State exam math question on Order of Operations (#6). 5th Grade Math.

NGSS Science Videos

This video helps children prepare for state math exams by explaining how to solve a retired (released) question from an actual state exam.    - If you want to copy any of our more than 100 free Google Forms (all with questions and links to free-access educational videos we've made), then please download this free file from TPT and it will give you directions for how to access them: https://www.teacherspayteachers.com/Product/State-Math-Test-questions-and-answers-as-a-Google-Form-2022-Q6-10-V2-11530867   Other free resources we've made:  - For links to many free educational resources, please visit our website (no 3rd party advertising, no subscriptions, no paywalls): https://TestPrepLLC.org/   - For our free apps for Apple's Mac and iPad (collects no data, no advertising, no subscriptions, no paywalls, no in-app purchases), please visit our page on the Apple App Store. These apps include Common Core and State based practice tests in math, and State science exams based on NGSS and State curriculums (all with detailed, colorful explanations): https://apps.apple.com/us/developer/test-prep-llc/id1727786893   Best wishes,  The staff at Test Prep LLC  https://TestPrepLLC.org

Transcript

00:00This video is part of a Google Form quiz that teachers can assign to their students for homework.

00:06After the students submit their answers, then they can play a video like this one to see the

00:10answer explained. We've made more than 100 quizzes as Google Forms with free access videos,

00:17which teachers are welcome to copy for free. To get access to these, please see the link in the

00:22description. This video is based on a question from an actual state exam. You may have one like

00:28this on your state exam. If you've already done so, we suggest that you watch the video on

00:34order of operations before watching this video. The directions tell us to simplify this expression.

00:42In math, the word simplify means the same as to calculate the operations in an expression.

00:49Here's a reminder of the order of operations. For elementary school, they're free boxes.

00:54The order of operations tells us which order to do things in. We start with the top box,

01:00then do the middle box, then do the bottom box. The order is parentheses, then multiply and divide,

01:07then add and subtract. One way to remember what words go in each box is to use a memory aid like

01:13this sentence. Please make drinks and sandwiches. The first letter of each word in the memory aid

01:19is the same as the first letter in the order of operations. We also write in a reminder that if

01:24both are present, then do the left ones before the right ones. Since there are parentheses present,

01:31we start by doing the calculation inside the parentheses. 12 minus 3 equals 9, so we bring that

01:38down. We also bring down the number 4 and the multiplication sign. The only operation left is

01:45multiplication. 4 times 9 equals 36. So the value for this expression is 36. Thanks for your attention.

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