I created these 13 sets of Math Task Cards to help my 2nd grade students (at all levels of mathematical ability) work towards the Grade 2 Common Core Standard 2.OA.2: Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.
These task cards will allow you to easily differentiate for your students! Intentionally target mathematical skills including composing and decomposing numbers, subitizing, and mental math flexibil