Page 44 - Maths Skill - 3

Subtraction
4 4 Subtraction

Learning Outcomes

� Subtraction � Checking subtraction Using Addition
� Subtraction of 3-digit Numbers � Addition and Subtraction Together
� Subtraction of 4-digit Numbers � Estimating the Difference
� Properties of subtraction

Boot-Up

The Penguin and her Cooly friends were sliding in Polar region. They were sliding together

joyfully. There were 147 baby penguins, but 36 of them tired soon and stop sliding.
Then, how many baby penguins will be sliding down?

Number of baby penguins = 147
Baby penguins stop sliding = 36

Baby penguins sliding down = 147 – 36 = _____ .

H T O

1 4 7 Minuend
– 3 6 Subtrahend

Difference

“Subtraction means taking away when we
subtract a smaller number from bigger number,
the answer we get, is called the difference”.

Subtract and colour the following boxes using
the given colour code.

8 8 6 8 Answer Colour
– 6 6 – 3 1 16 yellow
22 pink
9 9 5 4 37 orange
– 4 5 – 3 8 54 green