Years 3–4 Maths (Stage 2)
The Year 4 half of our Years 3â4 Stage 2 course: multiplication and division, fractions and decimals, measurement, angles and data.
18 lessons
- Written Multiplication: 2-Digit × 1-Digit
- Order of Operations
- Comparing Fractions with Unlike Denominators
- Mixed Numerals & Improper Fractions
- Decimals to Three Places
- Function Machines & Working Backwards
- Kilometres & Distance
- Calculating Area: Length × Width
- Calculating Volume of a Rectangular Prism
- Tonnes & Choosing a Unit
- 24-Hour Time
- Reflex Angles & the Protractor
- Two-Way Tables
- Line Graphs & Timelines
- Tenths & Hundredths as Decimals
- Comparing & Ordering Decimals
- Decimals and Fractions Together
- Money as Decimals
Year 4 OC Mathematical Thinking
Preparation for the NSW Opportunity Class placement test (sat in Year 4 for Year 5 entry): number reasoning, patterns, word problems and logic, spatial reasoning, data, and OC test technique.
24 lessons
- Place Value to 100,000 & Rounding
- Four Operations: Fast & Accurate
- Order of Operations & Number Sentences
- Equivalent Fractions & Comparing
- Decimals: Tenths & Hundredths
- Number Lines & Fractions: Jumps, Positions & Closest Numbers
- Number Sequences & Function Machines
- Shape & Growing Patterns
- Multi-step Word Problems
- Working Backwards
- Logic Puzzles & Deduction
- Balance & Equivalence: Scales, Swaps & Made-up Money
- Rates, Work & Packing: Layers, Limits & Tournaments
- Units, Perimeter & Area Problems
- Time & Timetable Problems
- Spatial Reasoning: Folding, Rotating & Views
- 2D Shapes: Classifying, Right Angles & Cutting
- Rotate, Reflect & Identical Shapes
- Reading Scales: Thermometers, Jugs, Maps & Graphs
- 3D Reasoning: Cube Stacks, Hidden Faces & Tallest Stack
- Area & Volume: Scaling, Shared Fractions & Displacement
- Graphs, Tables & Averages
- Chance: Certain, Likely & Equally Likely
- Multiple-Choice Speed & Elimination
Year 4 OC Thinking Skills
Thinking Skills section of the NSW Opportunity Class placement test (30 questions, 30 minutes): critical thinking (arguments, reasoning, flaws), logical deduction puzzles, numerical problem solving, spatial reasoning, and test technique. Modeled on the official NSW practice papers.
18 lessons
- Supporting a Claim
- Whose Reasoning Is Correct?
- Spotting the Mistake
- What Must Be True
- Ordering & Line-ups
- Seating & Position Puzzles
- Sets, Groups & Overlaps
- Knowing Enough — Information Sufficiency
- Speed & Time Comparison Puzzles
- Counting Days & Events
- Working Backwards
- Tables & Limiting Factors
- Nets & Folding Dice
- Shape Jigsaws — Same Pieces
- Domino & Grid Rules
- Plans, Views & Maps
- Elimination & Time Strategy
- Thinking Skills Practice Set
Every lesson is free to read without an account. A free account saves progress and unlocks the exercises and quizzes. Sign up free.