Relating Addition and Subtraction
In this algebraic expressions instructional activity, students learn about inverse operations and how to solve problems using them. They then solve 11 addition and subtraction problems on their own.
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One-Step Equations—Addition and Subtraction
Just one step is all you need to find success in solving equations. The 27th installment in a series of 36 teaches how to solve one-step equations involving addition and subtraction. Tape diagrams help future mathematicians in this task.
6th Math CCSS: Designed
Understanding Subtraction of Integers and Other Rational Numbers
Subtraction is all about opposites and the fifth lesson in a series of 25 introduces the concept of subtracting integers. Pupils connect subtracting with discarding a card in the integer game. They develop the rule for subtracting...
7th Math CCSS: Designed
Adding polynomials with multiple variables
While explaining how to add polynomial expressions with multiple variables, Sal uses academic vocabulary and a clear thinking process. This video is relatively short and would be appropriate for students working on homework or prepping...
3 mins 9th - 11th Math
Addition and Subtraction of Mixed Numbers
Demonstrate the process of adding and subtracting mixed numbers using a video tutorial. A video instructor explains the steps of combining mixed numbers as she works through several examples. The examples add and/or subtract up to four...
6 mins 3rd - 7th Math CCSS: Adaptable
Study Jams! Addition & Subtraction of Decimals
So current with preteens is the topic of downloading tunes into their computers! In a relatable lesson, viewers are taught to figure out if Zoe can afford to purchase two songs if she has $3.00 left to her credit. Mia talks them through...
4th - 6th Math CCSS: Adaptable
Write and Solve Subtraction Equations Using a Bar Model
Subtraction means take away, but the bar model shows how subtraction relates to addition. The bar model organizes the parts of an equation into a visual model. Using fact families, your mathematicians will be able to organize the...
6 mins 5th - 7th Math CCSS: Designed