Monday, October 31st • Please get a new warm up and complete todays

warm up• Did you write down your homework?!?!

1. Find the sum

2. Find the GCF of 32 and 60

Warm Up1 14 23 7

Corny Joke of the Day

What is a ghosts favorite

fruit?

Boo-berries

Schedule Monday: Go over Witches' Brew Answers and start regroupingTuesday: Einstein of the Month, Finish regrouping Wednesday: Get study guide Thursday: Review + and – Friday: Test Part 1 (+ and – fractions)

Next week: x and ÷ fractions

Who did the problem correctly?

1 16 32 6

2312

133

1 16 32 6

1 16 32 6

Weekly Review• Make sure you

show work on a separate sheet of paper

• Either categorize it (Monday-Thursday) or number it please!!!

+ and – decimals & fractions

• 31.966•1 ¼ •304.66•1/3

Prime Factorization

• 2•490•3x5•7 x 13

Exponents

•625•3x4•1•1^6

GCF/LCM

• 2•63•GCF: 5 LCM: 150•7

Witches' Brew Answers

5 pts. each

Todays MissionRegrouping

when subtracting

2 14__ 1 5

4__

–1

14__

– 1______ ______

= 24__ 1

2__

34__

Regroup 2 as 1 .34__

54__

The tree has grown ft since it was planted.12__

141 1

414

14

14

114

14

14

14

1

1

1414

Kevin and his family planted a tree when it was 1 ft tall. Now the tree is 2 ft tall. How much has the tree grown since it was planted?

34__

14__

14__ 3

4__

The difference in the heights can be represented by 2 – 1 .

First, Kevin subtracted his big numbers and got 1. However, when he went to

subtract his small numbers he got realized he couldn’t take ¾ away from

¼. What should he do?

Regrouping

Renaming fractions I need to rename to have enough fourths to

take away fromHere’s how you do it!

1. Subtract 1 from your big 2. add your numerator to your denominator3. Answer to step 2 is your new numerator

1 24 24 4

144

1 54 34 4

You Try! Rename each fraction

1.

2.

3.

4.

265

133

598115

you got this!

Lace up your shoes and let’s get ready to

PRACTICE!!!!!!

16__ 5

6__

7 16__ 6 7

6__ Rename 7 as 6 + 1 = 6 + + .

–2 5

6__ –2 5

6__

______ ______

4 26__

Subtract the fractions and then the whole numbers.

16__ 1

6__ 6

6__ 1

6__

Write the answer in simplest form.

= 4 13__

7 – 2

#1

25__ 7

10__

8 410__ 7 14

10__

Rename 8 as 7 + 1 = 7 + + . –6 710__ –6 7

10__

______ ______

1 710__ Subtract the fractions and then the

whole numbers.

410__ 4

10__ 10

10__ 4

10__

10 is a multiple of 5, so 10 is a common denominator.

8 – 6

#2

23__

6 5 33__

–3 23__ –3 2

3__

______ ______

2

Subtract the fractions and then the whole numbers.

Write 6 as a mixed number with a denominator of 3. Rename 6 as 5 + .3

3__

13__

6 – 3

#3

13__ 3

4__

5 412__ 4 16

12__

–2 912__ –2 9

12__

______ ______

2 712__ Subtract the fractions and then the

whole numbers.

Rename 5 as 4 + 1 = 4 + + . 412 __ 4

12__ 12

12__ 4

12__

The LCM of 4 and 3 is 12.

5 – 2

#4

18__ 5

8__

5 18__ 4 9

8__ Rename 5 as 4 + 1 = 4 + + .

–2 5

8__ –2 5

8__

______ ______

2 48__

Subtract the fractions and then the whole numbers.

18__ 1

8__ 4

4__ 1

8__

Write the answer in simplest form.

= 2 12__

5 – 2

#5

16__ 7

12__

7 212__ 6 14

12__

Rename 7 as 6 + 1 = 6 + + .

–3 712__ –3 7

12__

______ ______

3 712__ Subtract the fractions and then the

whole numbers.

212__ 2

12__ 12

12__ 2

12__

12 is a multiple of 6, so 12 is a common denominator.

7 – 3

#6

34__

5 4 44__ Write 5 as a mixed number with a

denominator of 4. Rename 5 as 4 + . –2 3

4__ –2 3

4__

______ ______

2

Subtract the fractions and then the whole numbers.

44__

14__

5 – 2

#7

SummaryIn your groups, fill in the blanks

If I go to subtract my fractions and there isn’t a large enough fraction to subtract from I must ____________one of my fractions. To do this I subtract 1 from my _____________ number. Next, I __________my numerator and denominator, this is my new ____________________. This whole process is called _______________________________.

Homework• Practice ARegrouping

Please show work on a SEPARATE SHEET OF

PAPER

As you are working, you can come up and get a cup of the witches’ brew