To ensure that kids have learnt addition and subtraction well, it is a good idea to give them some mixed problems for practice. This will give parents and teachers a fair idea of whether kids are able to identify the math problems as addition or subtraction problems and if they’re able to solve them correctly. ‘Add Some, Subtract Some’ is a printable addition and subtraction worksheet with challenging numerical as well as word problems. Sharpen kids’ math skills with this worksheet and watch their grades go up!