Reveal Math Units 2-4 Vocabulary

Front

algorithm

Back

a step-by-step method for computing (or calculating)

Front

front-end estimation

Back

an estimation method in which the front digits are added or subtracted

Front

multi-step strategies

Back

strategies used to solve multi-step problems

Front

partial sums

Back

Front

variable

Back

a letter or symbol used to represent an unknown quantity

Front

period

Back

the name given to each group of three digits on a place-value chart

Front

additive comparison

Back

comparing two quantities with addition to determine how much more or less one is than the other

Example:

12 is 4 more than 8.

Front

multiplicative comparison

Back

comparing two quantities using multiplication where one is a multiple of the other

Example:

20 is 2 times as much as 10.