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LO: To add/subtract any pair of two-digit numbers, including crossing 100. 28.06.05. What is 54 add 37?. What is the sum of 43 and 66?. What is 76 subtract 34?. What is the difference between 85 and 58?. How much more is 97 than 45?. What is the total of 67 and 82? etc.

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LO: To add/subtract any pair of two-digit numbers, including crossing 100.

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Lo to add subtract any pair of two digit numbers including crossing 100 l.jpg

LO: To add/subtract any pair of two-digit numbers,including crossing 100.

28.06.05


What is 54 add 37 l.jpg

What is 54 add 37?


What is the sum of 43 and 66 l.jpg

What is the sum of 43 and 66?


What is 76 subtract 34 l.jpg

What is 76 subtract34?


What is the difference between 85 and 58 l.jpg

What is the differencebetween 85 and 58?


How much more is 97 than 45 l.jpg

How much more is 97than 45?


What is the total of 67 and 82 etc l.jpg

What is the total of 67 and 82? etc.


Slide8 l.jpg

Q What pairs of numbers can you see with a total of 100?


Lo extend written methods to column addition of integers less than 10 000 l.jpg

LO: Extend written methodsto column addition ofintegers less than 10 000.

28.06.05


Slide10 l.jpg

I have £7587 in my savings account. I get five numbers in the National Lotto game and win£5675. How much money do I have now?

Q What calculation do we need to carry out in order to answer this question?


Slide11 l.jpg

I have £7587 in my savings account. I get five numbers in the National Lotto game and win£5675. How much money do I have now?

Q What will the answer be approximately? How can we work out the answer?


Slide12 l.jpg

I have £7587 in my savings account. I get five numbers in the National Lotto game and win £5675. How much money do I have now?


4764 3457 l.jpg

£4764 + £3457


4764 345714 l.jpg

Q How many thousands will there be?

£4764 + £3457


4764 345715 l.jpg

Q How many hundreds will there be?

£4764 + £3457


4764 345716 l.jpg

Q How many tens will there be?

£4764 + £3457


4764 345717 l.jpg

Q How many units will there be?

£4764 + £3457


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1234

1008

1982

5934

1673

5632

6207

3794

1208

6240

5046


What have we learned l.jpg

What have we learned?

Q. What has been done differently?


Task work through the following addition adding the least significant digit first l.jpg

Task: Work through the following addition, adding the least significant digit first.

£4764 + £3457


Slide21 l.jpg

Well Done!!

You can:

Use written column methods for the addition of two or more integers less than 10 000;

• Know that units should line up under units, and so on.


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