Unit rate from convenience store
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The document discusses unit rates and proportional relationships. It states that students should be able to determine if two quantities are proportional by checking for equivalent ratios in tables or graphs. It also says students should be able to identify the constant of proportionality or unit rate in tables, graphs, equations, diagrams or verbal descriptions of proportional relationships.
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London taxi drivers must pass a rigorous exam called "The Knowledge" to obtain their license. The exam tests drivers' memorization of over 25,000 streets and landmarks as well as the quickest routes between any two points in a trip within a six mile radius of Charing Cross. Passing the exam can take up to four years of intensive study as drivers commit every street and route to memory through various memorization techniques in order to navigate London's complex road network.
Percent increase at the store
The document discusses ounce amounts for different food items. A big bag contains 24.8 ounces. A Captain Crunch box and Great Value bottle are asked about but their ounce amounts are not provided. The smaller bottle contains 5.8 ounces. The document asks about ounce amounts for several food items but only provides the size of the big bag and smaller bottle.
Subtract integer practice
This document provides integer subtraction practice problems with the answers. There are 30 problems ranging from simple single digit subtraction to larger multi-digit problems involving positive and negative numbers. The problems cover a variety of subtraction scenarios including subtracting a larger number from a smaller number, subtracting a negative number, and subtracting two numbers with the same sign.
Percents lab
This document discusses solving multi-step ratio and percent problems using proportional relationships. It explains that percents can be used to solve problems involving interest, tax, discounts and tips. It asks the reader to write a paragraph explaining what percent means, how to solve a percent problem, and provide an example. It also asks the reader to explain what 100%, 10%, 200%, 90%, 300%, 50%, 400%, and 25% mean and provide an example for each.
Outliers
Outliers is a book written by Malcolm Gladwell that examines the factors that contribute to high levels of success. It explores how factors like birthdate, culture, and upbringing can impact one's path and argues that successful people are often products of their environment and dedicated practice rather than innate talent alone. The book also looks at how opportunities and access to resources can shape exceptional achievement over a lifetime.
Similar figures measurement copy
To find the height of a lamppost, measure the length of your shadow and the lamppost's shadow. Then use similar triangles to calculate the height of the lamppost based on your known height and the relative lengths of the shadows. The height of the lamppost can be calculated by taking your height divided by your shadow length and multiplying that ratio by the lamppost's shadow length.
Similar figures measurement copy
To find the height of a lamppost, measure the length of your shadow and the lamppost's shadow. Then use similar triangles to calculate the height of the lamppost based on your known height and the lengths of the shadows. The height of the lamppost will be proportional to your height based on the ratio of shadow lengths.
Multiply negative numbers copy
Here are the solutions to the daily startup problems with explanations:
I have 4 groups of 6 black chips.
4x6 = 24
I have 4 groups of 6 red chips.
4x6 = 24
I owe 4 groups of 6 black chips.
-4x6 = -24 (Owing chips is a negative amount)
I owe 4 groups of 6 red chips.
-4x6 = -24 (Owing chips is a negative amount)
In the first two situations, having chips is a positive amount. In the last two situations, owing chips is represented as a negative amount since it is a debt that is owed.
Slope intercept
Mr. Roberts had $20 initially and earns money at a rate of $4 per day. Using the equation y=mx+b and the information that Mr. Roberts had $20 initially (day 0) and $24 after 4 days, we can determine that the equation is y=$4x+20. Therefore, after 14 days Mr. Roberts will have $20 + 14 * $4 = $20 + $56 = $76.
I=prt interest
Here are 5 problems from chapter 7-8 problems 4-16 (even only) that I would choose to practice:
Problem 4) $800, 5%, 1 year
Problem 6) $1200, 4.5%, 18 months
Problem 8) $2000, 3.25%, 3 years
Problem 10) $3000, 2.75%, 5 years
Problem 14) $5000, 6%, 2 1/2 years
Percent change
The document provides examples of calculating percent change from original to new values, showing a 40% decrease when price drops from $100 to $60, and 119% increase when gas price rises from $1.30 to $2.85. It explains that percent change represents the amount of change relative to the original or starting value.
Markup and markdown
Here are some practice tax problems:
Cost of item: $50
Sales tax rate: 7%
Method 1:
50 + (50 x 0.07)
50 + 3.50
53.50
Method 2:
50 x 107%
50 x 1.07
53.50
Cost of item: $75
Sales tax rate: 4%
Method 1:
75 + (75 x 0.04)
75 + 3
78
Method 2:
75 x 104%
75 x 1.04
78
Let me know if you need any clarification or have additional questions!
Two 50% off coupons startup
The document discusses coupons and discounts for an item originally priced at $150. It states that there are two coupons that will be applied, with the first being 50% off the original price of $150, reducing it to $75. It then asks how much the final price will be after applying a 50% discount to the already discounted price of $75.
Percents lab
The document discusses using proportions to solve multi-step ratio and percent problems. It explains that percents refer to parts of a whole expressed as a fraction of 100, and provides examples of common percents like 10%, 50%, and 100%. Problems involving percents can be solved by determining what percentage of the whole is being considered and setting up proportional relationships between the percentages and quantities.
Square vs. cube
A perfect square can make a perfect cube when the number of blocks needed to form both the square and cube is the same. This occurs when the side of the square and cube are powers of two. The first time this happens is with 8 blocks forming an 8x8 square and 4x4x4 cube, as 8=23 and 4=22. The next larger numbers that are both perfect squares and cubes are 16, 64, 256, and 1024.
Distributive property
The document discusses the distributive property in algebra, noting that the FOIL method for multiplying two binomial expressions is actually an application of the distributive property. It states that as long as each term or element is distributed to the other terms, the multiplication has been done correctly according to the distributive property, regardless of the order used.
Scientific notation
Here are the conversions:
Thickness of paper = 0.004 inches
In feet: 0.004 inches = 0.0003333 feet
In yards: 0.004 inches = 0.0000444 yards
In miles: 0.004 inches = 0.000000000694444 miles
So in summary:
- Paper thickness is 0.004 inches
- In feet it is 0.0003333 feet
- In yards it is 0.0000444 yards
- In miles it is 0.000000000694444 miles
Rate conversion speed copy
This document discusses how to convert between different rates and ratios by recognizing proportional relationships and representing them with equations. It covers computing unit rates from ratios of fractions with like or different units, representing proportional relationships with equations, and using proportional relationships to solve multi-step ratio and percent problems.
Solving ratio equations
The document discusses four methods for solving ratio and proportion word problems:
1) Simplifying the ratios,
2) Using multiplication and division to equate the ratios,
3) Setting up cross products to solve for the missing value, and
4) Finding the unit rate and using it to determine the missing value. Examples are provided to illustrate each method.
Inforgraphics examples
Infographics are visual representations of information, data, or knowledge that use charts, graphs, diagrams, and other images to present complex information quickly and clearly. They can help simplify large amounts of statistical data or other information and make it more understandable and accessible for a wider audience. Effective infographics rely on designs, layouts, and visual cues to deliver messages efficiently in a manner that can be quickly understood.
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https://www.oeconsulting.com.sg/training-presentations]
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【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信：A575476】文凭即可
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留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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Unit rate from convenience store
- 1. Unit Rates 7.RP.1 Decide whether two quantities are in a proportional relationship, e.g., by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin. 7.RP.2a Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships. 7.RP.1 Decide whether two quantities are in a proportional relationship, e.g., by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin. 7.RP.2a Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships.
- 2. How much would this cost? At this gas station, you do not have to buy the whole 6-pack. You only pay for what you buy.
- 3. Work in Groups Discuss the different ways your group solved it. Write it in a math equation and one of the following: (symbol, graph, table, picture). (Level 4 quality please) Be ready to present to class.
- 4. Unit ratio 3.29 for 6= 3.29dollars (per) = 0.55 dollars 6 can 1 can How much for one? $0.54833333 about $0.55 3.29 = ? . 6 5
- 5. How much would this cost?
- 6. Analyze What did both groups do? What does the 0.73 mean? What does the 1.37 mean?
- 7. Analyze Both of these are UNIT RATES. Unit Rate is number PER one. How can you use each method to find out how much 3 bottles costs?
- 8. analyze How can you use each method to find out how much 3 bottles costs? Discuss in groups.
- 9. On your Own Explanation process: (Math Writing Expectations) How much does this cost? Include the following in writing: “unit rate” & “per”
- 10. On your Own Explanation process: (Math Writing Expectations) How much does this cost? Include the following in writing: “unit rate” & “per”