April 26, 2014
with Ms. Mega
Integers NumberAdding and Subtracting
Compare and order integers.Place integers on a number line.Add and subtract whole number.
You have learnt:
5 – 6 persons each table
(+) positive numberand
(+) positive number
ADDITION OF
(+) positive numberand
(-) negative number
ADDITION OF
(-) negative numberand
(-) negative number
SUBTRACTION OF
(+) positive numberand
(-) negative number
SUBTRACTION OF
(-) negative numberand
(+) positive number
SUBTRACTION OF
Let’s try using number line
(-2) – (-3)
=
(7) – (-4) =
(1) + (-7)
=
(5) – (-5) =
(8) + (-3)
=
EXERCISE
1
11
-6
10
5