Free math workbooks and answer keys for Pre-K to Middle School. Build problem-solving, logical thinking, and math confidence with Think Academy.
Grade 7–8 focus: solving and graphing compound inequalities. Avoid mistakes like forgetting negative rules, mixing up “and/or,” and number line errors.
Grade 7–8 focus: understanding functions with tables, graphs, and mappings. Avoid mistakes like mixing up domain and range, misreading graphs, or confusing the one input–one output rule.
Grade 7–8 focus: identifying linear vs. nonlinear functions. Avoid mistakes like mixing up straight vs. curved graphs, missing constant rate of change, or forgetting multiple representations.
Grade 7–8 focus: solving one-variable linear inequalities. Avoid common mistakes like forgetting to flip the sign or mixing up inequality directions.
Grade 5–6 math focus: graphing one-variable linear inequalities. Fix common errors—open vs. closed circles and shading direction—step by step.
Grade 7–8 math: solve equations with variables on both sides. Avoid common errors like moving terms incorrectly and sign mistakes with step-by-step clarity.
Learn how Grade 7–8 students solve equations with parentheses. Avoid common mistakes—like terms, distributive property, and sign errors—with step-by-step help.
Step-by-step guide to solving one-step linear equations for Grade 5–6. Clear tips on inverse operations and keeping both sides balanced.
Grade 5–6 properties of equality: associative, commutative, distributive laws with tips to avoid mixing rules, distributive errors, and overgeneralizing.