Using model to add and subtract fractions

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What are fractions?
- What is a proper fraction?
- What is an improper fraction?
- What is a mixed number or mixed fraction?
- How to represent fractions on a number line?

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Write the addition or subtraction statement for the diagram. Write the answer in the lowest terms.
1. $Using models to add and subtract fractions$
2. $Using models to add fractions$
3. $Using models to subtract fractions$
4. $Using models to perform fraction additions$
Use a number line to calculate. Write the answer in lowest terms.
1. $\frac{5}{7}+\frac{1}{7}$
2. $\frac{2}{8}-\frac{1}{8}$
Each act in a play was $\frac{1}{2}$ hour long. There were 3 acts. How long was the play? Include a number line with your answer.
The diagram shows the layout of an aquatic centre. The pool took up $\frac{2}{8}$ of the aquatic centre and the stands took up $\frac{3}{8}$ of the aquatic centre. What is the difference between the amount of space taken up by the pool versus the stands?
$adding and subtracting fractions using model$