Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
The Math Dude’s 5 Tips to Mastering Mental Math
It's true-you CAN do simple everyday math in your head, without a calculator! Improve your mental math skills in one week with just ten minutes of practice a day. Join The Math Dude, Jason Marshall, as he leads you through the tricky journey of mastering addition, subtraction, multiplication, division, AND percentages in your head. Whether you're calculating the tip on a $76.85 meal or you're frantically doing mental math in a business meeting-Math Dude has got you covered.