EOG Review Week 1

Review of Number System Standards:

Fraction Division

Decimal Operations​

Agenda

• Welcomes

• Warm-up

• Review Division of Fractions

  • Practice

• Review Decimal Operations

  • Practice

Always remember...KCF

• KEEP, CHANGE, FLIP

  • Keep the first fraction

  • Change the Operation

  • Flip the second

• Works for all division of fraction Problems​

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Cannot divide by Mixed Numbers

• Must Change Mixed Numbers to Improper Fractions before division

  • Denominator times whole number, plus numerator

• To go from Improper to Mixed

  • Numerator divided by denominator (top divided by bottom)​

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I do... 3 2/3÷5

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We do... 2/5÷2

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We do... Jamal will cut a piece of wood that is 2 1/2 feet long into 1/4 foot sections. How many sections will result?

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​Decimal Operations

• We will review adding, subtracting, multiplying and dividing of decimals here.

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Adding and Subtracting Decimals

1. Line up the decimals and place values

2. Fill in zeros

3. Add/Subtract

4. Bring down the decimal​

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Multiplying Decimals

1. Stack numbers

2. DO NOT LINE UP DECIMALS!!!

3. Multiply like normal

4. Count digits after the decimal points

5. Move Decimal to the left that many times

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Division of Decimals

1. Place first number inside the house and second outside the house

2. If the divisor has a decimal in it, make it a whole number

3. Move the decimal of the​ dividend inside the house the same number of times

4. Bring the decimal up

5. Divide​

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