Operations with Rational Numbers
Add, subtract, multiply, and divide positive and negative integers, fractions, and decimals. Interactive Grade 7 lesson with practice.
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📚 Scholi · Grade 7
Mathematics
Units follow the order of the Scholi programme. Pick a topic and start.
ReadyEnglish
- Units
- 9
- Topics
- 9
- Ready
- 9
Course plan
Units and topics
Go in order, or start from any topic.
ReadyIn the labPlanned
Unit 1Ready
Operations with Rational Numbers
1 topic · 1 topic open
Unit 2Ready
Proportional Relationships
1 topic · 1 topic open
Proportional Relationships
Identify ratios, find the constant of proportionality k, and write proportional equations. Interactive Grade 7 lesson with practice.
Written inEnglish
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Unit 3Ready
Percent Applications
1 topic · 1 topic open
Percent Applications
Solve real-world percent problems including discount, markup, tax, and simple interest. Interactive Grade 7 lesson with practice.
Written inEnglish
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Unit 4Ready
Expressions & Equivalent Forms
1 topic · 1 topic open
Expressions & Equivalent Forms
Expand, factor, and combine like terms using the distributive property and rational coefficients. Interactive Grade 7 lesson with practice.
Written inEnglish
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Unit 5Ready
Multi-Step Equations & Inequalities
1 topic · 1 topic open
Multi-Step Equations & Inequalities
Solve and graph multi-step equations and inequalities on a number line. Interactive Grade 7 lesson with practice.
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Unit 6Ready
Scale Drawings & Constructions
1 topic · 1 topic open
Scale Drawings & Constructions
Compute lengths and areas from scale drawings, and construct geometric triangles. Interactive Grade 7 lesson with practice.
Written inEnglish
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Unit 7Ready
Circles, Angles & 3-D Figures
1 topic · 1 topic open
Circles, Angles & 3-D Figures
Apply formulas for circle circumference/area and find prism surface area/volume. Interactive Grade 7 lesson with practice.
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Unit 8Ready
Sampling & Inference
1 topic · 1 topic open
Sampling & Inference
Use random samples to draw population inferences and compare centers and spreads. Interactive Grade 7 lesson with practice.
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Unit 9Ready
Probability of Simple & Compound Events
1 topic · 1 topic open
Probability of Simple & Compound Events
Compute theoretical and experimental probabilities using tables, trees, and simulations. Interactive Grade 7 lesson with practice.
Written inEnglish
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New units appear here as they are added. The order follows the Scholi programme.
In every topic
How a topic works
Four parts. You see it with a tool, then try it, then practise.
Learn
Starts with a scene. You move in short steps.
Explore
You use the tool yourself. Break it, fix it.
Practice
Easy, medium, hard. Questions with the same tool.
Summary
Rules, words and formulas on one page.