Ratios and Proportions Answer Key
Use ratios to compare quantities and solve proportion problems.
Looking for Ratios and Proportions answers? This complete answer key provides verified solutions for all student exploration activities and assessment questions in the ExploreLearning Ratios and Proportions Gizmo.
✅ 100% Free • Step-by-step explanations • Perfect for homework help • Covers all activities • Updated for 2026
Understanding Ratios
Q1.What's a ratio?
A comparison of two quantities. Can be written as 3:4, 3/4, or "3 to 4".
Q2.If there are 12 boys and 15 girls, what's the ratio of boys to girls?
12:15, which simplifies to 4:5.
Solving Proportions
Q3.What's a proportion?
An equation showing two ratios are equal, like 2/3 = 4/6.
Q4.How do you solve a proportion with a missing value?
Q5.If 5 apples cost $2, how much do 15 apples cost?
Ask AI about this Gizmo
Get instant explanations for any question
💬
Ask anything about Ratios and Proportions
e.g. "Why does photosynthesis need light?"
Related Math Gizmos
Linear Functions
Explore linear functions by changing slope and y-intercept and observing effects on graphs.
Pythagorean Theorem
Discover the Pythagorean theorem and apply it to find missing side lengths of right triangles.
Theoretical and Experimental Probability
Compare theoretical and experimental probability through simulations and discover the Law of Large Numbers.