<meta http-equiv="refresh" content="1; url=/nojavascript/"> Rational Numbers in Applications | CK-12 Foundation

# Rational Numbers in Applications

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Rational Numbers in Applications

Solve real-world problems involving the addition and subtraction of fractions and evaluate change.

1
• PLIX

## Batch of Brownies as Rational Numbers; Rational Numbers in Applications

Mom just made a batch of brownies. The kids are supposed to let them cool, but they know if they don't act fast, there will be none left. Move the brownies to model the kids' actions and determine how many brownies they each end up with.

1. Elsie makes the first move by taking 12 of the brownies

2. Julian notices and takes

0
• Video

## Solving Real-World Problems with Addition and Subtraction: A Sample Application

This video demonstrates a sample use of solving real-world problems with addition and subtraction.

0
• Video

## Solving Real-World Problems Using Addition and Subtraction: An Explanation of the Concept

This video provides an explanation of the concept of solving real-world problems with addition and subtraction.

0
• Practice

## Rational Numbers in Applications Practice

Practice Rational Numbers in Applications questions

2