This resource contains 12 worksheets. Each sheet has 4 story problems in which students will solve for a missing addend or missing subtrahend.
Sums and differences are within 20.
There are 6 sheets for missing addend stories (24 stories) and 6 sheets for missing subtrahend stories (24 stories).
A space to draw a simple picture is provided as well as a box to write the math fact.
These worksheets could be used for modeling (project on an interactive white board), practice, evaluation or in a math center.
Other math resources you may want to check out are listed below.