Hi, I'm Ace. What would you like to learn?

5th Grade · Math · Open Global Math
Absolute Value and Integer Computations
Track 1 of 9 · 8 lessons
8 lessons
Calculate absolute values, compare magnitude versus order, find intervals across zero, and compute mental additions and subtractions with integers.
Featured Diagrams
- 1Understanding Absolute Value as Distance from ZeroUp nextStart
- 2Debt Contexts: Absolute Value vs. OrderPremiumNot started yet
- 3Calculating Distance Between Positive and Negative Numbers Across ZeroNot started yet
- 4Distance Between Two Rational Numbers on a Number LineNot started yet
- 5Adding Integers with the Same Sign MentallyNot started yet
- 6Adding Integers with Different Signs MentallyNot started yet
- 7Subtracting Integers by Adding the OppositeNot started yet
- 8Solving Real-World Integer Change ProblemsNot started yet
Adding and Subtracting Fractions and Mixed Numbers
Track 2 of 9 · 9 lessons
9 lessons
Add and subtract proper fractions, improper fractions, and mixed numbers with like and unlike denominators, including regrouping.
Featured Diagrams
- 1Estimating Fraction Sums and Differences Using BenchmarksUp nextStart
- 2Adding and Subtracting Fractions with Like Denominators FluentlyPremiumNot started yet
- 3Adding Fractions with Unlike Denominators Using Visual ModelsNot started yet
- 4Subtracting Fractions with Unlike Denominators Using ModelsNot started yet
- 5Adding and Subtracting Three or More Fractions with Unlike DenominatorsNot started yet
- 6Adding Mixed Numbers with Unlike Denominators and RegroupingNot started yet
- 7Subtracting Mixed Numbers with Unlike Denominators and RegroupingNot started yet
- 8Subtracting Mixed Numbers by Converting to Improper FractionsNot started yet
- 9Solving Multi-Step Fraction Addition and Subtraction Word ProblemsNot started yet
Additive Volume, Composite Solids, and Liquid Displacement
Track 3 of 9 · 6 lessons
6 lessons
Calculate the volume of composite three-dimensional figures, determine missing dimensions, and measure irregular object volumes using liquid displacement.
Featured Diagrams
- 1Understanding Volume by Adding PartsUp nextStart
- 2Breaking Apart L-Shaped and Stepped PrismsPremiumNot started yet
- 3Calculating Volume of Solids with Rectangular Cutouts and HolesNot started yet
- 4Measuring Volume of Irregular Objects by DisplacementNot started yet
- 5Connecting Liquid Capacity and Cubic Volume UnitsNot started yet
- 6Solving Complex Multi-Step Composite Volume ProblemsNot started yet
Advanced Metric Conversions: Length, Mass, and Capacity
Track 4 of 9 · 11 lessons
11 lessons
Master converting across standard and extended metric units including decimeters, decagrams, and metric tons, and solve complex multi-step problems.
Featured Diagrams
- 1Understanding Metric Prefixes: Milli, Centi, Deci, Deca, Hecto, and KiloUp nextStart
- 2Converting Between Millimeters, Centimeters, Decimeters, and MetersPremiumNot started yet
- 3Converting Between Meters and Kilometers with DecimalsNot started yet
- 4Solving Multi-Step Length Word ProblemsNot started yet
- 5Converting Between Milligrams, Grams, Decagrams, and KilogramsNot started yet
- 6Converting Between Kilograms and Metric TonsNot started yet
- 7Solving Multi-Step Mass Word ProblemsNot started yet
- 8Converting Between Milliliters, Centiliters, Deciliters, and LitersNot started yet
- 9Connecting Liters and Milliliters to Cubic Centimeters and DecimetersNot started yet
- 10Solving Multi-Step Capacity and Volume Word ProblemsNot started yet
- 11Converting Units Before Calculating in Multi-Step ProblemsNot started yet
Bearings, Scale Drawings, and Route Interpretation
Track 5 of 9 · 9 lessons
9 lessons
Specify positions using compass points and three-figure bearings, interpret route maps, and use scale factors to enlarge/reduce shapes and calculate distances.
Featured Diagrams
- 1Specifying Locations Using 8-Point Compass DirectionsUp nextStart
- 2Understanding and Measuring Three-Figure BearingsPremiumNot started yet
- 3Drawing Journeys Using Bearings and DistancesNot started yet
- 4Describing and Interpreting Route MapsNot started yet
- 5Enlarging and Reducing 2D Figures on GridsNot started yet
- 6Ratios in Real Life: Maps and Scale DrawingsNot started yet
- 7Map Scales: Calculating Real-World DistancesNot started yet
- 8Calculating Drawing Lengths from Real-World MeasurementsNot started yet
- 9Solving Multi-Step Navigation and Scale ProblemsNot started yet
Chance Experiments, Outcomes, and Sample Spaces
Track 6 of 9 · 6 lessons
6 lessons
Conduct chance experiments, list full sample spaces using organized lists and tree diagrams, and compute theoretical probabilities.
Featured Diagrams
- 1Listing Possible Outcomes of Chance ExperimentsUp nextStart
- 2Distinguishing Between Equally Likely and Non-Equally Likely OutcomesPremiumNot started yet
- 3Constructing Systematic Lists and Sample Space GridsNot started yet
- 4Constructing Tree Diagrams for Two-Stage Chance ExperimentsNot started yet
- 5Calculating Theoretical Probabilities as Fractions, Decimals, and PercentsNot started yet
- 6Calculating Probabilities of Complementary EventsNot started yet
Circle Geometry: Compass Construction, Circumference, and Area
Track 7 of 9 · 8 lessons
8 lessons
Identify circle parts, construct circles using a compass, understand pi as a geometric ratio, and calculate the circumference and area of circles and sectors.
Featured Diagrams
- 1Parts of a Circle: Radius, Diameter, Chord, and SectorUp nextStart
- 2Drawing Precise Circles Using a CompassPremiumNot started yet
- 3Discovering Pi as the Ratio of Circumference to DiameterNot started yet
- 4Calculating Circumference Using C = πd and C = 2πrNot started yet
- 5Deriving Circle Area by Rearranging into a ParallelogramNot started yet
- 6Calculating the Area of Circles with Radius and DiameterNot started yet
- 7Finding Area and Perimeter of Semicircles and Quarter CirclesNot started yet
- 8Real-World Word Problems with CirclesNot started yet
Combined Operations, Finding the Whole, and Fractional Changes
Track 8 of 9 · 7 lessons
7 lessons
Perform mixed operations across fractions and decimals, find total quantities from fractional parts, and compute fractional increases and decreases.
Featured Diagrams
- 1Calculations With Both Common and Decimal FractionsUp nextStart
- 2Order of Operations with Fractions and DecimalsPremiumNot started yet
- 3Finding the Whole Given a Unit FractionNot started yet
- 4Finding the Whole Given a Non-Unit FractionNot started yet
- 5Calculating Quantities After a Fractional IncreaseNot started yet
- 6Calculating Quantities After a Fractional DecreaseNot started yet
- 7Solving Multi-Step Problems with Fractional Changes and PartsNot started yet
Comparing and Evaluating Multiple Data Displays
Track 9 of 9 · 4 lessons
4 lessons
Compare alternative representations of the same dataset, detect misleading features, and choose optimal graph types.
Featured Diagrams
- 1Matching Identical Datasets Across Tables, Plots, and ChartsUp nextStart
- 2Choosing the Best Graph Type for a Given Data ScenarioPremiumNot started yet
- 3Identifying Misleading Graphs and Distorted AxesNot started yet
- 4Drawing Evidence-Based Conclusions from Multi-Display ReportsNot started yet