GREEK ALPHABET
24 letters · names and where science uses them
IRREGULAR VERBS
the 100 you meet most: base · past · past participle — grouped by the four patterns, not shuffled alphabetically
LETTER TEAMS
40 letter combinations and the sounds they spell, in IPA, with one example word each
SIGHT WORDS
all 220 Dolch service words in five grade groups, Pre-K through third — with the top of the Fry frequency list up front
BENFORD’S LAW
the first digit of a number: why a one turns up more than six times as often as a nine, and in which sets that is true
THE BIRTHDAY PARADOX
how many people it takes for two of them to share a birthday — and the same count for codes and fingerprints
THE CLOCK FACE
two hands, twelve numbers — how to read the time
PASCAL’S TRIANGLE
the first thirteen rows, the sum of each row and the pattern of the odd numbers
REPEATING DECIMALS
which fractions stop, which run for ever, and how to know the length of the repeat without dividing
ROMAN NUMERALS
seven symbols · ones, tens, hundreds · years
MICROPHONE POSITIONS
where to place a mic around an acoustic guitar and how each spot sounds — after Shure’s guides
AUDIO CONNECTORS
analog, digital, and speaker wiring · pinouts and balanced signals