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SAT/Sphere
The all-in-one SAT prep platform for everyone!
© 2025 SAT/Sphere. All rights reserved.
SAT/Sphere
The all-in-one SAT prep platform for everyone!
© 2025 SAT/Sphere. All rights reserved.
Master ratios and proportions in this lesson built for Digital SAT success. Engage with interactive examples and targeted practice exercises designed to deepen your understanding and boost your score.
Master the SAT with our targeted lesson on Ratios and Proportions, part of SAT Sphere’s Digital SAT curriculum. This lesson delivers in-depth concept explanations, problem-solving techniques, and SAT-style practice questions to help you improve your SAT performance. Ideal for both SAT Math and Reading & Writing, each lesson helps you build confidence for test day.
This SAT Sphere lesson focuses on essential SAT test topics in the Ratios and Proportions section. You'll build a strong understanding of core concepts, learn time-saving test-taking strategies, and apply your knowledge to realistic Digital SAT practice questions.
01
Introduction to Ratios and Proportions
Frames why comparing quantities matters on the Digital SAT and reminds students to recall prior skills: fraction notation, simplifying with the GCD, and solving one-variable linear equations and inequalities.
02
Defining Ratios: Part-to-Part, Part-to-Whole, and Rates
Introduces the three ratio types and builds on students’ earlier work with fractions and numeric comparisons.
03
Equivalent and Simplified Ratios
Shows how to generate and reduce ratios using the GCD, refreshing the fraction-simplification strategy learned in Fundamentals slides on arithmetic with fractions.
04
Unit Rates and Scale Factors
Extends the idea of ratios to ‘per-one’ comparisons (mph, $ per item) and links to prior lessons on unit conversion and rates.
05
Translating Word Problems into Ratios
Teaches a step-by-step method for identifying quantities and forming ratio statements, building on previous lessons about converting verbal descriptions into algebraic expressions.
06
Understanding Proportions
Defines a proportion as two equal ratios and explains the ‘constant of proportionality,’ directly extending the ratio concepts from Slide 2.
07
Setting Up Proportions from Context
Guides students to organize known and unknown values into a proportion, refreshing earlier problem-translation techniques.
08
Solving Proportions by Cross-Multiplication
Demonstrates cross-multiplication and isolating the variable, explicitly connecting to prior practice with solving linear equations.
09
Practice: Word Problems with Proportions
Provides scaffolded problems that apply Slides 6–8 skills in SAT-style contexts, reinforcing proportional reasoning.
10
Real-World Applications and SAT Strategy Check
Applies ratios and proportions to map scales, mixture recipes, and percent change, then summarizes key test-taking strategies that build on earlier solution-checking habits.
11
Key Takeaways and Targeted Practice
Synthesizes the lesson’s core proportion strategies and offers a mini-quiz plus concise summary bullets to consolidate mastery.
View Example SAT Lesson with Practice Questions and Explanations
Each SAT Sphere lesson is a focused, interactive learning experience aligned with the new Digital SAT exam format. Lessons include SAT practice questions, detailed explanations, and concept reviews to support your SAT Math or Reading and Writing preparation. Designed for measurable improvement, our SAT lessons build confidence and mastery one topic at a time.
Engage with interactive SAT content featuring real-time practice and instant feedback.
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Access a complete Digital SAT curriculum that covers all tested topics and question types.
Build Your Digital SAT Skills with the Fundamentals of Algebra Module
This lesson is part of the Fundamentals of Algebra module, a structured SAT prep unit designed to improve your performance in key areas of the Digital SAT. Each module includes multiple SAT-focused lessons that develop critical thinking, analytical skills, and test-taking confidence. Progress through each module to strengthen your understanding and raise your overall SAT score.
Advance your SAT preparation by completing other SAT Sphere lessons in the Fundamentals of Algebra module. Each lesson targets a specific concept tested on the Digital SAT, helping you deepen your knowledge and refine your skills for the real exam.
08
Modules
SAT Sphere includes 8 focused modules that cover every topic tested in the Math and Reading & Writing sections of the Digital SAT. Each module is built to strengthen core skills and test-taking ability.
86
Lessons
With 86 in-depth lessons, SAT Sphere helps you understand key SAT concepts clearly and efficiently. Our lessons break down each topic into simple, actionable parts.
10k+
Practice
Apply your knowledge using interactive SAT-style practice questions. Get immediate insights with feedback and explanations that help you improve fast.
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Reinforce your learning with more than 6900 flash cards. Use them to review vocabulary, grammar, math facts, and more — anytime, anywhere.
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Stay organized with our AI-powered study planner. Set your test date and daily study goals, and get a custom SAT prep plan tailored to your pace. Make consistent progress and be fully prepared by test day.
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Begin your SAT preparation with SAT Sphere's comprehensive Digital SAT course. Access expertly crafted SAT lessons, interactive practice questions, and proven strategies to improve your SAT Math and SAT Reading and Writing scores. Whether you're aiming for a perfect 1600 or looking to boost your score, SAT Sphere guides you step-by-step toward SAT success.
