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How do I subtract 2 from 1?

How do I subtract 2 from 1?. Is this 2 – 1 or is this 1 – 2?. 1 – 2 = ?. You can’t do this! Or can you?. Reality Check!. Have you gone shopping? If you have, you already know how this works!. Here’s how: . You are in the store. You are really thirsty for a fruit drink.

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How do I subtract 2 from 1?

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  1. How do I subtract 2 from 1? Is this 2 – 1 or is this 1 – 2?

  2. 1 – 2 = ? • You can’t do this! • Or can you?

  3. Reality Check! • Have you gone shopping? • If you have, you already know how this works!

  4. Here’s how: • You are in the store. You are really thirsty for a fruit drink. • It costs two dollars. But you only have a dollar. • Your parent or your best friend is with you. • You walk out of the store after you purchased the drink. Taste’s Great! • What happened?

  5. Owing a dollar is -$1 So…, 1 – 2 is -1 So when you do a paid chore for $5, you only get $4 back! 1- 2 = -1; 5 -1 = 4

  6. How do I subtract -1 from 4? • Your dad said, “You did such a good job, I’ll let you take back the dollar you owed.” • So…, $4 - (-$1) equals $5.

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