Illuminations: Understanding Rational Numbers and Proportions
Illuminations (National Council of Teachers of Mathematics)

his lesson, students use real-world models to develop an understanding of fractions, decimals, unit rates, proportions, and problem solving.

GeoGebra: Decimal Representations of Rational Numbers IM 8.8.14
GeoGebra

“Decimal Representations of Rational Numbers” from IM Grade 8 by Open Up Resources and Illustrative Mathematics.

GeoGebra: Expressions with Rational Numbers IM 7.5.13
GeoGebra

“Expressions with Rational Numbers” from IM Grade 7 by Open Up Resources and Illustrative Mathematics.

GeoGebra: Solving Equations with Rational Numbers IM 7.5.15
GeoGebra

“Solving Equations with Rational Numbers” from IM Grade 7 by Open Up Resources and Illustrative Mathematics.

GeoGebra: Subtracting Rational Numbers IM 7.5.6
GeoGebra

“Subtracting Rational Numbers” from IM Grade 7 by Open Up Resources and Illustrative Mathematics.

GeoGebra: Multiplying Rational Numbers IM 7.5.9
GeoGebra

“Multiplying Rational Numbers” from IM Grade 7 by Open Up Resources and Illustrative Mathematics.

GeoGebra: Ordering Rational Numbers IM 6.7.4
GeoGebra

“Ordering Rational Numbers” from IM Grade 6 by Open Up Resources and Illustrative Mathematics.

GeoGebra: Solving Problems with Rational Numbers IM 7.5.14
GeoGebra

“Solving Problems with Rational Numbers” from IM Grade 7 by Open Up Resources and Illustrative Mathematics.

GeoGebra: Dividing Rational Numbers IM 7.5.11
GeoGebra

“Dividing Rational Numbers” from IM Grade 7 by Open Up Resources and Illustrative Mathematics.