This is a collection of free math videos for 3rd grade, showing varied exercises for each topic. They match Math Mammoth Grade 3 curriculum but will also work no matter which curriculum you follow (in other words, the videos don't rely on you having Math Mammoth curriculum).
These videos are usable for students, teachers, and parents. You can use them...
Please choose a topic from the list. Please realize this is not a complete coverage of all 3rd grade math, and I hope to add to the collection in the future.
Regrouping twice in subtraction
Regrouping over zero tens (subtraction)
Three-digit subtraction word problems and a puzzle
The connection with addition and subtraction
Addition and subtraction with 4-digit numbers - mental math
A lesson on estimation - add/subtract 4-digit numbers
I offer a full list of videos for the multiplication tables, which have been put together on this page.
Divide evenly into groups — basic concept of division
The connection between multiplication and division
Division word problems versus multiplication word problems
Measuring to the nearest quarter inch
Grams and kilograms on a kitchen scale
Problems to solve: area of rectangles
Area of rectangles and the distributive property
Area and perimeter problems — rectangular shapes
Word problems with money and change
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