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Welcome Mathematicians (9.28.15) 1. Pull out your Math Supplies 2. Fill in your agenda 3. Have out your homework 4. Start on your Do Now (Binders)

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Presentation on theme: "Welcome Mathematicians (9.28.15) 1. Pull out your Math Supplies 2. Fill in your agenda 3. Have out your homework 4. Start on your Do Now (Binders)"— Presentation transcript:

1 Welcome Mathematicians (9.28.15) 1. Pull out your Math Supplies 2. Fill in your agenda 3. Have out your homework 4. Start on your Do Now (Binders)

2 Do Now  What is the distance the drivers will drive all together?  A driver (one driver)-can drive 575 miles a day.  There are 32 drivers.  Repeated addition  Multiply 575 X 32  18,400 miles One driver can drive 575 Miles

3 Do Now 5.275 Circle digit (thousandths place tells the 7 hundredths to soar and becomes and 8.

4 Homework Check

5 Today  Check multiplication fluency  Multiplying 3-digit by 2-digit

6 Multiplying 3-Digit by 2-Digit  I can….

7 Vocabulary  Multiplication - The basic ideal of multiplication is repeated addition.  For example: 5 × 3 = 5 + 5 + 5 = 15

8 Vocabulary  Factor- are numbers you can multiply together to get another number: Example: 2 and 3 are factors of 6, because 2 × 3 = 6.

9 Vocabulary  Product- the answer to a multiplication problem.

10 Vocabulary  Partial Product- when multiplying by a multi-digit multiplier, the result obtained when a factor is multiplied by the value of one of the digits.

11 Vocabulary  Distributive Property- is an algebraic property which is used to multiply a single term and two or more terms inside a set of parentheses. 5 (4 + 8) = 5 x 4 + 5 x 8 = 60 or 5 (4 + 8) = 5 x 12 =60

12 Different ways to represent Multiplication X Symbol () Parenthesis 9 x 89 8 9(8)

13 Multiplying Whole Numbers 3- digits by 2- digits Multiply zero 38,952 Add

14 Open to page 39

15 Now you try pg. 40


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