Multi-Step Real-World Problems

Solve multi-step real-life and mathematical problems with rational numbers and assess reasonableness.

Rewriting Expressions to Reveal Meaning

Rewrite expressions in different forms to reveal useful information about a problem.

Solving Equations & Inequalities

Use variables to represent quantities and solve equations and inequalities from real situations.

Using Properties to Rewrite Expressions

Use properties of operations to add, subtract, factor, and expand linear expressions.

Multiplying & Dividing Rational Numbers

Multiply and divide positive and negative rational numbers and interpret quotients.

Rational Number Problem Solving

Solve real-world and mathematical problems involving all four operations with rational numbers.

Adding & Subtracting Rational Numbers

Add and subtract positive and negative rational numbers using models and properties.

Unit Rates Lab Score Submission

Recognizing Proportional Relationships

Decide whether two quantities change by the same multiplier.

Ratios, Fractions & Equivalent Ratios

Use multiplication and division to preserve the same comparison.

Unit Rates

Find how much for exactly one unit.

Proportional Relationships in Tables

Use rows and columns to find a constant multiplier.

Constant of Proportionality

Find and interpret the multiplier k.

Writing Equations: y = kx

Represent proportional relationships with algebra.

Graphing Proportional Relationships

See constant rates as straight lines through the origin.

Slope as a Unit Rate

Connect a graph’s steepness to its constant of proportionality.

Connecting Tables, Graphs & Equations

Recognize one proportional relationship in different forms.

Solving Missing Values in Proportions

Use equivalent ratios, unit rates, and equations strategically.

Percent as a Proportional Relationship

Connect fractions, decimals, and percentages to “per 100.”

Scale Drawings & Maps

Use proportional relationships to connect models and real objects.

Real-World Rates & Comparisons

Use unit rates to make fair decisions.

Proportional vs. Nonproportional

Identify starting values, changing rates, and misleading patterns.

Proportional Problem Solving

Select, solve, and explain proportional models in complex situations.

Traits and Heredity

How characteristics pass from parents to offspring—and why genes are only part of the story.

Genes and Alleles

How sections of DNA and their different versions contribute to inherited variation.

Dominant and Recessive Alleles

How allele interactions affect phenotype—and what “dominant” does not mean.

Genotype

Reading and interpreting an organism’s allele combination.

Phenotype

How genes, development, and environment contribute to observable characteristics.

Homozygous and Heterozygous Genotypes

Classifying allele pairs and connecting them to inheritance predictions.

Probability in Genetics

Predicting the chance of inheritance outcomes without treating chance as a guarantee.

Mendel’s Pea-Plant Experiments

How controlled crosses and careful counting revealed basic inheritance patterns.

Monohybrid Crosses

Using one gene at a time to predict possible offspring genotypes and phenotypes.

Dihybrid Crosses

Tracking two genes while checking whether independent assortment is a reasonable model.

Pedigrees

Using family diagrams to trace inheritance patterns while respecting uncertainty and privacy.

Genetic Variation and Mutations

How DNA differences arise and contribute to diversity, health, and evolution.

Incomplete Dominance and Codominance

Two inheritance patterns that go beyond a simple dominant–recessive model.

Sex-Linked Traits

How genes on sex chromosomes can create distinctive inheritance patterns.

Natural Selection and Evolution

How heritable variation and differential reproduction change populations over generations.