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Describe how to use a tens fact to find the difference for 15-8

Describe how to use a tens fact to find the difference for 15-8
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Describe how to use a tens fact to find the difference for 15-8

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User Everreadyeddy
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fiest do 15  with 5 is 20 so 8 - 5 = 3 so 20 and 3 is 23
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User DreamsOfHummus
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Because you need to subtract from 10, you need to do 10-8. Then you will add 5 since you took away 5 to subtract from 10.
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User Gambisk
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