Get to 11. Students count and track the amounts in the book to make...
National Council of Teachers of Mathematics
Nctm: Figure This: Combination Locks
If you're good with numbers, then here's a challenge just for you. See if you can figure out how many three number combinations you can make using numbers from 0 to 39. A probability challenge that explores number arrangements. Taken...