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Inverse

Inverse. By Daniel Kurdo. 6+2=8 9+7=16 23+41=64 39+22=61. 8-2=6 16-7=9 64-41=23 61-22=39. Can you turn these addition number sentences into subtractions?. Can you make a different subtraction?. You can use this method to check your answers. 9+4=. 13.

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Inverse

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  1. Inverse By Daniel Kurdo

  2. 6+2=8 9+7=16 23+41=64 39+22=61 8-2=6 16-7=9 64-41=23 61-22=39 Can you turn these addition number sentences into subtractions? Can you make a different subtraction?

  3. You can use this method to check your answers. 9+4= 13 Check your answer by turning it into a subtraction: 13-4= 9 13-9= 4 or

  4. What would you do if a question had a missing number? +7=15

  5. Answer and method 8 +7=15 15-7= 8 It is an addition, so start at the end and turn it into a subtraction…

  6. Understand more 25 -9=16 16+9= 25 It is a subtraction, so start at the end and turn it into an addition…

  7. You have a try!!! /4=8 32 x8=32 4 42 /7=6 x6=42 7 77 /11=7 11 x7=77 /5=7 35 5 x7=35

  8. Extra help • Addition and subtraction are the inverse of each other. • Use this fact to help you check your answers when performing addition and subtraction calculations. • If the first number of a problem is missing, try using the inverse method.

  9. The end!!!!

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