This is a Bundle of 6 sets of my UNIQUE and ENGAGING Knock Out Math Task Cards. These task cards really make your students think! In each set, students analyze numbers to determine which number doesn't belong in completing the particular mathematical task. This critical-thinking activity promotes number sense, deductive reasoning, fluency with numbers, and more.Each set includes 2 levels of difficulty, with 24 total cards in each set (12 per level). These 6 key 1st-grade math concepts are cov