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How Do You Determine Which Operations to Use in a Word Problem?

How do you determine which operation to use in a word problem?

Summary

  1. These are some phrases you might see in word problems that tell you which operation to use!
  2. In addition, we could be adding the same or different numbers together
  3. Remember, multiplication is the same as repeated addition
  4. So when we're adding the same thing over and over again, we can use multiplication

Notes

    1. Looking at the problem, we have two amounts that we know and one that we're being asked to find
    2. The phrase 'the same number' is a clue to figure out what operation to use
    3. We use division so that each of the girls gets 'the same number' of doll accessories
    4. '÷' is the symbol for division, but you may also see division written as a fraction or with a '/'
    1. 'Total' is a key word that lets us know which operation to use
    1. 'Total' is a key word that lets us know which operation to use
    2. We can see we're being asked to find the 'total' of three different numbers
    3. Since we're finding the total of different numbers, we need to use ADDITION
    4. We can write our addition problem either horizontally (all in a row) or vertically (stacked on top of each other)