Welcome to MathOla 🧮

Your kid-friendly hub for US-curriculum math. Explore complete grade outlines, jump into quizzes, and play skill-focused games.

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Heads up: the site is new. We’re adding content in Pre-K for now. More sections will be added soon.

Browse by Grade

Pre-K Activities
    Counting 0–10; cardinality; subitizing Number Tracing
  • Compare numbers (more/less/equal)
  • Classify/sort & simple patterns (AB, AAB)
  • 2D shapes (circle, square, triangle, rectangle)
  • Positions & prepositions (above/below, in/out, next to)
  • Compare size/length/weight informally
  • One-to-one correspondence
  • Recognize small quantities (up to 5)
Kindergarten
  • Count to 100 (by 1s & 10s); read/write numbers 0–20
  • Add/Sub within 10; compose/decompose numbers
  • Teen numbers (11–19): tens & ones (K.NBT)
  • Measurement & data: compare length/weight; classify & count
  • 2D & 3D shapes: name/describe; build/draw
  • Word problems within 10 (all situations)
  • Fluency: Add/Sub within 5
Grade 1
  • Add/Sub within 20 (fluency within 10); strategies
  • Place value to 120: tens & ones; compare numbers
  • Measurement: length (non-standard & rulers)
  • Time to hour & half-hour; tell/write time
  • Data: organize/interpret (tally, picture/bar charts)
  • Geometry: compose shapes; equal shares (halves/quarters)
  • Word problems (result, change, compare)
Quizzes Games
Grade 2
  • Add/Sub within 100 (fluency within 20); within 1000 using place value
  • Place value to 1000; skip count; compare with <, >, =
  • Foundations of multiplication: arrays, equal groups; odd/even
  • Money: dollar/cent notation; word problems
  • Time to 5 minutes; number line strategies
  • Measure lengths; line plots; estimate
  • Geometry: polygons, partition shapes into equal shares; fractions as equal parts
Quizzes Games
Grade 3
  • Multiplication & division within 100; properties; fact fluency
  • Word problems: one/two-step (all operations)
  • Fractions: unit fractions; equivalence; compare; number line
  • Area (as multiplication) & perimeter; rectilinear area
  • Measurement: time to minute; mass & liquid volume
  • Data: scaled picture/bar/line graphs
  • Intro to concepts of rectangle arrays and distributive property
Quizzes Games
Grade 4
  • Multi-digit addition/subtraction; multi-digit multiplication; divide by 1-digit
  • Factors & multiples; prime/composite
  • Fractions: equivalence; compare; add/sub (like denoms); multiply fraction×whole
  • Decimals: tenths & hundredths; compare
  • Measurement: unit conversions; word problems
  • Angles & protractor; lines, rays, symmetry; classify shapes
  • Generate & analyze patterns
Quizzes Games
Grade 5
  • Fractions: add/sub with unlike denoms; multiply/divide (incl. unit fractions)
  • Decimals to thousandths: place value; + − × ÷
  • Volume of rectangular prisms; relate volume to multiplication
  • Coordinate plane (1st quadrant); patterns & relationships
  • Measurement conversions; multi-step problems
  • Graphing: line plots with fractional data
  • Numerical expressions & order of operations
Quizzes Games
Grade 6
  • Ratios & rates; percent (intro) and unit rate
  • Divide fractions by fractions; multi-step operations
  • Rational numbers incl. negatives; absolute value; number line
  • Expressions, one-variable equations & inequalities
  • Area, surface area & volume (prisms)
  • Statistics: distributions, measures of center & variability
  • Coordinate plane with all quadrants (intro)
Quizzes Games
Grade 7
  • Proportional relationships; percent increase/discount/tax
  • Operations with rational numbers (+ − × ÷)
  • Linear equations & inequalities; slope as rate of change
  • Geometry: scale drawings; angle relationships; circles (area/circumference)
  • Area, surface area & volume (prisms, cylinders)
  • Probability & sampling; compound events
  • Generate/interpret graphs & tables
Quizzes Games
Grade 8
  • Linear equations/functions; systems of linear equations
  • Exponents & scientific notation; integer exponent rules
  • Pythagorean theorem; distance on coordinate plane
  • Transformations: translations, rotations, reflections, dilations; congruence & similarity
  • Volume: cones, cylinders, spheres
  • Bivariate data & trend lines
  • Radicals & rational/irrational numbers (intro)
Quizzes Games
Grade 9 (Algebra 1)
  • Linear/Quadratic/Exponential functions: modeling & interpretation
  • Solving equations/inequalities & systems (graph/alg)
  • Polynomials: operations; factoring (GCF, trinomials, special products)
  • Quadratics: factoring, completing square, quadratic formula, vertex/standard forms
  • Radicals & rational exponents; rational expressions (intro)
  • Statistics: bivariate data, correlation & residuals
  • Function notation; domain/range; transformations
Quizzes Games
Grade 10 (Geometry)
  • Congruence, constructions & formal proof (triangles)
  • Similarity & right-triangle trigonometry (sin/cos/tan)
  • Circles: arcs, angles, chords, tangents; sector area
  • Coordinate geometry: slope, distance, midpoint, proofs in the plane
  • Transformations & symmetry
  • Area & volume of solids; density & modeling
  • Geometric probability (intro)
Quizzes Games