7th grade · Expressions & Equations
Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. *For example, a + 0.05a = 1.05a means that "increase by 5%" is the same as "multiply by 1.05."*
4 interactive, auto-graded activities for 7th grade students practising 7.EE.A.2. Mini Labs put the standard to work in a real scenario; Skill Practice builds fluency on the standard alone. Every one is randomized per student, so each learner gets their own numbers.
Students compare three streaming services by writing and evaluating algebraic expressions that model total subscription costs over time. They determine which plan is most cost-effective and justify their choice using math.
In this skill-building worksheet, students practice writing algebraic expressions from real-world scenarios using variables. They also analyze graphs to interpret the relationships and understand how cost or quantity changes.
In this real-world math challenge, students use percent skills to shop smart at a tech store. They apply discounts, markups, and sales tax to build a tech bundle within a $150 budget, developing proportional reasoning and financial literacy.
Students compare three different phone plans by writing algebraic expressions to model their monthly cost. They evaluate these expressions for different data usage amounts and determine at what point one plan becomes more economical than the others.
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