Math
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Subtract Multiples of 10: Set 10
Take away tens.
Write each difference.
60 − 60 =
70 − 60 =
50 − 30 =
30 − 10 =
20 − 20 =
90 − 20 =
50 − 20 =
50 − 50 =
Write the missing number.
40 − = 0
90 − = 70
50 − = 10
60 − = 30