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Grade 3 SubjectsPrimary SchoolInteractive Course

Grade 3 Mathematics Mastery Hub

Grade 3 is the bridge between basic counting and real algebra: multiplication, division, fractions, area, perimeter, time, and shapes!

12 of 12 Chapters Available
100% Ready
Chapters
12
Total Units
Ready
12
Interactive
Hours
24h
Est. Learning
Goal
100%
Mastery Target

Grade 3 · Grade 3 Mathematics

Curriculum Chapters

Showing 12 of 12
Chapter 3.1
Ready

Multiplication Within 100

Multiply with arrays, equal groups, and the commutative and distributive tricks. Build fact fluency.

ArraysFact FluencyDistributive Property
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Chapter 3.2
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Division Within 100

Share fairly, make groups of N, find missing factors, and use letters for unknowns.

Fair ShareMissing FactorsDivision Fluency
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Chapter 3.3
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Multi-Digit Arithmetic

Add and subtract big numbers column by column. Carry, borrow, round, and estimate.

Column AdditionBorrowingRounding & Estimation
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Chapter 3.4
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Understanding Fractions

Shade parts, place fractions on a number line, find equivalents, and compare.

Number Line FractionsEquivalent FractionsComparing
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Chapter 3.5
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Area Explorer

Cover rectangles with square tiles. Count, multiply sides, and tackle L-shapes.

Unit SquaresLength × WidthL-Shapes
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Chapter 3.6
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Perimeter

Trace the edge of shapes. Find missing sides.

Perimeter FormulaMissing Side LengthsPolygon Outlines
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Chapter 3.7
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Time

Read clocks to the minute. Solve elapsed time. Learn the 24-hour clock.

Minute PrecisionElapsed Time24-Hour Format
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Chapter 3.8
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Mass & Volume

Mass and volume word problems. Convert g↔kg, ml↔L, mm↔cm.

Gram & KilogramLiters & MillilitersUnit Conversions
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Chapter 3.9
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Fractions Deeper

Improper fractions, fractions of groups, and adding same-bottom fractions.

Improper FractionsFraction of a SetSame Denominator
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Chapter 3.10
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Negatives & Patterns

Read temperatures above and below zero. Spot patterns. Group factors.

Sub-zero TempsNumber PatternsFactor Groups
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Chapter 3.11
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Shapes & Attributes

Classify quadrilaterals by sides and angles. Split shapes into equal parts.

QuadrilateralsRight AnglesEqual Shares
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Chapter 3.12
Ready

Scaled Graphs

Read scaled bar graphs. Draw your own. Place X marks on line plots with halves and quarters.

Scaled Bar GraphsLine PlotsHalves & Quarters
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Capstone Assessment

Grade 3 Capstone Final Exam

48 questions — 6 from every chapter, mixed and shuffled. Pick Easy, Medium, or Hard.

Start Exam
About this page

About Grade 3 Mathematics

Grade 3 Mathematics on Scholi is organised chapter by chapter. Each chapter opens as an interactive lesson with a visualizer, a cheat sheet of the rules and worked examples, and a practice set arranged in easy, medium and hard tiers.

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