| A | B |
|---|
| How to write +,-,X,/ Problems | Top to bottom |
| How to check subtraction | Add the bottom two rows |
| Where to start on +,-, or X | On the right |
| A square corner | Right angle |
| Angle less than 90 degrees | Acute angle |
| Angle larger than a square corner | Obtuse angle |
| Isosceles triangle | Only 2 equal sides on a 3 side polygon |
| Scalene triangle | No equal sides on a 3 sided polygon |
| Equilateral triangle | All sides equal on a 3 sided polygon |
| Has 4 right angles, 4 sides, all equal | Square |
| Has 4 right angles, 4 sides, but some sides might not be equal | Rectangle |
| 4 sided polygon | Quadrilateral |
| .3 | 3/10 |
| .03 | 3/100 |
| 7/100 | .07 |
| 7/10 | .7 |
| How to find change ($) | Subtract |
| Adding fractions with common denominators (bottom numbers are the same) | Top number is added, bottom stays the same |
| Subtracting fractions with common denominators (bottom numbers are the same) | Top number is subtracted, bottom stays the same |
| 5 Red, 2 Blue, Chance of drawing yellow | Impossible |
| 5 Red, 2 Blue, Chance of drawing blue | Unlikely |
| 5 Red, 2 Blue, Chance of drawing red | Probable (Likely) |
| Cup has 5 green balls. Chance of drawing green. | Certain. |
| 5 sided polygon | Pentagon (remember, my 5 fingers dropped a pen and now it is gone) |
| 6 sided polygon | Hexagon (remember, hexagon and six both have an X) |
| 8 sided polygon | Octagon (Remember: Octopus has 8 arms, Octomom has 8 children |
| 10 sided polygon | Decagon (like a decade is 10 years), or, All fingers on "dec" |
