Addition is really about finding sums, or totals. Subtraction is about finding the difference between two numbers. Learn more about adding and subtracting without regrouping with this step-by-step, interactive video from StudyJams. A short, self-c...hecking quiz is also included with the link.[more]

This short video teaches you how to use the order of operations correctly. They use Please Excuse My Dear Aunt Sally.
Please - Parenthesis, Excuse - Exponents, My - Multiplication, Dear - Division, Aunt - Addition, and Sally - Subtraction as a mnem...onic devise.[more]

From discoveryeducation.com, produced by Discovery Education

In this computer animated video, students are taught to add two digit numbers using regrouping. Students are also shown a strategy for adding two digit and one digit numbers using mental math. ( 3:23)

This song talks about adding and subtracting. It explains what it means to add and what it means to subtract, then illustrates the concepts with simple word problems and accompanying pictures. It also talks about plus and minus and words that also ...mean adding and subtracting. This is a great resource to introduce and/or review these crucial mathematical skills in the elementary classroom. (2:31)[more]

This jazzy song by Jack Hartmann is accompanied by a fun video. It talks about addition and subtraction and incorporates movement. When the answer to a given addition problem is 3, the song tells the viewer to move 3 parts of his/her body. This wo...uld be a fun way to review and practice simple addition and subtraction facts. The words to the song and the number sentences also appear on the screen.[more]

A fun lesson. Nicholas Hyde, head of science in a school in England teaches Grade 6 maths students how to analyse juggling techniques to introduce number sequences and algebra. (In England people say "maths" instead of "math")

In this video, Mr. Almeida explains how to use mental strategies to add and subtract within 20 using the relationship between addition and subtraction. This is one of the strategies suggested in the Common Core State Standards for Mathematics, 1.OA.6... and 2.OA.2. This would be a great resource for teacher professional development or for direction instruction. (4:22)[more]

En este video, el profesor habla sobre varias operaciones básicas. Empieza con el valor absoluto y sigue con la suma de enteros, resta de enteros, multiplicación de enteros, y la división de enteros. El video ofrece ejemplos de cada operacion. (10:17...)[more]

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