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Practice >>
First Grade >>
Subtraction: Subtracting single digit numbers - from numbers up to 25- horizontal

Choose the correctly done subtraction.

21 – 9 = 15.

21 – 9 = 12.

21 – 9 = 13.

21 - 9 = 13

None of the the subtractions are correct.

21 - 9 = 15

21 - 9 = 12

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