Lesson 6-3 Pages 248-251
Adding and Subtracting Mixed
NumbersLesson Check 6-2
What you will learn!
How to add and subtract mixed numbers.
What you really need to know!To add or subtract mixed numbers:
1. Add or subtract the fractions.
2. Add or subtract the whole numbers.
3. Simplify if necessary.
Example 1:
12
8
12
13
12
714
17
12
714
12
13
3
217
Example 2:
10
79 5
34
10
79
10
79
5
34
10
64
10
15
Example 3:
A quiche recipe calls for 2 3/4 cups of grated cheese. A recipe for quesadillas requires 1 1/3 cups of grated cheese. What is the total amount of grated cheese needed for both recipes?
4
32
3
11
12
92
12
41
12
133
12
113
12
14
Example 4:
5
18
5
33
5
117
5
67
5
33
5
34
Example 5:
9
511
3
28
9
5110
9
1410
9
511
9
68
9
68
9
82
Page 250
Guided Practice
#’s 4-14
Pages 248-249 with someone at home and study
examples!
Read:
Homework: Page 250-251
#’s 16-42 even
#’s 44-58
Lesson Check 6-3
Page
577
Lesson 6-3
Lesson Check 6-3
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