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Place Value – Objectives
Know what each digit represents in numbers up to 100,000. Use place value to add and subtract. You will need: an IWB calculator, e.g. the one at and mini whiteboards. © Hamilton Trust Keeping Up Term Week 6 Day 2
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Place Value – Direct Teaching
Remember the value of each digit using a Place Value chart… 25837 ones tens hundreds thousands ten thousands © Hamilton Trust Keeping Up Term Week 6 Day 2
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Place Value – Direct Teaching
Or… a Place Value grid What is the value of the 2? 25837 10000s 1000s 100s 10s 1s 2 5 8 3 7 Move the pointing hand to discuss the value of different digits. © Hamilton Trust Keeping Up Term Week 6 Day 2
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Place Value – Direct Teaching
What number must be subtracted to ‘zap’ the 5 (turn it into a zero)? Enter the number 25,837 into an IWB calculator [click on the hyperlinked image, or go to e.g. Use the calculator to subtract numbers they suggest, drawing out that 5000 must be subtracted as the digit 5 represents 5000. © Hamilton Trust Keeping Up Term Week 6 Day 2
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Place Value – Student Activity
Show me… What number must be subtracted to ‘zap’ the 5s? 48, , ,350 45, , ,635 Ask students to discuss in pairs, then write on their own whiteboards. © Hamilton Trust Keeping Up Term Week 6 Day 2
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Place Value – Direct Teaching
What number must be added to make all the digits a 5 ? Click on the hyperlinked image, or go to e.g. Use the calculator to add numbers they suggest, drawing out that 200 must be added as the digit 3 represents 300. © Hamilton Trust Keeping Up Term Week 6 Day 2
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Place Value – Student Activity
Show me… What number must be added to make 55,555? 43, , ,455 Students use mini whiteboards to show you their answers. © Hamilton Trust Keeping Up Term Week 6 Day 2
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Place Value – Individual Practice
Add to make 77,777 the 3s 43,609 13,037 32,353 73,747 17,075 34,621 The calculations involve changing more digits the further down each set you go. © Hamilton Trust Keeping Up Term Week 6 Day 2
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