Rename an Eighth as a Decimal
A denominator built from factors two and five can be renamed as a power of ten.
About 20 minutes, plus any extended practice
Open lesson 1Rational Numbers as Fractions, Decimals, and Locations
Rational numbers can be represented as ratios of integers with nonzero denominator. Their decimal forms terminate or repeat, and negative quantities can be compared by their positions to the left of zero.
Before you begin
- Add fractions with common denominators; understand place value and negative number-line positions.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Turn a Repeating Digit into a Fraction
A repeating decimal can be converted using two equations whose repeating tails match.
About 20 minutes, plus any extended practice
Open lesson 2Combine Signed Fractional Amounts
Equivalent fractions put both quantities into the same-size parts.
About 20 minutes, plus any extended practice
Open lesson 3Order Negative Fractions
For equal positive numerators, a smaller positive denominator creates a larger positive value.
About 20 minutes, plus any extended practice
Open lesson 4Review and transfer
After the lessons, try 4 new review cases and a practical task. Each answer has an explanation and a link back to the related lesson.
Open the unit reviewGuest answers are temporary. Keep your own paper or document; this unit does not certify completion or record a school grade.
Topic references
- California CCSS mathematics topic reference: topic reference — Rational Numbers as Fractions, Decimals, and Locations
These references informed the topic selection. They do not certify complete standards alignment.