Greetings! This week we will be finishing up the remainder of lessons for Mid Module 4 (6-8 & 10-11) and will be looking at our Mid Module 4 test around Wednesday next week. We will expand our discussion of percents to include markup and markdown (we briefly reviewed this in Module 1), percent error, simple interest and tax, commissions and fees.
Here are some review links for various topics that we will be/have been covering. Percent Change - I recently posted a question for the discussion board in Schoology, "Which goes through a greater change - a chipmunk that grows 1 inch in length or an elephant that grows 5 inches in length?" Some students thought the elephant because 5 inches is greater than 1 inch and others thought the chipmunk because it was smaller to begin with. When you calculate the percent change, (new - original)/original * 100, you get a larger percent change for the chipmunk. Here is a link for the Eureka Lesson 4: Percent Increase/Decrease Percent Error - this can help put things in perspective instead of just relating the amount by which a value was "off". For example, if you were to measure the length of a football field and were a centimeter off, versus a heart surgeon who was a centimeter off, the percent error of the heart surgeon would be much larger, given that he/she has less room for error. The person measuring the football field would have a low percent error because what they are measuring is relatively large. The larger the actual value (the denominator in the percent error calculation), the more you can be "off" from the exact value and still have a relatively low percent error. The Quizizz for this week will focus on the basics of converting between fractions, decimals and percents as well as comparing the quantities. The code is 298918 and will be due Thurs. night. Be sure to check out the Smarter Balanced practice website HERE. We will also be accessing this during class this week to help students become familiar with the resources available to them, including the online calculator that will be available for them to use on the 7th grade test (different calculator than what was available for the 6th grade test). Upcoming Key Dates:
Have a great week!
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