1) Altogether a) addition b) subtraction 2) Decrease a) addition b) subtraction 3) Fewer a) addition b) subtraction 4) Combined a) subtraction b) addition 5) How many more  a) addition b) subtraction 6) Left a) addition b) subtraction 7) Both a) subtraction b) addition 8) Join a) addition b) subtraction 9) Difference a) addition b) subtraction 10) Increase a) addition b) subtraction 11) In all a) subtraction b) addition 12) Less a) addition b) subtraction 13) Take away a) addition b) subtraction 14) Sum a) addition b) subtraction 15) Total a) subtraction b) addition

Word Problem Key Words-Add/Subtract

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