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Chapter 2 Numbers and Money

Chapter 2 Numbers and Money. Mrs. Dover’s 4 th Grade. Today's Quick Check. The Mississippi River is 2,348 miles long. The Nile River is 4,160 miles long. The Amazon River is 4,000 miles long. Order these rivers from shortest to longest. Lesson 2.1 Count Money and Make Change.

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Chapter 2 Numbers and Money

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  1. Chapter 2Numbers and Money Mrs. Dover’s 4th Grade

  2. Today's Quick Check • The Mississippi River is 2,348 miles long. The Nile River is 4,160 miles long. The Amazon River is 4,000 miles long. Order these rivers from shortest to longest

  3. Lesson 2.1Count Money and Make Change • Define penny, nickel, dime, quarter and dollar bill. • How much is each unit of currency worth, give an example of something you could buy with each. • When counting up to find change you should start with the least valuable and count up so you don’t get to much change. Ex. If something cost $2.45 and you give the cashier $3.00 you would count back like this: Nickle = 2.50 Quarter = 2.75 Quarter = 3.00 1 nickle + 2 quarters = 51 cents

  4. Lesson 2.1Count Money and Make Change • What change would you give, using the least number of coins and bills, for a purchase of $2.64 that is paid for with a $5.oo bill. (As a Class) • Jess buys a notepad for $1.39. He gives Myra a $5.00 bill. How much change should Myra give jess. (With a partner) • If lunch cost $ 4.19 and you give the cashier a $10 bill how much change should you receive? (Independent) • Teacher led station: Foldable • Student led station: Enrich • Smart board station: • Independent work station: 1.2 P/LPS

  5. Today's Quick Check • Find the amount of change where the first number is the price and the second number is the amount given. • $1.87 ; $2.00 • $3.24 ; $5.00 • $6.28 ; $10.00 • $16.98 ; $20.00

  6. Lesson 2.2Algebra: Compare and Order Money Amounts • What does less than (<) and more than (>) mean? • You can compare and order money amounts the same way you did with whole numbers. • Always line up the decimals, then compare the amounts. (P.24)

  7. Lesson 2.2Algebra: Compare and Order Money Amounts • Order the following from least to greatest. $0.59, $1.59, $0.56 $45.88, $51.72, $33.65 • Order the following from greatest to least. $1.59, $0.55, $0.56 $111.24, $104.62, $95.50 Teacher led station: 2.2 RT / E Student led station: Count your change game (P.23) Smart board: Independent work station: P.24 1-31

  8. Today's Quick Check • Order from the least to greatest: • $1.67 ; $1.64 ; $1.72 • $35.65 ; $34.99 ; $34.78 • $89.79 ; $89.99 ; $89.95 • $245.30 ; $246.00 ; $246.03

  9. Lesson 2.3Round Numbers and Money • Vocabulary Word: Round: to find the nearest value of a number based on a given place value. • To round to a specific place value you have to look at the number to the right of that place value. • Ex. 124 to the nearest hundred • 124 underline the place value you are rounding. • Now look at the number to the right of that place 124. • If that number is 4 or smaller the number in the hundreds place stays the same. If the number is 5 or larger the number in the hundreds place goes up.

  10. Lesson 2.3Round Numbers and Money Key Points • Always underline the place value you are rounding to. • Go to the number to the right of that place value. • If that number is 5 or greater the underline number goes up. • Let’s Try: • Round 674 to the nearest hundred. • 489,039 to the nearest ten thousand. • $7.13 to the nearest 10 cents. • $13.21 to the nearest dollar.

  11. Lesson 2.3Round Numbers and Money Teacher led station: 2.3 RT Student led station: Play the game from yesterday Smart board station: Independent work station:

  12. Today's Quick Check • Round to the nearest thousand. • 7,489 • 2,813 • Round to the nearest hundred thousand. • 390,004 • 629,766

  13. Lesson 2.4 Problem Solving:Make a table • A table is an organized grouping of information in rows and columns that makes the information easier to understand. • P.30 (discuss) • P.31 # 6

  14. Lesson 2.4 Problem Solving:Make a table • Try # 10 P.31 Teacher led station: 2.4 P Student led station: Using the roll paper write your groups own question. Smart board station: Independent work station: LPS

  15. Lesson 2.1Count Money and Make Change • As a class review p.32 • Independently do p.33 Chapter 2 Test Tomorrow!!

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