This document shows how to substitute positive and negative integers into formulas. It provides two examples, showing that g + o = 4 by substituting the values for g (-1) and o (6) from the provided number lines. It demonstrates how to perform calculations with positive and negative numbers according to their positions on the number line.

1. To substitute positive and
negative integers into formulae.
(Level 6)

2. a b c d e f g h i j k l m
-8
-7
-6
-5
n o
p
5
7
6
-4
-2
-1
q r s
t
u v w x y z
8
11
12
9
-3
10
0
13
1
2
14
g + o = -2 + 6 = 4
15
3
16
4
17

3. a b c d e f g h i j k l m
-8
-7
-6
-5
n o
p
5
7
6
-4
-2
-1
q r s
t
u v w x y z
8
11
12
9
-3
10
0
13
1
14
2
15
3
16
4
17