by MathPickle | Sep 16, 2015 |
Desimal Deja-vu (MathPickle, 2013) Fractions and decimals are connected in magical ways. Here we convert from fractions to decimals and from decimals to fractions. This requires algebra. There’s a good case to be made that having fun is a key evolutionary...
by MathPickle | Sep 16, 2015 |
Egyptian Fractions (Graham, 1964) The first “greedy algorithm” introduced in this video is a good way to give your students practice finding common denominators, but be very careful which you choose. As the video shows, these can get nasty!!! If you are...
by MathPickle | Sep 16, 2015 |
Divisibility Tricks Divisibility tricks allow you to figure out if an integer is divisible by another integer. Again, this video is a lower priority than the engaging puzzle videos, but it should open up some interesting challenges. Games give you a chance to excel,...
by MathPickle | Sep 16, 2015 |
Dressed Up (Equivalent) Fractions (MathPickle, 2013) Equivalent fractions should be explored first using the engaging Fractured Fraction puzzle. Only later is this structural video an option. Engagement first, structure second. This video introduces a challenge: how...
by MathPickle | Sep 16, 2015 |
In fractured fractions, your students cover a pixelated image with rectangles. You must choose the rectangles carefully so that the fraction covered matches the given fractions. Here we have a yellow submarine with given fractions 1/2 and 1/3. Does this...
