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ODS2 What is Subtraction?

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  • What is subtraction? Subtraction is taking things away from other things.
  • How do we usually write subtraction problems with single-digit numbers? We write them in a row.
  • What symbol do all subtraction problems have? All subtraction problems have a minus sign.
  • How do we usually write subtraction problems with double-digit numbers? We write them in a column.
  • How much do you subtract when you count backward by tens? I subtract 10 each time.
  • What does the minus sign tell us to do? It tells us to subtract.
  • If Alma bought five cookies and her friends ate 3, how many cookies were left? Two cookies were left.
  • How do you count backward by fives? I subtract 5 each time.
  • How do we count backward? We subtract one each time.
  • Can you count backward from 50 to 1? Yes, I can.
  • If Alma bought five cookies and her friends ate 3, how many cookies were left? Two cookies were left.
  • How much do you subtract when you count backward by tens? I subtract 10 each time.
  • How do you count backward by fives? I subtract 5 each time.
  • What symbol do all subtraction problems have? All subtraction problems have a minus sign.
  • What does the minus sign tell us to do? It tells us to subtract.
  • What is subtraction? Subtraction is taking things away from other things.
  • Can you count backward from 50 to 1? Yes, I can.
  • How do we count backward? We subtract one each time.
  • What happens when we subtract things? We take them away and see how many are left.
  • How do we usually write subtraction problems with single-digit numbers? We write them in a row.
  • What do we do when we add things? We join them together.
  • What happens when we subtract things? We take them away and see how many are left.
  • How do we usually write subtraction problems with double-digit numbers? We write them in a column.
  • What do we do when we add things? We join them together.
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