Selecting "AUTO" in the variable box will make the calculator automatically solve for the first variable it sees. Quick-Start Guide The calculator uses cross multiplication to convert proportions into equations which are then solved using ordinary equation solving methods. Be sure to enter something in each input box before clicking solve.

Monday, April 30, Sugar Packets and Proportions After spending three days working with my 8th graders on a road trip project, I needed a one-day activity that was fun, interactive, and tied to the 8th grade Oklahoma math standards.

While I have been following his blog for years, I had never actually tried out any of his ideas in a classroom. My students still needed some more practice with proportions, so I decided to go with the Sugar Packets Proportion method algebra.

I watched the videos several times. I thought about what questions I would ask. I thought about how students would respond to the videos. I came up with a creative way to expand this idea into a minute lesson. Next, I started trying to talk myself out of the idea. I started thinking about all the things that could go terribly wrong.

What if the students could tell me what information they needed? What if the class isn't engaged by Proportion method algebra video? What if this lesson totally flops? And, I probably would have succeeded in talking myself out of this lesson if I had any other idea of what to do the next day.

But, it was my last lesson plan for my student teaching, and I was out of inspiration. So, I went with it, and I am so glad I did. I began the lesson by having students brainstorm various professions and activities that would involve ratios and proportions.

We had just used proportions to plan a road trip, and I wanted students to realize that the math we have been learning has real-world application. One student asked, "Did he die after that? Have students write down guesses. It was interesting to walk around the room and read the students' guesses.

Over the course of the day, guesses ranged from 3 to packets of sugar. I also had students write down guesses that they knew were too high or too low. These were interesting, but I'm not sure I fully understand what types of responses I should have been looking for.

Next, I asked students what information they would need to solve the problem. Originally, many students wanted to use the fact that the bottle was 20 ounces. But, soon, through discussion, the students arrived at the fact that we needed to know how much sugar was in each packet and how much sugar was in the bottle.

After providing pictures of the nutrition labels, the students were able to set up proportions and solve for the correct number of packets. Show the un-edited video. After the video reveal, I had students form 4 groups.

I told them that I had gone on a shopping adventure and brought my purchases with me to class. As a group, they were asked to rank the beverages from least to greatest based on their sugar content.

Each group was given one bottle to start out with. Using the fact that there are 4 grams of sugar in 1 sugar packet and the nutritional information on the back of the bottle, each group solved for the number of sugar packets in the bottle. Though I wanted them working in groups so they could talk about how to solve the problem, I wanted to make sure each student was solving each problem.

Each student was responsible for having a proportion and work on their paper for each bottle. As the class period progressed, the bottles circulated the room. Another 8th grade math standard is choosing appropriate data displays. After each group had calculated the amount of sugar packets in each of the four bottles, they had to discuss what the most appropriate data display would be for this data.

Then, each student had to create a graph of the data to show how many sugar packets were in each beverage.

acknowledgement: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z: Absolute Value: the absolute value of a number is the distance the number is from the zero point. Ratios and Proportion Worksheets Fifth and sixth grade students will never forget these exciting, visual worksheets that will make ratios and proportions easy to understand. Watch their own understanding grow proportionally as they explore writing ratios in different ways, discovering whether ratios are proportional, and solving proportion. A proportion is an equation which states that two ratios are equal. When the terms of a proportion are cross multiplied, the cross products are equal. Cross multiplication is the multiplication of the numerator of the first ratio by the denominator of the second ratio and the multiplication of the denominator of the first ratio by the numerator.

This led to some interesting conversations with students. Instead, I found myself asking students questions to guide them to the correct graphs. This is definitely an area I need to work on. Based on the amount of time left in the class period, I presented students with some of my other purchases.

We estimated the number of sugar packets in each food. Then, we set up a proportion to solve for the actual amount of sugar packets.About This Quiz & Worksheet.

To pass these assessments, you have to practice applying the proportion method to solve problems. You must also understand fractions and their value. Students play a generalized version of connect four, gaining the chance to place a piece on the board by solving an algebraic equation.

Parameters: Level of difficulty of equations to solve and type of problem. (ii) Ratio and Proportion problems done arithmetically without having to deal with the full sophistication of proportional reasoning. This will including a "Data Analysis" problem on the MD HSA sample Algebra test, that was solved by few students.

Definition Of Proportion. A proportion is an equation written in the form stating that two ratios are equivalent.. In other words, two sets of numbers are proportional if one set is a constant times the other. More Ways To Use Math Games Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level The more questions you answer correctly, the more stars you'll unlock! Sugar Packets and Proportions After spending three days working with my 8th graders on a road trip project, I needed a one-day activity that was fun, interactive, and tied to the 8th grade Oklahoma math .

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