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Equivalent fractions 2
Equivalent fractions 2 256
Description
Exercise Name: Equivalent fractions 2
Math Missions: 4th grade (U.S.) Math Mission, Arithmetic essentials Math Mission, Pre-algebra Math Mission, Mathematics I Math Mission
Types of Problems: 1

The Equivalent fractions 2 exercise appears under the 4th grade (U.S.) Math Mission, Arithmetic essentials Math Mission, Pre-algebra Math Mission and Mathematics I Math Mission. This exercise works with proportions in the form of creating fractions that are equal.

Types of Problems

There is one type of problem in this exercise:

  1. Locate the missing number: This problem provides a proportion with two ratios or fractions that are equal, but one is missing a number. The user is asked to find the missing number to make the fractions equal and write it in the space provided.
    Ef2-1

    Locate the missing number

Strategies

Ana ability to work with fractions or knowledge of cross multiplication techniques would suffice to complete this exercise.

  1. The numbers are relative small, so there is not a need for a calculator to increase speed.
  2. Cross multiplication would be standard, however, there is a common number that can be used to multiply or divide both the numerator and denominator in these problems. Find the multiple, then use to find the other entry to increase speed.
  3. Research indicates no value exceed three digits, so the standard multiplication tables will be sufficient for this problem.

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