Math
Integers
Open the unit →IntegersRemove counters. Preserve the value.→IntegersVideos & Explorations→Multiply integersWhat happens beyond zero?→Order of operationsSame numbers. Different grouping.→Subtract integersRemove counters. Preserve the value.→Understand integersOne position. Three ways to describe it.→Integers in the real worldA starting value is not a change.→
Fractions
Open the unit →FractionsSame whole. More ways to name it.→Add fractions & mixed numbersDifferent names. Equal-sized units.→Compare & order fractionsCompare equal wholes, not just digits.→Divide fractions & mixed numbersHow many groups fit?→Equivalent fractions & simplest formSame amount. A different partition.→Mixed numbers & improper fractionsGroup parts into complete wholes.→Multiply fractions & mixed numbersFind the overlap—and explain its unit.→Order of operations with fractionsMove the brackets. Change the calculation.→Subtract fractions & regroupSee the parts that remain.→Understand fractionsName the whole. Count the equal parts.→Fraction problems & mathematical decisionsScale every ingredient together.→
Rates, Ratios & Proportions
Open the unit →Rates, Ratios & ProportionsDifferent batches. The same balance.→Comparing ratesSee the quantities change.→Converting ratesSee the quantities change.→Equivalent ratiosSee the quantities change.→The If… projectKeep the fraction. Change the representation.→Proportional problem solvingSee the quantities change.→Rates & unit ratesSee the quantities change.→Understanding ratiosSee the quantities change.→Scale drawings & mapsSee the quantities change.→Sharing in a ratioSee the quantities change.→Solving proportionsSee the quantities change.→Proportional tables & graphsSee the quantities change.→
Percents
Open the unit →PercentsSame basket. Same coupons. Different total?→Discounts & sale pricesSeparate saved from paid.→Extreme CouponingA coupon-order laboratory→Find the percent or the wholeKeep the reference amount visible.→Fractions, decimals & percentsSee the whole and its parts.→Find percents with mental mathScale the whole by a percent.→Percent increase & decreaseCompare with where you started.→Understand percentSee the whole and its parts.→Find the partScale the whole by a percent.→Resale, profit & better decisionsRevenue and profit are different.→Percents below 1% & above 100%See the whole and its parts.→Successive coupons & percent of a percentDoes coupon order matter?→Taxes, tips & final totalsFollow the subtotal through each step.→
Linear Relations
Open the unit →Algebra tiles & equivalent expressionsMake the idea visible.→Comparing plans & interpreting modelsMake the idea visible.→The distributive propertyMake the idea visible.→Equations with divisionMake the idea visible.→Tables, coordinates & graphsMake the idea visible.→Patterns, variables & expressionsMake the idea visible.→Rate of change & starting valueMake the idea visible.→Salary ProjectAnnual pay is not total pay.→Solving equations with balanceMake the idea visible.→Writing a rule from evidenceMake the idea visible.→
Square Roots & Pythagorean Theorem
Open the unit →Distance & real-world modelsExplore the relationship→Estimate square rootsExplore the relationship→Factors & prime factorizationExplore the relationship→Find a missing legExplore the relationship→Find the hypotenuseExplore the relationship→Multi-step problems & checkingExplore the relationship→Pythag MappingTwo perpendicular changes. One diagonal.→Pythag Treasure HuntTwo perpendicular changes. One diagonal.→The Pythagorean area relationshipExplore the relationship→Right triangles & Pythagorean triplesExplore the relationship→Square roots & inverse thinkingExplore the relationship→Squares & square areaExplore the relationship→Square Roots & Pythagorean TheoremWhy does the theorem work?→
Surface Area & Volume
Open the unit →Area, units & dimensionsExplore the dimensions→Bentwood BoxesOpen box model→Composite solids & design decisionsExplore the dimensions→Surface area of cylindersExplore the dimensions→Nets & views of 3-D objectsExplore the dimensions→Surface area of prisms & pyramidsExplore the dimensions→Surface area of rectangular prismsExplore the dimensions→Volume of cylindersExplore the dimensions→Volume of right prismsExplore the dimensions→Surface Area & VolumeWhat changes when you remove the lid?→
Statistics
Open the unit →Choosing an appropriate graphMake your thinking visible.→Constructing clear, accurate graphsMake your thinking visible.→Critiquing claims & improving graphsMake your thinking visible.→Data & the questions we askMake your thinking visible.→Interpreting & comparing graphsMake your thinking visible.→How graphs can misleadChange the scale, keep the evidence.→Graph strengths & limitationsMake your thinking visible.→
Science
Mix & Flow of Matter
Open the unit →Buoyancy & displacementBalance weight and buoyancy→Mass, volume & densityMeasure a mystery material→Mass, volume & densityMass, Volume, and Density→Fluid technologies & investigationsSee what the fluid is doing→Hydraulics & fluid pressureInside a hydraulic lift→Particles, states & fluidsWatch matter change state→Particles, states & fluidsStates of Matter→Pressure & compressionInvestigate pressure below the surface→Pressure & compressionFluids at Rest→Solubility & concentrationBuild and dilute a solution→Viscosity & flow rateMeasure volume. Measure time. Compare flow.→Viscosity & flow rateWhat is Viscosity?→Mix & Flow of MatterMake the science visible→
Cells & Systems
Open the unit →Inside a cellExplore animal and plant cells→Cell theoryExplore the idea→Circulatory systemFollow blood through the heart→Diffusion & osmosisExplore the idea→Digestive systemTravel through the digestive system→Excretory systemLook inside a kidney→Levels of organizationExplore the idea→What does it mean to be living?Explore the idea→The microscopeExplore the idea→Nervous systemSend a signal along a neuron→Plant transportationExplore the idea→Respiratory systemExplore a breathing lung→Cells & SystemsVideos & explorations→
Light & Optics
Open the unit →Animal eyes & adaptationsWhy do cats have vertical pupils?→Animal eyes & adaptationsA wider view or more overlap?→Colour & the visible spectrumWhat is colour?→Colour & the visible spectrumMix light and filter a spectrum→Concave & convex mirrorsThe spoon-reflection puzzle→Concave & convex mirrorsCompare curved mirrors→Investigating eye structuresConnect the structures with their jobs→Investigating eye structuresMap a blind spot with your own vision→The human eyeFollow light through the eye→The human eyeKeep the image on the retina→Lenses & image formationCan you catch an image on a screen?→Lenses & image formationBuild an image with a lens→Light, sources & scientific evidenceA camera and an eye→Light, sources & scientific evidenceA dark room can form an image→Light sources & lighting energyHow modern light bulbs work→Light sources & lighting energyCompare power, time and cost→Optical devicesInside the world’s largest camera lens→Optical devicesAn optical bench you can rearrange→Plane mirrors & the law of reflectionWhat does a mirror actually reverse?→Plane mirrors & the law of reflectionBuild a route with mirrors→Rays, shadows & materialsWhy glass lets light through→Rays, shadows & materialsBuild a shadow. Change one condition.→Refraction & apparent positionGuide light with a stream of water→Refraction & apparent positionFollow light across a boundary→Extending & correcting visionHow glasses change the focus→Extending & correcting visionKeep the image on the retina→Waves, photons & model limitsThe original double-slit experiment→Waves, photons & model limitsTest the wave model against a pattern→Light & OpticsMake the light path visible→
Mechanical Systems
Open the unit →Efficiency, friction & energy auditsWatch friction change the energy stores→Efficiency, friction & energy auditsEfficiency and simple machines→Energy sources & transformationsBuild an energy-transfer system→Energy sources & transformationsWhere does energy come from?→Gears, sprockets & rotationChange a bicycle transmission→Gears, sprockets & rotationGears: speed or turning effect?→Hydraulics & pneumaticsPascal’s law: force and travel together→Hydraulics & pneumaticsInside a hydraulic jack→Levers & turning effectsBuild a balance, then predict a change→Levers & turning effectsMechanical advantage of levers→Mechanical advantage & speed ratioOne lift. Four measurements. Three ratios.→Mechanical advantage & speed ratioConnect force advantage with distance→Pulleys, ramps & distance trade-offsRaise the load and read the spring scale→Pulleys, ramps & distance trade-offsWhy snatch blocks work→Machines, systems & useful workInvestigate forces before combining mechanisms→Machines, systems & useful workMechanical advantage and simple machines→Work, distance & powerWork and power: change the measurements→Work, distance & powerLet’s get to work→Mechanical SystemsExplore working mechanisms→
Fresh & Saltwater Systems
Open the unit →Aquatic life & changing ecosystemsWhat is eutrophication?→Aquatic life & changing ecosystemsWhat is eutrophication?→Glaciers, ice & climateWatch decades of glacier change→Glaciers, ice & climateWatch decades of glacier change→Oceans, waves, tides & currentsExplore ocean currents across the globe→Oceans, waves, tides & currentsHow do ocean currents work?→Water treatment & community choicesHow do water treatment plants work?→Water’s changing pathwaysWatch the particles as water changes state→Water’s changing pathwaysSee water moving through the Earth system→Water on EarthZoom into Earth’s water→Water on EarthA water-rich planet with water shortages→Water quality & evidenceWater-quality evidence from Alberta→Watersheds & streamsOne storm. Two landscapes.→Watersheds & streamsRead the landscape as a drainage system→