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Subtract Multiples of 10: Set 4
Take away tens.
Write each difference.
90 − 30 =
30 − 10 =
30 − 20 =
20 − 20 =
60 − 50 =
80 − 30 =
70 − 70 =
50 − 30 =
Write the missing number.
70 − = 0
90 − = 40
40 − = 0
60 − = 30