Combined operations addition and subtraction
range 1-50
Addition
Subtraction
About this worksheet
Mixed addition and subtraction with numbers up to 50: bigger than the first facts, still small enough to work out in the head.
This is the range where children move from counting on fingers to using tens: 27 + 8 becomes 27 + 3 + 5. If a child still counts every problem by ones, go back to the page with numbers to 20 and practice making ten first.
Press "Generate new" for a fresh set, with an answer key. For 1st and 2nd grade.
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