Column Method for Subtraction. Steps to success 1.Put the largest number on top. 2.Place the digits in the correct column. 3.Show the subtraction and.

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Presentation transcript:

Column Method for Subtraction

Steps to success 1.Put the largest number on top. 2.Place the digits in the correct column. 3.Show the subtraction and equal sign. 4.Exchange and then subtract the top number from the bottom number in the units column. 5.Subtract the top number from the bottom number in the tens column. Exchange if you need to.

Solve = …. H T U H T U

Solve 65 – 29 = H T U Put the largest number on top. 2.Place the digits in the correct column. 3.Show the subtraction and equal sign. 4.Exchange and then subtract the top number from the bottom number in the units column. 5.Subtract the top number from the bottom number in the tens column. Exchange if you need to.

Solve 243 – 29 = …. H T U Put the largest number on top. 2.Place the digits in the correct column. 3.Show the subtraction and equal sign. 4.Exchange and then subtract the top number from the bottom number in the units column. 5.Subtract the top number from the bottom number in the tens column. Exchange if you need to. 6.Subtract the top number from the bottom number in the hundreds column.

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Plenary Apply column method for subtraction to this: 3752 – 631 = …. Th H T U 5435 – 2122 = ?1435 – 326 = ?