Name
Chapter 25, Lesson 1
Reteach
Date
Hands On: Positive and
Negative Numbers
CA Standard
NS 1.5
You will find opposite of a number and its absolute value.
Write the opposite and the absolute value of each integer.
3
2
+
-
2 units
3 units
-5 -4
-3 -2
-1
0
1
2
3
4
5
+
3 is 3 units from 0, so the absolute
value of +3 is 3. The opposite of +3 is -3.
-5 -4
-3 -2
-1
0
1
2
3
4
5
The opposite of -2 is +2. The absolute
value of -2 is 2.
Write the opposite of each number.
1.
+
2.
-
3.
-
4.
-
5.
-
6.
+
7.
-
8.
-
7
7
5
17
3
19
4
12
Write the absolute value for each number.
9.
+
10.
-
11.
-
12.
+
13.
-
14.
+
15.
-
16.
+
21
38
32
70
44
52
28
48
Writing Math Opposite numbers, like +7 and -7, have the same
absolute value. Explain why this is true.
Reteach
Use with text pages 542–543.
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