Create a series of equations to produce each number from 0 to 20, using just '4 Fours' in each equation, along with basic math symbols. Don't forget the standard order of operations, as you'll need to ...
When teaching basic math operations, the same logic applies. Consider how many misconceptions can arise if symbols are introduced too early: The expression “5 – 1” easily can be mistaken for a date, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback