A Lesson Plan for Teaching Three-Digit Place Value

In this lesson plan, second-grade students further develop their understanding of place value by identifying what each numeral of a three-digit number stands for. The lesson takes one 45-minute class period. Supplies include: Regular notebook paper or a math journalBase 10 blocks or base 10 block stampsNotecards with the numerals 0 through 9 written on them Objective The object of this lesson is for students to understand what the three digits of a number mean in terms of ones, tens and hundreds and to be able to explain how they came up with answers to questions about larger and smaller numbers.   Performance Standard Met: Understand that the three digits of a three-digit number represent quantities of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Introduction Write 706, 670, 760 and 607 on the board. Ask the students to write about these four numbers on a sheet of paper. Ask Which of these numbers is largest? Which number is the smallest? Step-by-Step Procedure Give students a few minutes to discuss their answers with a partner or a tablemate. Then, have students read aloud what they wrote on their papers and explain to the class how they figured out the larger or smaller numbers. Ask them to decide what two numbers are in the middle. After they have had a chance to discuss this question with a partner or with their table members, solicit answers from the class again.Discuss what the digits mean in each of these numbers and how their placement is vitally important to the number. The 6 in 607 is very different from the 6 in 706. You can highlight this to students by asking them if they would rather have the 6 quantity in money from the 607 or the 706.Model 706 on the board or on an overhead projector, and then have students draw 706 and other numbers with base 10 blocks or base 10 stamps. If neither of these materials is available, you can represent hundreds by using large squares, tens by drawing lines and ones by drawing small squares.Afte r you do model 706 together, write the following numbers on the board and have students model them in order: 135, 318, 420, 864 and 900.As the students write, draw or stamp these on their papers, walk around the classroom to see how students are doing. If some finish all five numbers correctly, feel free to provide them with an alternate activity or send them to finish up another project while you focus on the students who are having trouble with the concept.To close out the lesson, give every child a notecard with one numeral on it. Call three students to the front of the class. For example, 7, 3 and 2 come to the front of the class. Have the students stand next to each other, and have a volunteer read the threesome. Students should say Seven hundred thirty-two. Then ask students to tell you who is in the tens place, who is in the ones place, and who is in the hundreds place. Repeat until the class period is over. Homework Ask students to draw five three-digit numbers of their choice using squares for hundreds, lines for tens, and small squares for ones. Evaluation As you are walking around the class, take anecdotal notes on the students who are struggling with this concept. Make some time later in the week to meet with them in small groups or—if there are several of them—reteach the lesson at a later date.

Problem Human Rights Violations In Sino-Africa Cooperation

Problem: Human Rights Violations in Sino-Africa Cooperation China’s increasing presence in Africa has been exposed to international critiques for human rights violations. Rampant land grabbing by Chinese companies, labor abuses in Chinese factories and farms, and China’s close bonds with authoritarian governments are three major problems that have become protuberant, impeding the progress of China’s â€Å"Going-Abroad† strategy in Africa. Take China’s footprint in the African agricultural sector, for example. According to Human Rights Watch in 2012, the agriculture investment contract between China and Ethiopia helped foment the legitimacy of the notorious â€Å"Villagization† program through which the Ethiopian government forcibly relocated†¦show more content†¦As Chinese investments grow to be a major source of foreign direct investment in Africa , it accords with China’s long-term interest to improve Chinese investmentsâ₠¬â„¢ humanitarian record in Africa and take up broader responsibilities for African development. There are two tendencies to explain why the Chinese government needs a redirection of Sino-Africa cooperation : a) Growing resistance to Chinese money has been proved by the increasing number of conflicts between Chinese companies and the local communities; cases are found in Kenya, Mozambique, just to name a few. b) The international public opinion has been pervasively depicting Chinese investments as a â€Å"neo-colonialism† in Africa, which is not completely true but has burdened China with diplomatic pressure on human rights issues. As current Chinese policies towards Sino-African cooperation give tacit consent to humanitarian misconduct of Chinese entities and indiscriminately upper-level cooperation with some authoritarian governments, such a politically unsustainable strategy jeopardizes not only the reputation of Chinese companies but also the national image of China overseas. China’s long-term stance in Africa calls for a reform on China’s African policies. Since the problems in Sino-Africa cooperation derive from the deficiency of Chinese African policy and the ineffective surveillance system from both inside and outside, our fundamental solution is toShow MoreRelatedChina and Africa Trade Relations Essay1873 Words   |  8 Pagesplayed an important role in human history. Whether the swapping of an apple for an orange, or $12 million dollars for a new dam, the fluid movement of goods and services from one to another is how humans have been able to receive things they might not have had access to before. In the international community, trade is more important than ever, as it helps nations create camaraderie between each other, while simultaneously building their economies. Due to this, Africa has felt a burgeoning hopeRead MoreRussian Foreign Policy Paper3009 Words   |  13 Pagesover 15% of Russias overall trade volume . 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Ethics and Morality Free Essays

â€Å"In philosophy we have a problem knowing the origin of right and wrong, there are various theories and ideas but we do not seem to have a definite answer to this question. † By Jamee Ford In life people are brought up in different homes, surrounded by different people and are taught different ways of life. As we grow up we are taught the difference between what is considered right and what is considered wrong, which is based on what is socially acceptable. We will write a custom essay sample on Ethics and Morality or any similar topic only for you Order Now We learn from a young age how we are expected to behave, the rules we have to abide by given from family and the morals we should have and grow up with. In this society it is difficult to find the origin of right and wrong for there are so many theories and ideas, but yet there is no definite answer. I believe morality comes from us citizens, the law, our feelings and our religion can give a certain indication to how we set our values, but I belive it is an objective fact that what is said to be wrong is wrong and what is said to be right is right. A minority of people believe that morality comes from God. These people have a lot of faith and get their morals and understanding of right and wrong from their belief in god and their bible. For example in the Bible, there are the 10 Commandments, a list of what is acceptable and unacceptable according to God. But what if we don’t believe in god, where would our sense of right and wrong come from? If we can’t change people’s options and feelings on what is right and wrong just by saying that it is acceptable or unacceptable, then why is it okay to say God can. Without god, would their still be morality? Because if god made it acceptable to kill other people, that still wouldn’t make it okay, so I believe this theory is unproven and morality and our right and wrongs can’t come from this theory. Another theory that has brought to the attention of the origin of right and wrong is The ‘Feeling Theory’ and the ‘Boo-hoorah’ theory. The feeling theory is an example of how morality does come from us. We make things right or wrong by approving or disproving of them. If a person has certain feelings about another person’s actions, it is saying something about them. If they disprove of an action, it is considered morally wrong to that person. This theory is people making a claim about what they think; they are claiming whether the action is right or wrong. The ‘Boo-Hoorah Theory’ is another example of how morality comes from us but involves expressing what we think is right or wrong rather than making a claim about it. Something is neither true nor false and according to this theory there is no fact of the matter just an expression of what the person observing thinks. The feeling theory and the boo-hoorah theory are both wrong for everyone is different and raised differently with different beliefs (everyone has different feelings). So technically one person can truly believe that it is okay to kill while another says it’s not okay, these two people are contradicting one another which rules out both theories. Some children are brought up in an abusive home environment; does this mean that morally they think its okay to treat people differently based on how they were raised? All people are raised in a different environment, under different circumstances so if morality comes from us then morality would have to include a whole lot of different views. Another important theory is that morality and our right and wrongs come from the law. Morality and the law often correspond, our morals are what we consider right and wrong, While the law is what has been decided as right and wrong for us. Both murder and stealing are things we consider morally wrong and are also against the law. In the perfect world we all want the law to coincide with morality, but in reality most likely will never be like that. For example drugs are illegal and the law will not accept any sort of behaviour involving drugs, but in some cases people justify that is morally acceptable to deal drugs use it for personal use because of financial situations and pleasure. So they morally justify it in their own head for it to be okay. Even though morality can be guided by the law, helping us understand the differences between right and wrong, morality can’t come from the law, for there are a lot of things the law accept but us civilians see it as wrong. As we can see morality cannot come from the above theories, for they all leave the question of the origin of right and wrong UN answered. I believe that morality comes from us and that things are right and wrong anyway. I believe G. E Moores theory of the extra fact (the six sense) that can detect wrongness. I truly believe this for it is true that there is that something inside of us, guiding us and helping us know what is right and wrong. We on’t necessarily have to be taught about all the wrongs in life to just get that gut feeling that mugging an elderly person is just wrong, why do we feel that? Why don’t we do it? It is because it is something that is just there. Also everyone in the world is different, we all come from different backgrounds and everyone has been brought up differently, in different environments. So therefore we all have different feelings and beliefs, for someone can truly believe that stealing is acceptable, when another thinks it is wrong. Morality is based on how you feel and how you treat people, expecting the same in return; you wouldn’t want someone to hurt you, so why would you want to hurt them. There are no proven facts to where right and wrong comes from but it is something that is just there. It changes over time, and things that were once believed as right are now seen as wrong. So therefore we cannot place judgements for we don’t know what morality and right and wrong will be seen as in ten years time, it’s based you as a person. How to cite Ethics and Morality, Essay examples

Impacts of the Printer

Question: Describe the impacts of the printer in the 'usage' stage and how its effects the economy only. Answer: Printer is a device that is used for printing the text on the paper. The life cycle of printers is as follows: The worlds first computer printer was invented in 19th century by Charles Babbage. Later with the new improvement in technology, then commercial printers like Electric typewriters and teletype machines were invented.[4] Among the most widely used systems, Line printer is the most used one due to its high speed. Dot matrix systems could print both text and graphics at relatively low quality output.[3] With the introduction of low cost printers by HP (the first HP laser Jet), there has been sudden increase in the sales of the printers. Due to its low cost and high performance, Printing has became much more easier. These laser printers with PostScript mixed text have made printing tasks much more simple. By 2000s, Many high quality printers had fallen under the price of $100 and these have become very common in sales. In 2001, Xerox was manufactured.[2] This could achieve 120 p pm. Later in 2010, 3D printing is also came into existence, this became an area of intense interest and it allows the creation of physical objects. The best economy printers are inkjet printers. These offer productive and economical printing as compared to laser printers. [1] The Printers greatly affected the economy. The printing was a creation that prompted the flourishment of exchange through all the Europe because of expanded demands. This was a reason for a more grounded economy.[4] Additionally, a less demanding approach to print books prompted more moderate books. Due to the printing of more great books, printers developed the business sector for books and also for printers to print these books. It has greatly strengthened the economy. Stores could now offer and purchase books all more quickly. The interest for books and daily papers likewise prompted more creations for printers to develop the economy. In conclusion, Printers turned into a substantial industry and prompted diverse organizations to move into vast loud manufacturing plants. References: Katarzyna Grzesik, Life Cycle Assessment of Printer , 2010. Justin Bousquin, Marcos Esterman, Sandra Rothenberg, Life cycle analysis in the printing industry: a review, 2011. What is Printer, https://www.webopedia.com/TERM/P/printer.html. Printer, https://en.wikipedia.org/wiki/Printer_(computing) .