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How many tens and hundreds I am learning how many hundreds there are in numbers over 1000. $100 $1000 =

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Presentation on theme: "How many tens and hundreds I am learning how many hundreds there are in numbers over 1000. $100 $1000 ="— Presentation transcript:

1 How many tens and hundreds I am learning how many hundreds there are in numbers over $100 $1000 =

2 We know how many $100 notes there are in $1000. There’s ten. $100 $1000 We can use this to work out how many hundred dollar notes there are in $2000. $2000 is twice as big as $1000 so there must be twice as many $100 notes (twenty $100 notes). Let’s check. $100 $1000 $100 See the pattern? How many $100 notes must there be in $4000? $100 $1000 $100 $1000 $100 That’s right. There are forty $100 notes in $1000

3 A cricket club wants to buy some more bats. Each bat costs $100. They have $3542 to spend. How many bats can they buy? Step1: We need to find out how many hundred dollar notes there are in $3542. First lets put $3542 in houses. Ones Hundreds Tens Thousands Step 2: How many $100 notes are there in $3000?30 Step 3: How many $100 notes are there in the hundreds column? 5 Step 4: We don’t need to worry about the numbers in the ones and tens column because they are less than $100 Step 5: Add up how many hundred dollar notes you found = 35. This is how many bats they can buy.

4 A large business wants to buy some new desks. The desks cost $100. They have $6304. How many desks can they buy? Step1: How many hundreds are there in $6000? Step 2: How many $100 notes are there in the hundreds column? 60 Step 3: Do we need to worry about the numbers in the ones and tens column? 3 Step 4: Add up how many hundred dollar notes you found = 63 Try doing this example in your head. No, they are less than $100.

5 Now try these questions on your own. How many hundreds are there in the numbers below. Need some more practise? Try Pg47 of Teacher Tools Addition and Subtraction Book Numeracy resourcesNumeracy resources 1)8307 2)2496 3)5384 4)2175 5)7041 Click again when you have completed each question and the answer will be displayed = = = = = 21


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