PBS
Pbs: Order of Operations: Flocabulary's Pemdas Lesson
Watch and listen to a recitation of the order of operations set to hip-hop music. This video focuses on PEMDAS as the acronym for order of operations and demonstrates the concept by walking through a problem in the correct order.
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
Better Lesson
Better Lesson: Math Centers Sorting
In order to pull small groups during math instruction, the rest of the students need engaging activities that they can complete independently. These simple sorting activities help students learn the procedures for completing math centers.
National Council of Teachers of Mathematics
Nctm: Illuminations: Grouping and Grazing
A game that reviews grouping in fives and tens, and adding and subtracting. The instuctions are clear and include a video of how to play.