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Transcript
5 Minute Check
Complete in your notebook.
1
3
1. 8
4
x
2.
3
7
3.
5
9
x
2
5
x
2
3
4. The bleachers at a football game is 7/8 full, and half the
fans are rooting for the home team. What fraction of the
bleacher is rooting for the home team?
5 Minute Check
Complete in your notebook.
1
3
1. 8
4
x
5 Minute Check
Complete in your notebook.
1
3
1. 8
4
x
1
8
x
3
4
=
3
32
5 Minute Check
Complete in your notebook.
3
2
2. 7
5
x
5 Minute Check
Complete in your notebook.
3
2
2. 7
5
x
3
7
2
5
x =
6
35
5 Minute Check
Complete in your notebook.
5
2
3. 9
3
x
5 Minute Check
Complete in your notebook.
5
2
3. 9
3
x
5
9
2
3
x =
10
27
5 Minute Check
Complete in your notebook.
4. The bleachers at a football game is 7/8 full, and half the
fans are rooting for the home team. What fraction of the
bleacher is rooting for the home team?
5 Minute Check
Complete in your notebook.
4. The bleachers at a football game is 7/8 full, and half the
fans are rooting for the home team. What fraction of the
bleacher is rooting for the home team?
7
8
1
2
x =
7
16
Flashcards
Thursday, Oct 24
Lesson 4.4
Multiply Mixed Numbers
Multiply Mixed Numbers
Objective: To understand how to multiply
mixed numbers.
Multiply Mixed Numbers
At the end of this lesson you should be able
to answer the following question.
How do you multiply mixed numbers?
Multiply Mixed Numbers
To multiply fractions, multiply the numerators
and multiply the denominators, then simplify if
needed.
Example x
=
3
2
6
4
5
20
x
=
x
=
=
3
10
Multiply Mixed Numbers
To multiply a mixed number, convert the mixed
number to an improper fraction then multiply
as fractions.
Multiply Mixed Numbers
Convert to an improper fraction.
3
5
3 =
x
15
Multiply Mixed Numbers
Convert to an improper fraction.
+ 3
5
3 =
15+3
Multiply Mixed Numbers
Convert to an improper fraction.
3
5
3 =
15+3
5
=
Multiply Mixed Numbers
Convert to an improper fraction.
3
5
3 =
15+3
5
=
18
5
Multiply Mixed Numbers
To convert a mixed number to an improper
fraction.
Denominator times the whole number plus the
numerator over the denominator
Multiply Mixed Numbers
Convert to an improper fraction.
2
7
7 =
Multiply Mixed Numbers
Convert to an improper fraction.
2
7
7 =
49+2
7
=
51
7
Multiply Mixed Numbers
Convert to an improper fraction.
3
5
12 =
Multiply Mixed Numbers
Convert to an improper fraction.
3
5
12 =
60+3
5
=
63
5
Multiply.
1
3
Multiply Mixed Numbers
3
4
x1 =
Multiply.
Multiply Mixed Numbers
1
3
3
4
x1 =
1
3
7
4
x =
Multiply.
Multiply Mixed Numbers
1
3
3
4
x1 =
1
3
7
4
x =
7
12
Multiply.
1
3
Multiply Mixed Numbers
1
2
x 5 =
Do this on your own.
Multiply.
1
3
1
3
Multiply Mixed Numbers
1
2
x 5 =
11
2
x =
11
6
5
6
=1
Multiply.
7
8
Multiply Mixed Numbers
1
3
1 x3 =
Do this on your own.
Multiply.
Multiply Mixed Numbers
7
8
1
3
1 x3 =
15
8
or
x
10
3
=
150
24
6
24
=6 = 6
1
4
Multiply.
Multiply Mixed Numbers
7
8
1
3
1 x3 =
15
8
x
10
3
=
3 x 5 x5 x2
3x2x2x2
25
4
1
4
= =6
Multiply.
3
4
Multiply Mixed Numbers
4
5
1 x2 =
Do this on your own.
Multiply.
Multiply Mixed Numbers
3
4
4
5
1 x2 =
7
4
or
x
14
5
=
98
20
18
20
=4 = 4
9
10
Multiply.
Multiply Mixed Numbers
3
4
4
5
1 x2 =
7
4
x
14
5
=
7x2x7
2x2x5
49
10
= =4
9
10
Multiply.
2
3
Multiply Mixed Numbers
4
7
1 x2 =
Do this on your own.
Multiply.
Multiply Mixed Numbers
2
3
4
7
1 x2 =
5
3
or
x
18
7
=
90
21
6
21
=4 = 4
2
7
Multiply.
Multiply Mixed Numbers
2
3
4
7
1 x2 =
5
3
x
18
7
=
5x2x3x3
3x7
30
7
2
7
= =4
Multiply Mixed Numbers
The Hoover Dam holds 4 ½ million cubic
yards of concrete. The Grand Coulee Dam
contains 2 2/3 times as much concrete.
How much concrete does it contain?
Do this on your own.
Multiply Mixed Numbers
The Hoover Dam holds 4 ½ million cubic yards of
concrete. The Grand Coulee Dam contains 2
2/3 times as much concrete. How much concrete
does it contain?
1
2
2
3
4 x2 =
9
8
72
2
3
6
The Grand Coulee Dam has 12 million cubic
yards of concrete.
x = = 12
Multiply Mixed Numbers
Mr. Wilkins is laying bricks to make a
rectangular patio. The area he is covering is
15 ½ by 9 ¾ feet. What is the area of the
patio?
Do this on your own.
Multiply Mixed Numbers
Mr. Wilkins is laying bricks to make a
rectangular patio. The area he is covering is
15 ½ by 9 ¾ feet. What is the area of the
patio?
1
3
2
4
15 x 9 =
31
2
x
39
4
=
1209
8
1
8 ft²
= 151
Multiply Mixed Numbers
Mr. Conrad’s pecan pie recipe calls for 1 ¾
cups of pecans. He plans to make 8 pies for
a family reunion. How many cups of pecans
does he need?
Multiply Mixed Numbers
Mr. Conrad’s pecan pie recipe calls for 1 ¾
cups of pecans. He plans to make 8 pies for
a family reunion. How many cups of pecans
does he need?
3
4
1 x8=
7
4
8
1
x =
56
4
= 14
Multiply Mixed Numbers
How do you multiply mixed numbers?
Multiply Mixed Numbers
Agenda Notes
Homework –
Homework Practice 4-4
Show all Work
Due Friday, Oct 25
Mid Chapter 4 Quiz –Monday, Oct 28