with regrouping woo hoo! first………let’s remember this from last year………
TRANSCRIPT
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with regrouping
Woo hoo!
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First………let’s remember this from last year………
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How to change a mixed number to an improper fraction
• Multiply the whole number times the denominator.
• Add your answer to the numerator.
• Put your new number over the denominator.
4 12x+=92
REMEMBER POPCORN.........
??
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Change this mixed number to an improper fraction
• Multiply the whole number times the denominator.
• Add your answer to the numerator.
• Put your new number over the denominator.
6 23x+=203
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Change this mixed number to an improper fraction
• Multiply the whole number times the denominator.
• Add your answer to the numerator.
• Put your new number over the denominator.
3 25x+=175
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Change this mixed number to an improper fraction
• Multiply the whole number times the denominator.
• Add your answer to the numerator.
• Put your new number over the denominator.
4 34x+=194
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Change this mixed number to an improper fraction
• Multiply the whole number times the denominator.
• Add your answer to the numerator.
• Put your new number over the denominator.
8 35x+=435
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Excellent!!!!
Let’s keep moving…….
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What if I’m supposed to What if I’m supposed to subtract a larger fraction from subtract a larger fraction from a smaller fraction?_________a smaller fraction?_______________________________________________________
7 18
3 38
-
61 9
8
68
3 = 3344
33
10
4-
4979
91
13 9
5 69
= 5 23
x
+
x
+
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Can you regroup with unlike denominators?
Watch this!Watch this!9
55-
223357
2121
2121
3
811 3535
2121
20202121
Sure, but first find the LCD and equivalent fractions.
x 7
x 7
x 3
x 3
1414
1515
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Let’s see that again!
Watch this!Watch this!
6
33-
225534
2
5
13132020
Remember, first find the LCD and equivalent fractions. 2020
2020
11 28282020x 4
x 5
x 5
88
1515
x 4
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How about these!
6
3 28-
9
5-
07
47
5
1 8 8
2 68
= 2 34
81 7
7
3 37
08
If you have a whole number, make a fraction make a fraction with 0 in the numerator and the same with 0 in the numerator and the same denominatordenominator the mixed number has.
Then regroup as we have before!
Remember to simplify if you need to.
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Now, you try!!!!Now, you try!!!!
7 14
3 38
-
61
10 8
78
3
10
4-
4679
91 30
18
5 1618
= 5 89
2 8
121814 18
=38
= =
=
= =
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Your turn!!!!
9
1 26-
15
6-
09
49
8
1 6 6
7 46
= 7 23
141 9
9
8 59
06
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**Assignment**WS C-48
Do your best!