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Subtraction Across Zeroes By Jamie Unverzagt 403 - 25 200 - 99 39191310

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Hundreds Tens Ones 102 - 38 Let’s model 102 minus 38. Begin by showing 102.

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Hundreds Tens Ones 102 - 38 If you have 2 ones, can you take away 8 ones?

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Hundreds Tens Ones 102 - 38 How can you get more ones? There are no tens to trade!

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Hundreds Tens Ones 102 - 38 How many tens are in a hundred?

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Hundreds Tens Ones 102 - 38 1 Hundred is the same as 10 tens! Good thinking!

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Hundreds Tens Ones 102 - 38 Now can you get more ones?

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Hundreds Tens Ones 102 - 38 How many tens and ones now? 912

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Hundreds Tens Ones 102 - 38 What’s the next step? 912 4 How many ones are left?

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Hundreds Tens Ones 102 - 38 What’s the next step? 912 4 How many tens are left? 6

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Hundreds Tens Ones 203 - 57 Let’s model 203 minus 57. Begin by showing 203.

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Hundreds Tens Ones 203 - 57 If you have 3 ones, can you take 7 ones away?

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Hundreds Tens Ones 203 - 57 If 10 tens are in one hundred, how many tens are in two hundreds? 10 tens + 10 tens = 20 tens

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Hundreds Tens Ones 203 - 57 Can you trade one of the 20 tens for ones? How many tens are left? 20 tens- 1 ten = 19 tens

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Hundreds Tens Ones 203 - 57 That’s 19 tens left 19 tens 19 which is the same as 1 hundred and 9 tens.

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Hundreds Tens Ones 203 - 57 How many ones do you have now? 1913

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Hundreds Tens Ones 203 - 57 What is 13 ones minus 7 ones? 1913 6

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Hundreds Tens Ones 203 - 57 Finish subtracting. 1913 641 You’ve Got It!

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Subtract Across Zeroes 400 - 9 39 10 193

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Subtract Across Zeroes 502 - 14 4912 884

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Subtract Across Zeroes 608 - 234 5 473 10 Slow Down! Don’t regroup if you don’t have to!

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Subtract Across Zeroes 702 - 213 6912 984

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