Arithmetic Grade Two

Lesson Fifty-six: Missing Number Subtraction

You can add to check your answer to a subtraction problem:
50 minus something equals 28 and 28 plus something equals 50.
HIGHLIGHT BETWEEN PARENTHESES TO SEE ANSWER:
(22)
63 minus something equals 52 and 52 plus something equals 63.
HIGHLIGHT BETWEEN PARENTHESES TO SEE ANSWER:
(11)

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