Which do you use, mental math, paper and pencil, or a calculator to solve these 200 problems? Students use the displayed keys on the calculator card face to reach the target number at the top of the card, Using the quickest method to find the solution wins the game! A fast-paced, exciting game that builds and practices students" mental math, calculator, estimation, problem-solving and communication skills, , , increased work with all these skills is recommended by the NCTM Standards! Each deck contains 100 double-sided game cards plus an instruction booklet with game variations, Cards are 3-1/2 x 5 inches for ease of play, Grades 5-10, Whole numbers/decimals/integers, SKU: SKPBG009