monday, october 31 st
DESCRIPTION
Monday, October 31 st. Warm Up. Find the sum Find the GCF of 32 and 60. Please get a new warm up and complete todays warm up Did you write down your homework?!?! . Corny Joke of the Day. What is a ghosts favorite fruit? Boo-berries . Schedule . - PowerPoint PPT PresentationTRANSCRIPT
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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
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Corny Joke of the Day
What is a ghosts favorite
fruit?
Boo-berries
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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
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Who did the problem correctly?
1 16 32 6
2312
133
1 16 32 6
1 16 32 6
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Weekly Review• Make sure you
show work on a separate sheet of paper
• Either categorize it (Monday-Thursday) or number it please!!!
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+ and – decimals & fractions
• 31.966•1 ¼ •304.66•1/3
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Prime Factorization
• 2•490•3x5•7 x 13
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Exponents
•625•3x4•1•1^6
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GCF/LCM
• 2•63•GCF: 5 LCM: 150•7
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Witches' Brew Answers
5 pts. each
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Todays MissionRegrouping
when subtracting
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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
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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?
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Regrouping
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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
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You Try! Rename each fraction
1.
2.
3.
4.
265
133
598115
you got this!
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Lace up your shoes and let’s get ready to
PRACTICE!!!!!!
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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
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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
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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
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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
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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
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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
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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
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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 _______________________________.
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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