Unpacked Content
Knowledge
Students know:
- How to use fraction strips as a model to connect to finding fractional parts on a number line.
- Fractions are numbers that can be represented on a number line.
- Fractions can be placed on the number line by marking off equal parts between two whole numbers.
- Fractions equal to 1 have the same numerator and same denominator.
- Fractions greater than 1 have a numerator that will be greater than the denominator.
Skills
Students are able to:
- Represent fractions on a number line.
- Locate fractions on a number line.
- Use a number line and partition an interval from 0 to 1 into equal parts as specified by the denominator of a fraction.
- Represent a non unit fraction on a number line by marking off unit fraction lengths as specified by the numerator from zero.
- Extend the number line to include fractions greater than one as a continuation of counting unit fractions.
Understanding
Students understand that:
- A number line is a length model.
- Fractions are numbers that represent a quantity less than, equal to, or greater than 1 and can be placed on a number line.
- A number line can be partitioned to represent equal parts of a whole.
Vocabulary
- Fraction
- Number line
- Number line diagram
- Unit fraction
- Interval
- Partition
- Point
- Denominator
- Numerator
