Class Four Maths

Addition

• A.1Addition
• A.2Addition Word Problem

Subtraction

• A.1Subtraction
• A.2Subtraction Word Problem

Multiplication

• A.1Multiplication
• A.2Multiplication Word Problem

Division

• A.1Division
• A.2Division Word Problem

Fraction Concepts

• A.1Fair Shares Intro
• A.2Parts of a Whole
• A.3Naming the Parts
• A.4Halves, Thirds & Quarters
• A.5Equal vs. Unequal Parts

Reading, Writing & Visualizing Fractions

• A.1Fraction Match (Picture ↔ Symbol)
• A.2Build the Fraction
• A.3Fraction Strips / Bars
• A.4Fractions on a Number Line (Intro)
• A.5Fraction of a Group
• A.6Real-World Fraction Spotting

Equivalence & Simplifying

• B.1Equivalent Fractions Visual Match
• B.2Fraction Wall / Ladder
• B.3Multiply-Up to Find Equivalents
• B.4Simplify to Lowest Terms

Fraction Comparing & Ordering

• A.1Same Denominator Compare
• A.2Same Numerator Compare
• A.3Benchmark Fractions (vs 0, 1/2, 1)
• A.4Cross-Denominator Compare (Unlike Fractions)
• A.5Ordering 3–4 Fractions
• A.6Fraction vs Fraction Number Line Placement

Fraction of a Whole Number & Quantity

• A.1Fraction of a Set (Grouping)
• A.2Fraction of a Number (Numeric)
• A.3Unit Fraction vs Non-Unit Fraction of a Number
• A.4Real-World Fraction-of-Quantity Problems

Adding & Subtracting Fractions

• A.1Same-Denominator Add/Subtract (Visual)
• A.2Same-Denominator Add/Subtract (Numeric)
• A.3Adding to Make a Whole
• A.4Unlike Denominators — Find Common Denominator First
• A.5Unlike Denominators — Straight to Answer
• A.6Mixed Number Addition/Subtraction

Multiplying & Dividing Fractions

• B.1Fraction × Whole Number (Visual)
• B.2Fraction × Fraction (Area Model)
• B.3Fraction × Fraction (Numeric Shortcut)
• B.4Dividing a Fraction by a Whole Number
• B.5Dividing Whole Number by a Fraction
• B.6Reciprocals & “Keep-Change-Flip” Intro

Applied & “Pro” Level

• A.1Fraction Word Problems (Multi-Step)
• A.2Simplifying After Operations
• A.3Fraction Estimation Warm-Up
• A.4Spot the Mistake (Fractions)
• A.5Fraction Fact-Family / Inverse Check
• A.6Ratio & Proportion Bridge

What is a decimal? (Foundations)

• A.1Splitting the Whole into Tens
• A.2The Missing Piece Between Whole Numbers
• A.3Base-10 Blocks: Flat = Whole
• A.4Naming the Spots After the Point
• A.5Equal Cuts Only (Trap Questions)

Reading, Writing & Visualizing Decimals

• B.1Decimal Match (Picture ↔ Symbol)
• B.2Build the Decimal
• B.3Decimal Grids (10-strip vs 100-grid)
• B.4Decimals on a Number Line (Intro)
• B.5Decimal of a Group
• B.6Real-World Decimal Spotting

Equivalence & Place Value Shifting

• C.1Equivalent Decimals Visual Match
• C.2Trailing Zero Explorer
• C.3Decimal ↔ Fraction Bridge
• C.4Zooming In: Tenths → Hundredths → Thousandths

Decimal of a Whole Number & Quantity

• A.1Tenths of a Set (Grouping)
• A.2Real-World Decimal-of-Quantity Problems
• A.3Money as the Universal Decimal Model

Decimal Comparing & Ordering

• A.1Same Place-Value Compare
• A.2Different-Length Decimal Compare
• A.3Benchmark Decimals (vs 0, 0.5, 1)
• A.4Decimal Number Line Placement
• A.5Ordering 3–4 Decimals

Adding & Subtracting Decimals

• A.1Same Place-Value Add/Subtract (Visual)
• A.2Crossing the Whole (Regrouping)
• A.3Mismatched Place Values (Align by Grid)
• A.4Money Add/Subtract as Real Practice

Multiplying & Dividing Decimals (conceptual only)

• A.1Decimal × Whole Number (Repeated Shading)
• A.2Decimal × Decimal (Area Model)
• A.3Dividing a Decimal by a Whole Number
• A.4Dividing Whole Number by a Decimal (Measuring)
• A.5Why Multiplying Decimals Can Make Numbers Smaller

Decimals, Fractions, and Place Value Unified

• A.1Decimal ↔ Fraction Conversion (Visual)
• A.2Decimal ↔ Percent Preview
• A.3Rounding by Zooming