Page 8 - Primary 3 Mathematics
P. 8
Activity 2: Work in groups.
Draw a straight line and number it as shown below.
1 2 3 4 5 6 7 8 9 10
The line drawn above is called number line.
Start at number four and count two steps to the right.
Where do you stop? At number 6.
4 +2 steps = 6
Start again at number seven. And count 4 steps to the
left. Where do you stop? At number 7-4 =3
Activity 2: Work in pairs.
Add these numbers using a number line.
a) 3 + 2 = 5
1 2 3 4 5 6 7 8
b) 4 +1=
1 2 3 4 5 6 7
c) 2 + 3 =
1 2 3 4 5 6 7 8
9
