Question

Using the number line, subtract : (a) 2 from –3 (b) –2 from –3.

Answer 1

1)

⬇⬇⬇⬇⬇
2-(-3)
2+3= 5
➡➡➡➡➡5
2)
⬇⬇⬇⬇⬇⬇
-2-(-3)
-2+3
=1
➡➡➡➡➡1

Answer 2

a) -3-2
=3+2
= -5 (symbol of the larger no.)
b) (-3)-(-2)
= -3+2
= 3-2
= -1 (symbol of larger no.)