Be sure to check out 'Counting Coins to 50 cents' worksheets. Identifying coins is a pre 1st grade concept and counting coins enters into the first and 2nd grades. Although, I must admit, it's much better to use real coins when teaching the addition of money but busy classrooms don't often have that luxury.

And, if you're wondering what young learners are supposed learn throughout the grades, check out the grade by grade goals.