Do Now 2/10/11 Take out HW from last night. Take out HW from last night. Punchline worksheets #57 &...
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Transcript of Do Now 2/10/11 Take out HW from last night. Take out HW from last night. Punchline worksheets #57 &...
Do Now 2/10/11Do Now 2/10/11 Take out HW from last night.Take out HW from last night.
Punchline worksheets #57 & #58Punchline worksheets #57 & #58
Copy HW in your planner.Copy HW in your planner. Text page 185, #12-28 evens; #42-46 evensText page 185, #12-28 evens; #42-46 evens
In your notebook, In your notebook, comparecompare and and contrastcontrast the the figures below. figures below. (How are they the same? How are they different?)(How are they the same? How are they different?)
HomeworkHomework
““Why Aren’t Dragons Hungry on Weekends?”Why Aren’t Dragons Hungry on Weekends?”
THEY FEAST ON WEAK KNIGHTSTHEY FEAST ON WEAK KNIGHTS
““Why Did the Candle Fall in Love?”Why Did the Candle Fall in Love?”
HE MET THE PERFECT MATCHHE MET THE PERFECT MATCH
What Do You See?What Do You See?
10
215
3
30
6
50
10
5
1
20
4
Section 4.3 “EQUIVALENT FRACTIONS”Section 4.3 “EQUIVALENT FRACTIONS”
ObjectiveObjective
SWBAT write fractions in simplest form SWBAT write fractions in simplest form and write equivalent fractions.and write equivalent fractions.
EQUIVALENT FRACTIONS-EQUIVALENT FRACTIONS-multiplyingmultiplying or or dividingdividing the numerator the numerator and denominator of a fraction by the and denominator of a fraction by the SAME nonzero numberSAME nonzero number
4
1
2
2xx
xx 8
2== 4
1
3
3xx
xx 12
3== 4
1
5
5xx
xx 20
5==
16
4
5
5÷÷
÷÷80
20== 40
10
2
2÷÷
÷÷80
20==
Write 2 fractions that are equivalent to the Write 2 fractions that are equivalent to the given fraction.given fraction.
27
3
21
18
8
5
9
1270
30
54
6
63
54
42
36
7
6
16
10
24
15
40
25
10
2
5
1
The first of these fractions 1/5 is in The first of these fractions 1/5 is in SIMPLEST FORM because the numerator SIMPLEST FORM because the numerator and denominator have no common factors.and denominator have no common factors.
15
3
52
2
5
1
53
3
5
1
To SIMPLIFY fractions divide the numerator and denominator by common factors.
Simplifying Fractions Simplifying Fractions
18
12
332
322
== 3
2
When simplifying fractions, look for common When simplifying fractions, look for common factors in the numerator and denominator. Then factors in the numerator and denominator. Then divide by crossing them out. divide by crossing them out.
==
63
28
733
722
== 9
4==
Simplify the Following Fractions Simplify the Following Fractions
80
48
52222
32222
=5
3=
32
28
22222
722
=8
7=
Which Three Fractions Are Which Three Fractions Are Equivalent???Equivalent???
27
24,
42
36,9
8,
81
72
9
8
3333
33222
81
72
9
8
33
222
9
8
7
6
732
3322
42
36
9
8
333
3222
27
24
Which Three Fractions Are Which Three Fractions Are Equivalent???Equivalent???
3
2
532
522
30
20
5
3
55
53
25
15
5
3
555
553
125
75
5
3
552
532
50
30
50
30,
125
75,
25
15,
30
20