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LO: To add/subtract any pair of two-digit numbers,
including crossing 100.
28.06.05
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What is 54 add 37?
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What is the sum of 43 and 66?
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What is 76 subtract34?
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What is the difference
between 85 and 58?
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How much more is 97than 45?
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What is the total of 67 and 82? etc.
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Q What pairs of numbers can you see with a total of 100?
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LO: Extend written methodsto column addition of
integers less than 10 000.
28.06.05
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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?
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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?
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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?
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£4764 + £3457
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£4764 + £3457 Q How many thousands will there be?
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£4764 + £3457 Q How many hundreds will there be?
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£4764 + £3457 Q How many tens will there be?
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£4764 + £3457 Q How many units will there be?
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1234
59341673
5632
1208
3794
50466240
1982
6207
1008
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What have we learned?
Q. What has been done differently?
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Task: Work through the following addition, adding the
least significant digit first.
£4764 + £3457
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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.