It's time for Valentine fun! Hearts galore on these worksheets for first grade. Students count by tens and ones using ten frames, circle groups of tens and add on the left overs, and put two-digit numbers in order from least to greatest.
UPDATED to include candy hearts sorting and graphing with some addition problems related to the graph. Options include using a separate sorting mat or sorting on the actual graph.
If you like this product, you might want to check out another Valentine's Day themed product here:
Valentine's Day--I have, Who Has... Math activity