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Relate division to multiplication word problems
Relate-division-to-multiplication-word-problems 256
Description
Exercise Name: Relate division to multiplication word problems
Math Missions: 3rd grade (U.S.) Math Mission
Types of Problems: 1

Relate division to multiplication word problems is an exercise under the 3rd grade (U.S.) Math Mission. This exercise connects the idea of division as an inverse operation to multiplication.

Types of Problems

There is one type of problem in this exercise:

  1. Select the equations that work: This problem provides a word problem and equations that may model the situation. In particular there are two possible multiplications statements, and separately two possible division statements. The student is asked to select the two statements that are correct models of the solution to the word problem.
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    Select the equations that work

Strategies

Experience with multiplication, division and translating word problems into mathematics are all that is needed for success on this problem.

  1. One of the top two equations will be selected, and separately one of the bottom two equations will be selected.
  2. The "answers" are integers at this time, so that can help to quickly determine the equations that should be selected.

Real-life Applications

  1. Choreographers need to be able to divide the piece they want to perform, into smaller pieces so that everyone will be able to do and give their best, whether they dance or choreograph an orchestra. In the end of the day they need to flow together in harmony and they will use division to accomplish that.
  2. Multiplication is needed and used by mechanics for repairing cars by multiplying when they overhaul the engine, measure the pistons or just to put in a new gearbox or engine.

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