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7 th Grade Math Week of 9/15/14
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Monday: Bell Work –25 = 7h + 3 Solve the equations TURN IN WORKBOOK PAGE 102!!
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20. Factor What does this word mean to you? This word actually means….. a number that is multiplied by another number to get a product. Examples… Explain how you would use this word in math.
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21. Equivalent What does this word mean to you? This word actually means….. having the same value. Examples… Explain how you would use this word in math.
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2- Step Equation... use patterns and properties to explore, develop properties and describe real-world situations represented by the multiplication or division of integers? (7.NS.2a)
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Properties foldable 1 piece of paper needed!!
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Foldable Cut this section off
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Foldable Fold in 1/2
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Foldable Cut 3 lines to make 4 flaps
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Foldable Identity Distributive Associative Commutative
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Identity Property
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Commutative
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Distributive
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Associative
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HW Worksheet Identify the property being shown
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Exit / Closure How do inverse operations have an impact upon equations?
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Tuesday: Bell Work 1) a + 5 = 8 -4 Solve the equations TURN IN HOMEWORK!
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22. Inequality What does this word mean to you? This word actually means….. two values or quantities that are not equal. Examples… Explain how you would use this word in math.
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26. Scientific Notation What does this word mean to you? This word actually means….. A method of writing very large or very small numbers by using powers of 10. Examples… Explain how you would use this word in math.
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27. (Square) Roots What does this word mean to you? This word actually means….. A number that is multiplied by itself to form a product is called a square root of that product. Examples… Explain how you would use this word in math.
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Lesson... solve real-world problems involving the addition, subtraction, multiplication, and/or division of rational numbers? (7.NS.3)
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Adding Decimals
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Subtracting Decimals
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Exit / Closure In math, what is the definition of additive inverse. When do you see additive inverse being used?
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Wednesday: Bell Work 1)Danielle spent $35 on a magazine and some notepads. If the magazine cost $3 and each notepad cost $4 then how many notepads did she buy? *Write and solve the 2-step equation. The variable cannot be in the answer.*
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23. Contextual What does this word mean to you? This word actually means….. using words to explain the meaning of a statement. Examples… Explain how you would use this word in math.
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28. Perfect Square What does this word mean to you? This word actually means….. A square of a whole number. Examples… Explain how you would use this word in math.
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How to Multiply Decimals Just follow these steps: Multiply normally, ignoring the decimal points. Then put the decimal point in the answer - it will have as many decimal places as the two original numbers combined.
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Lesson... solve real-world problems involving the addition, subtraction, multiplication, and/or division of rational numbers? (7.NS.3)
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Exit / Closure Why is it important to line the decimals up with adding or subtracting? How does this relate to your knowledge of place value?
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Thursday: Bell Work 1) Jamie had $20 to spend on seven raffle tickets. After buying them she had $6. How much did each raffle ticket cost? Write and solve the 2-step equation. The variable cannot be in the answer.* 2) Write 3/ 7 as a decimal number up to the thousandths place value.
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24. Compare What does this word mean to you? This word actually means….. measure the similarities and/or differences between quantities. Examples… Explain how you would use this word in math.
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29. Irrational What does this word mean to you? This word actually means….. A number that cannot be expressed as a ratio of two integers or as a repeating or terminating decimal. Examples… Explain how you would use this word in math.
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Lesson... solve real-world problems involving the addition, subtraction, multiplication, and/or division of rational numbers? (7.NS.3) N2K 3
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Critical Thinking Activity 5. Select the most accurate decimal form for the fraction 2/9. _ A) 0.2 B) 2.9 C) 0.2 D) 4.5 WB p. 102
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Constructed Response 5. Arianne was given the fraction 13/8 and was told to convert it into its decimal form. Her work is below: ___.1625___ 8 ) 13 -8 5 0 -48 2 0 -16 4 0 -40 0 She got the decimal 0.1625 for the decimal. Is she correct? Use estimation to justify your answer.
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Exit / Closure What is the importance of checking your work in math? Discuss with a partner
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Friday: Bell Work Ashley spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $9. What is her weekly allowance if she ended with $15? *Write and solve a 2-step equation. ***notes for Agenda Word Wall Vocabulary Quiz – Monday 9/22 Benchmark – Monday 9/29 Ch 3 Test – Friday 10/3
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25. Convert What does this word mean to you? This word actually means….. to express a value in another form. Examples… Explain how you would use this word in math.
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30. Perfect Cube What does this word mean to you? This word actually means….. A cube, which is a number that is multiplied three times by itself, of a whole number. Examples… Explain how you would use this word in math.
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Lesson... solve real-world problems involving the addition, subtraction, multiplication, and/or division of rational numbers? (7.NS.3)
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Dividing Decimals Dividing a Decimal Number by a Whole Number To divide a decimal number by a whole number: Use Division or Long Division (ignoring the decimal point)Long Division Then put the decimal point in the same spot as the dividend (the number being divided)
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Dividing by a Decimal Number But what if we want to divide by a Decimal Number? The trick is to change the number we are dividing by to a whole number first, by shifting the decimal point of both numbers to the right: Now we are dividing by a whole number, and can continue as normal. It is safe to do this if we remember to shift the decimal point of both numbers the same number of places.
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Exit / Closure Tommy said that 4 + 2 x = -24 x is 14. Justify whether Tommy is incorrect or correct. ***Be ready to explain your answer to a partner.
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