A selection of colorfully illustrated CC math, numbers and counting activities, with answer keys where necessary.
Maths Square Puzzles
Simple addition and subtraction
Write the Numbers
Count the objects
Some activities will be appropriate for pre-K learners, while some may seem a little more challenging, and can be adapted for a Gr2 learner.
These worksheets were based on research and my own experience with my son when he started out in Grade 1.