KEYWORDS
by Maggie Davis
ADDITION
grown, combined, additional, total, more, plus, also, and, in all, altogether, how much in all, sum, increased together,
SUBTRACTION
cut, difference, gain, how many more, not go, left, since, minus, less, change, decrease, take away, less than, remaining, "er" words- longer, faster, shorter etc...
MULTIPLICATION
each, every, times, total (when groups are equal), by, per, product, multiplied, as much, twice
DIVISION
each and every in the question, divide, half, out of, cut, split, out of, quotient, ratio, equal parts,
ROUNDING
about, estimate, average