unit 1 – factors and fractions dividing fractions
TRANSCRIPT
Unit 1 – Factors and Unit 1 – Factors and FractionsFractionsDividing FractionsDividing Fractions
You Desk Needs to have: Do Now Packet Homework
Homework facing up
When done, place your Do Now on the blue x and read a DEAR book
6 Minutes of Silence to Get Ready for our Day!!!
NOISE METER: SILENT
ObjectiveObjective
Scholars Will Be Able To… divide fractions Scholars Will Be Able To… divide fractions using the KFC method using the KFC method
Convert Whole Convert Whole Numbers to Numbers to Fractions Fractions
SHAPESHAPE:: Write the ___________ number as a Write the ___________ number as a fraction (over 1)fraction (over 1)
9 12 9 12 49 49
whole
1 1 1
Reciprocal Reciprocal
The reciprocal is the multiplicative inverse of The reciprocal is the multiplicative inverse of a number. a number.
is is is is 6 is 6 is
7 4
2 9 1 6
1
Essentially, the
reciprocal is when I flip my
fraction
Method for Dividing Method for Dividing FractionsFractions
1.1. Keep : Keep : Keep the first Keep the first fraction fraction the samethe same
2.2. FlipFlip: : Flip the second fractionFlip the second fraction
3.3. Change: Change: Change the operation to Change the operation to multiplicationmultiplication
Example 1Example 1
Keep
1
8
4
1
4
8
Flip
x =
Change
Example 2Example 2
Keep
9
10
Flip
20
2
Change
x =
180 20
Example 3Example 3
GP: DrillGP: Drill
Write the reciprocal of each number Write the reciprocal of each number
1
4
4
3
6
5
3
2
5
1
1
9
GP 1GP 1
GP 2GP 2
GP 3GP 3
Independent Practice: 1. The noise meter is on silent.
2. Be sure to CHECK YOUR WORK.
3. Read silently if you finish early.