This is a packet that includes reference guides on topics that are areas of difficulty such as everything you need to know about signs, the steps for simplifying any root, the steps for simplifying any exponent problem and more. You may purchase these in digital format or as sturdy laminated reference sheets on a ring, so they can be easily separated. They cover skills that are critical and/or used frequently throughout mathematics. It is divided into five main areas: fractions and decimals, step-by-step algorithms, rules of signed numbers, unit conversion with unit cancelling and unit ratio charts, and math facts.