Subtraction P2

Subtraction P2

By Benjamin Campbell

Todays Aims

​Focus 1 & Focus 2

1. Subtraction without Borrowing ── Learn subtraction of numbers with at most 3 digits (without borrowing), including subtraction of three numbers.

2. Subtraction with Borrowing ── Learn Subtraction of numbers with at most 3-digits (with borrowing once or twice), including subtraction of three numbers)

Some text here about the topic of discussion

Mental Subtraction

​Calculate without writing anything down

Fill in the Blanks

6 - 3 =

Fill in the Blanks

9 - 1 =

Fill in the Blanks

13 - 5 =

Fill in the Blanks

17 - 9 =

Subtraction with tens

Some text here about the topic of discussion

Fill in the Blanks

20 - 10 =

Fill in the Blanks

10 - 10 =

Fill in the Blanks

30 - 20 =

Fill in the Blanks

60 - 30 =

Poll

Should we

subtract the smaller number from the bigger number

OR

subtract the bigger number from the smaller number

• Subtract the smaller number from the bigger number

• Subtract the bigger number from the smaller number

Textbook 2C

Page​ 50 - 53

Making Sense of Maths

Subtraction of 3-digit numbers

Focus 2 - Subtraction with Borrowing​

Poll

Does the following subtraction need borrowing?

782 - 73

• Yes

• No

Poll

Does the following subtraction need borrowing?

254 – 91

• Yes

• No

Poll

Does the following subtraction need borrowing?

573 – 86

• Yes

• No

Poll

Does the following subtraction need borrowing?

608 – 104

• Yes

• No

Textbook 2C

Page​ 54 - 56