AWESOME! 50 pages of math activities for use with Kindergarten Numbers & Operations in Base Ten Common Core Standards. It includes:• 23 pages for COMPOSING Numbers 11-19 using Ten Frames, number bonds, objects, pictures, linker cubes, number cubes and rekenreks.•27 pages for DECOMPOSING Numbers 11-19 using Ten Frames, number bonds, objects, pictures, linker cubes, number cubes and rekenreks.•Some pages also include fluency practice on addition/subtraction math facts to 5. (CCSS.MATH.CONTENT.