order-of-operations-more-challenging-examples-pre-algebragrade-7-math

In this second part of a lesson on the order operations we will solve more challenging examples that have more operations than the ones in part 1. The expressions include exponents plus other operations. In these examples, divisions are written with a fraction line, which means that the division is done last. It is as if there were parentheses around the numerator and the denominator.

I also explain why we can do multiplications and divisions in any order IF the expression only contains multiplications & divisions, and no other operations. This boils down to the fact that each division can be written as a multiplication by the reciprocal of the divisor.

In my last example, we touch on decimal operations (decimal multiplication & division).

The first part of this lesson explains what the order of operations is, and can be found at https://www.youtube.com/watch?v=Hm1dvcVhnwA

Learn more pre-algebra (and practice the order of operations) with Math Mammoth Grade 7 Curriculum at http://www.mathmammoth.com/complete/grade_7.php - available as an instant download and as printed copies. Check out the free samples also!

And... please subscribe & like the video if it was of help! :)

Tagged under: Order Of Operations (Literature Subject),Mathematics (Field Of Study),Pre-algebra (Field Of Study),Seventh Grade (Grade Level)

Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.

Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip

Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans

1. Students enter a simple code

2. You play the video

3. The students comment

4. You review and reflect

* Whiteboard required for teacher-paced activities

With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.

Quickfire

Carry out a quickfire formative assessment to see what the whole class is thinking

Discuss

Create interactive presentations to spark creativity in class

Team Up

Student teams can create and share collaborative presentations from linked devices

Clip

Turn any public video into a live chat with questions and quizzes

Tried out the canvas response option on @SpiralEducation & it's so awesome! Add text or drawings AND annotate an image! #R10tech

Using @SpiralEducation in class for math review. Student approved! Thumbs up! Thanks.

Absolutely amazing collaboration from year 10 today. 100% engagement and constant smiles from all #lovetsla #spiral

Students show better Interpersonal Writing skills than Speaking via @SpiralEducation Great #data #langchat folks!

Dr Ayla Göl
@iladylayla

A good tool for supporting active #learning.

The Team Up app is unlike anything I have ever seen. You left NOTHING out! So impressed!