Clue words for addition: |
altogether
total number
sum
in all
perimeter
combined
how many
spend/spent
joined
increase |
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Clue words for multiplication: |
twice
product
each - before question
area
times
per - before question
every - before question |
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Clue words for division: |
separate
half
equal number
divided something into groups
quotient
share something equally
per - in question
a piece - in question
"Each" means divide only if you are never going to have more than the stated number.
For example: Doug had 12 goldfish. He placed an equal number of fish in each of his 4 bowls. How many fish are in each bowl?
(You are never going to have more than 12 fish or more than 4 bowls - so you divide: 12/4 = 3 fish in each bowl.) |
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Clue words for subtraction: |
left
difference
remained
how much more
how many more...than
how much change
less
change
"er" words
decrease |
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Rounding: |
about
estimate
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