This interesting visual resource includes fun and engaging robot worksheets to practice mental math strategies and promote basic math facts fluency. Color by number, with visual cues/ instructions variations, so you can revise "like this" and then "like that"! Mastering their doubles facts will be a great mental math tool for strategies that follow (doubles plus one, doubles minus one, near doubles facts) and increase students' confidence and performance. It is vital to build a strong foundati