What we teach
Every skill on the lane
294 skills from kindergarten to high school, each with a lesson and 12 practice questions. Open a grade to see its skills and the standards they cover.
🧮 Number Workshop
Math
Standards: Common Core State Standards for Mathematics.
KKindergarten7 skills
- Counting to 100 by ones and tens
K.CC.A.1 · K.CC.A.2
- Counting objects and writing numbers to 20
K.CC.A.3 · K.CC.B.4 · K.CC.B.5
- Comparing groups and numbers to 10
K.CC.C.6 · K.CC.C.7
- Adding and subtracting within 10
K.OA.A.1 · K.OA.A.2 · K.OA.A.5
- Number pairs, making 10, and teen numbers
K.OA.A.3 · K.OA.A.4 · K.NBT.A.1
- Comparing size and sorting objects
K.MD.A.1 · K.MD.A.2 · K.MD.B.3
- Naming and describing shapes
K.G.A.1 · K.G.A.2 · K.G.A.3 · K.G.B.4 · K.G.B.5 · K.G.B.6
1Grade 18 skills
- Addition and subtraction facts within 20
1.OA.B.3 · 1.OA.B.4 · 1.OA.C.5 · 1.OA.C.6
- Addition and subtraction word problems within 20
1.OA.A.1 · 1.OA.A.2
- The equal sign and missing numbers
1.OA.D.7 · 1.OA.D.8
- Counting to 120, tens and ones, and comparing
1.NBT.A.1 · 1.NBT.B.2 · 1.NBT.B.3
- Adding within 100 and 10 more or 10 less
1.NBT.C.4 · 1.NBT.C.5 · 1.NBT.C.6
- Measuring and ordering lengths
1.MD.A.1 · 1.MD.A.2
- Telling time and reading simple charts
1.MD.B.3 · 1.MD.C.4
- Shape attributes, halves, and fourths
1.G.A.1 · 1.G.A.2 · 1.G.A.3
2Grade 28 skills
- Adding and subtracting within 100
2.OA.B.2 · 2.NBT.B.5 · 2.NBT.B.6 · 2.NBT.B.9
- One- and two-step word problems within 100
2.OA.A.1 · 2.MD.B.5
- Odd and even numbers and arrays
2.OA.C.3 · 2.OA.C.4 · 2.G.A.2
- Place value to 1000 and skip-counting
2.NBT.A.1 · 2.NBT.A.2 · 2.NBT.A.3 · 2.NBT.A.4
- Adding and subtracting within 1000
2.NBT.B.7 · 2.NBT.B.8
- Measuring length, number lines, and graphs
2.MD.A.1 · 2.MD.A.2 · 2.MD.A.3 · 2.MD.A.4 · 2.MD.B.6 · 2.MD.D.9 · 2.MD.D.10
- Time to 5 minutes and counting money
2.MD.C.7 · 2.MD.C.8
- Shapes and equal shares: halves, thirds, fourths
2.G.A.1 · 2.G.A.3
3Grade 39 skills
- Multiplication meaning and facts
3.OA.A.1 · 3.OA.A.3 · 3.OA.C.7
- Division meaning and facts
3.OA.A.2 · 3.OA.A.4 · 3.OA.C.7
- Rounding and place value
3.NBT.A.1
- Add and subtract within 1000
3.NBT.A.2
- Two-step word problems
3.OA.D.8
- Unit fractions and fractions on a number line
3.NF.A.1 · 3.NF.A.2
- Equivalent and comparing fractions
3.NF.A.3
- Area and perimeter
3.MD.C.7 · 3.MD.D.8
- Time, liquid volume, and mass problems
3.MD.A.1 · 3.MD.A.2
4Grade 48 skills
- Place value and rounding multi-digit numbers
4.NBT.A.1 · 4.NBT.A.2 · 4.NBT.A.3
- Multi-digit multiplication
4.NBT.B.5
- Division with remainders
4.NBT.B.6 · 4.OA.A.3
- Factors, multiples, and primes
4.OA.B.4
- Equivalent fractions and comparing fractions
4.NF.A.1 · 4.NF.A.2
- Add and subtract fractions and mixed numbers with like denominators
4.NF.B.3
- Multiply a fraction by a whole number
4.NF.B.4
- Decimals: tenths and hundredths
4.NF.C.5 · 4.NF.C.6 · 4.NF.C.7
5Grade 59 skills
- Place value and powers of 10
5.NBT.A.1 · 5.NBT.A.2 · 5.NBT.A.4
- Multi-digit multiplication and division
5.NBT.B.5 · 5.NBT.B.6
- Add, subtract, multiply, and divide decimals
5.NBT.B.7
- Add and subtract fractions with unlike denominators
5.NF.A.1 · 5.NF.A.2
- Multiply fractions
5.NF.B.4 · 5.NF.B.5 · 5.NF.B.6
- Divide unit fractions and whole numbers
5.NF.B.7
- Volume of rectangular prisms
5.MD.C.3 · 5.MD.C.4 · 5.MD.C.5
- Order of operations and expressions
5.OA.A.1 · 5.OA.A.2
- The coordinate plane
5.G.A.1 · 5.G.A.2
6Grade 68 skills
- Understand ratios and ratio language
6.RP.A.1
- Find unit rates
6.RP.A.2
- Find a percent of a quantity
6.RP.A.3.C
- Divide fractions by fractions
6.NS.A.1
- Positive and negative numbers on the number line
6.NS.C.5 · 6.NS.C.6
- Write and evaluate expressions with variables
6.EE.A.2
- Generate equivalent expressions
6.EE.A.3
- Solve one-step equations
6.EE.B.7
7Grade 77 skills
- Add and subtract rational numbers
7.NS.A.1
- Multiply and divide rational numbers
7.NS.A.2
- Recognize and represent proportional relationships
7.RP.A.2
- Solve multistep percent problems
7.RP.A.3
- Expand, factor, and combine linear expressions
7.EE.A.1
- Solve two-step equations
7.EE.B.4.A
- Solve two-step inequalities
7.EE.B.4.B
8Grade 89 skills
- Properties of integer exponents
8.EE.A.1
- Square roots and cube roots
8.EE.A.2
- Graph proportional relationships; slope as unit rate
8.EE.B.5
- Slope and y = mx + b
8.EE.B.6
- Linear equations with variables on both sides
8.EE.C.7
- Solve systems of two linear equations
8.EE.C.8
- Understand functions as input → output rules
8.F.A.1
- Construct a linear function to model a relationship
8.F.B.4
- Apply the Pythagorean theorem
8.G.B.7
9High school (9)8 skills
- Solve linear equations and inequalities in one variable
HSA.REI.B.3
- Use and interpret function notation
HSF.IF.A.2
- Solve systems algebraically and graphically
HSA.REI.C.6
- Construct linear and exponential functions
HSF.LE.A.2
- Add, subtract, and multiply polynomials
HSA.APR.A.1
- Use structure to rewrite expressions
HSA.SSE.A.2
- Factor quadratics to reveal zeros
HSA.SSE.B.3.A
- Solve quadratic equations
HSA.REI.B.4
10High school (10)6 skills
- Transformations and congruence (Geometry)
HSG.CO.A.5 · HSG.CO.B.7 · HSG.CO.B.8
- Similarity and scale factor (Geometry)
HSG.SRT.A.2 · HSG.SRT.B.5
- Right-triangle trigonometry and the Pythagorean theorem (Geometry)
HSG.SRT.C.6 · HSG.SRT.C.8
- Circles: arcs, angles, circumference, area, and sectors (Geometry)
HSG.C.A.2 · HSG.C.B.5
- Coordinate geometry: distance, midpoint, and slope proofs (Geometry)
HSG.GPE.B.4 · HSG.GPE.B.5 · HSG.GPE.B.6 · HSG.GPE.B.7
- Volume of cylinders, cones, and spheres (Geometry)
HSG.GMD.A.3
11High school (11)6 skills
- Polynomial operations and factoring (Algebra II)
HSA.APR.B.2 · HSA.APR.B.3 · HSA.SSE.A.2
- Complex numbers (Algebra II)
HSN.CN.A.1 · HSN.CN.A.2
- Rational exponents and radicals (Algebra II)
HSN.RN.A.1 · HSN.RN.A.2
- Exponential growth and decay (Algebra II)
HSF.LE.A.2 · HSF.IF.C.8.B
- Logarithms (Algebra II)
HSF.LE.A.4 · HSF.BF.B.5
- Function transformations and inverses (Algebra II)
HSF.BF.B.3 · HSF.BF.B.4.A
12High school (12)4 skills
- Describing data: center and spread (Statistics)
HSS.ID.A.2 · HSS.ID.A.3
- Normal distributions and z-scores (Statistics)
HSS.ID.A.4
- Two-way tables and conditional probability (Statistics)
HSS.CP.A.3 · HSS.CP.A.4 · HSS.CP.B.6
- Probability rules and counting (Statistics)
HSS.CP.B.7 · HSS.CP.B.8 · HSS.CP.B.9
📚 Story House
Reading & writing
Standards: Common Core State Standards for English Language Arts (including Foundational Skills for K–2).
KKindergarten7 skills
- Letters, books, and print
RF.K.1 · L.K.2
- Rhymes, syllables, and sounds in words
RF.K.2
- Letter sounds and reading simple words
RF.K.3
- Sight words and first books
RF.K.4
- Listening to stories: characters, setting, and events
RL.K.1 · RL.K.2 · RL.K.3 · RL.K.4 · RL.K.5 · RL.K.6 · RL.K.7
- Listening to nonfiction: topic and details
RI.K.1 · RI.K.2 · RI.K.3 · RI.K.4 · RI.K.5 · RI.K.6 · RI.K.7
- Word meanings and talking in sentences
L.K.1 · L.K.4 · L.K.5
1Grade 18 skills
- Blending and breaking apart sounds
RF.1.2
- Phonics: digraphs, silent e, and vowel teams
RF.1.3
- Sight words and reading smoothly
RF.1.4
- Reading stories: details, lessons, and characters
RL.1.1 · RL.1.2 · RL.1.3 · RL.1.7 · RL.1.9
- Feeling words, kinds of books, and who is telling
RL.1.4 · RL.1.5 · RL.1.6
- Reading nonfiction: topic, details, and text features
RI.1.1 · RI.1.2 · RI.1.3 · RI.1.5 · RI.1.6 · RI.1.8
- Sentences, capitals, and punctuation
RF.1.1 · L.1.1 · L.1.2
- Word meanings, word endings, and word groups
L.1.4 · L.1.5
2Grade 28 skills
- Phonics: vowel teams, long vowels, prefixes and suffixes
RF.2.3
- Tricky words and reading fluently
RF.2.4
- Reading stories: details, morals, and how characters respond
RL.2.1 · RL.2.2 · RL.2.3 · RL.2.7 · RL.2.9
- Rhythm, story structure, and characters' points of view
RL.2.4 · RL.2.5 · RL.2.6
- Reading nonfiction: main topic, paragraphs, and connections
RI.2.1 · RI.2.2 · RI.2.3 · RI.2.7
- Text features, author's purpose, and reasons
RI.2.5 · RI.2.6 · RI.2.8 · RI.2.9
- Grammar, capitals, and apostrophes
L.2.1 · L.2.2
- Prefixes, compound words, and shades of meaning
L.2.4 · L.2.5
3Grade 36 skills
- Reading stories: key details, lessons, and characters
RL.3.1 · RL.3.2 · RL.3.3
- Reading stories and poems: word meaning, structure, and point of view
RL.3.4 · RL.3.5 · RL.3.6
- Reading nonfiction: main idea and key details
RI.3.1 · RI.3.2 · RI.3.3
- Reading nonfiction: structure, purpose, and reasons
RI.3.5 · RI.3.6 · RI.3.8
- Grammar, usage, and punctuation
L.3.1 · L.3.2
- Vocabulary: context clues, word parts, and figurative language
L.3.4 · L.3.5
4Grade 46 skills
- Reading stories: key details, lessons, and characters
RL.4.1 · RL.4.2 · RL.4.3
- Reading stories and poems: word meaning, structure, and point of view
RL.4.4 · RL.4.5 · RL.4.6
- Reading nonfiction: main idea and key details
RI.4.1 · RI.4.2 · RI.4.3
- Reading nonfiction: structure, purpose, and reasons
RI.4.5 · RI.4.6 · RI.4.8
- Grammar, usage, and punctuation
L.4.1 · L.4.2
- Vocabulary: context clues, word parts, and figurative language
L.4.4 · L.4.5
5Grade 56 skills
- Reading stories: key details, lessons, and characters
RL.5.1 · RL.5.2 · RL.5.3
- Reading stories and poems: word meaning, structure, and point of view
RL.5.4 · RL.5.5 · RL.5.6
- Reading nonfiction: main idea and key details
RI.5.1 · RI.5.2 · RI.5.3
- Reading nonfiction: structure, purpose, and reasons
RI.5.5 · RI.5.6 · RI.5.8
- Grammar, usage, and punctuation
L.5.1 · L.5.2
- Vocabulary: context clues, word parts, and figurative language
L.5.4 · L.5.5
6Grade 66 skills
- Reading stories: key ideas, theme, and evidence
RL.6.1 · RL.6.2 · RL.6.3
- Reading stories and poems: word choice, tone, and point of view
RL.6.4 · RL.6.5 · RL.6.6
- Reading nonfiction: central idea and key details
RI.6.1 · RI.6.2 · RI.6.3
- Reading nonfiction: structure, purpose, and arguments
RI.6.5 · RI.6.6 · RI.6.8
- Grammar, usage, and punctuation
L.6.1 · L.6.2
- Vocabulary: context clues, word parts, and figurative language
L.6.4 · L.6.5
7Grade 76 skills
- Reading stories: key ideas, theme, and evidence
RL.7.1 · RL.7.2 · RL.7.3
- Reading stories and poems: word choice, tone, and point of view
RL.7.4 · RL.7.5 · RL.7.6
- Reading nonfiction: central idea and key details
RI.7.1 · RI.7.2 · RI.7.3
- Reading nonfiction: structure, purpose, and arguments
RI.7.5 · RI.7.6 · RI.7.8
- Grammar, usage, and punctuation
L.7.1 · L.7.2
- Vocabulary: context clues, word parts, and figurative language
L.7.4 · L.7.5
8Grade 86 skills
- Reading stories: key ideas, theme, and evidence
RL.8.1 · RL.8.2 · RL.8.3
- Reading stories and poems: word choice, tone, and point of view
RL.8.4 · RL.8.5 · RL.8.6
- Reading nonfiction: central idea and key details
RI.8.1 · RI.8.2 · RI.8.3
- Reading nonfiction: structure, purpose, and arguments
RI.8.5 · RI.8.6 · RI.8.8
- Grammar, usage, and punctuation
L.8.1 · L.8.2
- Vocabulary: context clues, word parts, and figurative language
L.8.4 · L.8.5
9High school (9)6 skills
- Reading literature: theme, character, and inference
RL.9-10.1 · RL.9-10.2 · RL.9-10.3
- Reading literature: structure, point of view, and figurative language
RL.9-10.4 · RL.9-10.5 · RL.9-10.6
- Reading nonfiction: central idea, evidence, and development
RI.9-10.1 · RI.9-10.2 · RI.9-10.3
- Reading nonfiction: argument, rhetoric, and reasoning
RI.9-10.5 · RI.9-10.6 · RI.9-10.8
- Grammar: parallel structure, phrases, clauses, and punctuation
L.9-10.1 · L.9-10.2
- Vocabulary: context, word parts, connotation, and nuance
L.9-10.4 · L.9-10.5
10High school (10)6 skills
- Reading literature: theme, character, and inference
RL.9-10.1 · RL.9-10.2 · RL.9-10.3
- Reading literature: structure, point of view, and figurative language
RL.9-10.4 · RL.9-10.5 · RL.9-10.6
- Reading nonfiction: central idea, evidence, and development
RI.9-10.1 · RI.9-10.2 · RI.9-10.3
- Reading nonfiction: argument, rhetoric, and reasoning
RI.9-10.5 · RI.9-10.6 · RI.9-10.8
- Grammar: parallel structure, phrases, clauses, and punctuation
L.9-10.1 · L.9-10.2
- Vocabulary: context, word parts, connotation, and nuance
L.9-10.4 · L.9-10.5
11High school (11)6 skills
- Reading literature: themes, complex characters, and ambiguity
RL.11-12.1 · RL.11-12.2 · RL.11-12.3
- Reading literature: structure, satire and irony, and point of view
RL.11-12.4 · RL.11-12.5 · RL.11-12.6
- Reading nonfiction: central ideas, sequences, and evidence
RI.11-12.1 · RI.11-12.2 · RI.11-12.3
- Reading nonfiction: rhetoric, founding documents, and reasoning
RI.11-12.5 · RI.11-12.6 · RI.11-12.8 · RI.11-12.9
- Grammar: changing usage, hyphenation, and syntax for effect
L.11-12.1 · L.11-12.2 · L.11-12.3
- Vocabulary: context, roots, figures of speech, and nuance
L.11-12.4 · L.11-12.5
12High school (12)6 skills
- Reading literature: themes, complex characters, and ambiguity
RL.11-12.1 · RL.11-12.2 · RL.11-12.3
- Reading literature: structure, satire and irony, and point of view
RL.11-12.4 · RL.11-12.5 · RL.11-12.6
- Reading nonfiction: central ideas, sequences, and evidence
RI.11-12.1 · RI.11-12.2 · RI.11-12.3
- Reading nonfiction: rhetoric, founding documents, and reasoning
RI.11-12.5 · RI.11-12.6 · RI.11-12.8 · RI.11-12.9
- Grammar: changing usage, hyphenation, and syntax for effect
L.11-12.1 · L.11-12.2 · L.11-12.3
- Vocabulary: context, roots, figures of speech, and nuance
L.11-12.4 · L.11-12.5
🔬 The Lab
Science
Standards: Next Generation Science Standards (the basis of Colorado's 2020 science standards).
KKindergarten4 skills
- Pushes, pulls, and sunlight
K-PS2-1 · K-PS2-2 · K-PS3-1 · K-PS3-2
- What plants and animals need
K-LS1-1
- Living things change their surroundings
K-ESS2-2 · K-ESS3-1 · K-ESS3-3
- Weather patterns and staying safe
K-ESS2-1 · K-ESS3-2
1Grade 13 skills
- Sound and light
1-PS4-1 · 1-PS4-2 · 1-PS4-3 · 1-PS4-4
- Plant and animal parts, families, and traits
1-LS1-1 · 1-LS1-2 · 1-LS3-1
- Sun, moon, stars, and daylight
1-ESS1-1 · 1-ESS1-2
2Grade 24 skills
- Materials and their properties
2-PS1-1 · 2-PS1-2 · 2-PS1-3 · 2-PS1-4
- Plants, animals, and habitats
2-LS2-1 · 2-LS2-2 · 2-LS4-1
- Land, water, and how Earth changes
2-ESS1-1 · 2-ESS2-1 · 2-ESS2-2 · 2-ESS2-3
- Solving problems by design (grades K–2)
K-2-ETS1-1 · K-2-ETS1-2 · K-2-ETS1-3
3Grade 34 skills
- Forces, motion, and magnets
3-PS2-1 · 3-PS2-2 · 3-PS2-3 · 3-PS2-4
- Life cycles and traits
3-LS1-1 · 3-LS3-1 · 3-LS3-2
- Groups, adaptations, and fossils
3-LS2-1 · 3-LS4-1 · 3-LS4-2 · 3-LS4-3 · 3-LS4-4
- Weather, climate, and hazards
3-ESS2-1 · 3-ESS2-2 · 3-ESS3-1
4Grade 44 skills
- Energy, collisions, and waves
4-PS3-1 · 4-PS3-2 · 4-PS3-3 · 4-PS3-4 · 4-PS4-1 · 4-PS4-3
- Senses, light, and sight
4-LS1-2 · 4-PS4-2
- Body structures for survival
4-LS1-1
- Weathering, erosion, and Earth's features
4-ESS1-1 · 4-ESS2-1 · 4-ESS2-2 · 4-ESS3-1 · 4-ESS3-2
5Grade 54 skills
- Matter and its properties
5-PS1-1 · 5-PS1-2 · 5-PS1-3 · 5-PS1-4
- Gravity and energy from the sun
5-PS2-1 · 5-PS3-1
- Food webs and matter in ecosystems
5-LS1-1 · 5-LS2-1
- Sun, stars, shadows, and Earth's systems
5-ESS1-1 · 5-ESS1-2 · 5-ESS2-1 · 5-ESS2-2
6Grade 65 skills
- Matter and its changes
MS-PS1-1 · MS-PS1-4
- Forces and energy
MS-PS3-3 · MS-PS3-4
- Living things: cells, systems, and heredity
MS-LS1-1 · MS-LS1-2 · MS-LS1-3
- Ecosystems and change over time
MS-LS2-1
- Earth and space
MS-ESS2-4 · MS-ESS2-5 · MS-ESS2-6
7Grade 75 skills
- Matter and its changes
MS-PS1-2 · MS-PS1-5 · MS-PS1-6
- Forces and energy
MS-PS3-1 · MS-PS3-2 · MS-PS3-5
- Living things: cells, systems, and heredity
MS-LS1-4 · MS-LS1-5 · MS-LS1-6 · MS-LS1-7
- Ecosystems and change over time
MS-LS2-2 · MS-LS2-3 · MS-LS2-4 · MS-LS2-5
- Earth and space
MS-ESS2-1 · MS-ESS2-2 · MS-ESS2-3
8Grade 85 skills
- Matter and its changes
MS-PS1-3 · MS-PS1-2
- Forces and energy
MS-PS2-1 · MS-PS2-2 · MS-PS2-3 · MS-PS2-4 · MS-PS2-5 · MS-PS4-1 · MS-PS4-2
- Living things: cells, systems, and heredity
MS-LS3-1 · MS-LS3-2 · MS-LS1-4
- Ecosystems and change over time
MS-LS4-1 · MS-LS4-2 · MS-LS4-4 · MS-LS4-5 · MS-LS4-6
- Earth and space
MS-ESS1-1 · MS-ESS1-2 · MS-ESS1-3 · MS-ESS3-3
9High school (9)5 skills
- Biology: cell structure, function, and homeostasis
HS-LS1-1 · HS-LS1-2 · HS-LS1-3
- Biology: photosynthesis and cellular respiration
HS-LS1-5 · HS-LS1-6 · HS-LS1-7
- Biology: DNA, genetics, and inheritance
HS-LS3-1 · HS-LS3-2 · HS-LS3-3
- Biology: evolution and natural selection
HS-LS4-1 · HS-LS4-2 · HS-LS4-3 · HS-LS4-4 · HS-LS4-5
- Biology: ecosystems and population dynamics
HS-LS2-1 · HS-LS2-2 · HS-LS2-4 · HS-LS2-5 · HS-LS2-6
10High school (10)5 skills
- Chemistry: atomic structure and periodic trends
HS-PS1-1
- Chemistry: bonding and properties of substances
HS-PS1-2 · HS-PS1-3
- Chemistry: chemical reactions and conservation of mass
HS-PS1-2 · HS-PS1-7
- Chemistry: the mole and stoichiometry
HS-PS1-7
- Chemistry: reaction rates and equilibrium
HS-PS1-5 · HS-PS1-6
11High school (11)5 skills
- Physics: motion and Newton's second law
HS-PS2-1
- Physics: momentum and collisions
HS-PS2-2 · HS-PS2-3
- Physics: gravitational and electric forces
HS-PS2-4
- Physics: conservation of energy
HS-PS3-1 · HS-PS3-2 · HS-PS3-3
- Physics: waves and electromagnetic radiation
HS-PS4-1 · HS-PS4-3 · HS-PS4-4
12High school (12)5 skills
- Earth and space: stars and the universe
HS-ESS1-1 · HS-ESS1-2 · HS-ESS1-3
- Earth and space: Earth's history and plate tectonics
HS-ESS1-5 · HS-ESS2-1 · HS-ESS2-3
- Earth and space: Earth's systems and the water and carbon cycles
HS-ESS2-2 · HS-ESS2-5 · HS-ESS2-6
- Earth and space: weather, climate, and evidence of climate change
HS-ESS2-4 · HS-ESS3-5
- Earth and space: resources, hazards, and sustainability
HS-ESS3-1 · HS-ESS3-2 · HS-ESS3-3 · HS-ESS3-4
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🌎 Map Room
Social studies
Standards: Colorado Academic Standards for Social Studies.
KKindergarten4 skills＋
CO.SS.K.1.1 · CO.SS.K.1.2
CO.SS.K.2.1 · CO.SS.K.2.2
CO.SS.K.3.1 · CO.SS.K.5.1
CO.SS.K.4.1 · CO.SS.K.4.2
1Grade 14 skills＋
CO.SS.1.1.1 · CO.SS.1.1.2
CO.SS.1.2.1 · CO.SS.1.2.2
CO.SS.1.3.1 · CO.SS.1.5.1
CO.SS.1.4.1 · CO.SS.1.4.2
2Grade 24 skills＋
CO.SS.2.1.1 · CO.SS.2.1.2
CO.SS.2.2.1 · CO.SS.2.2.2
CO.SS.2.3.1 · CO.SS.2.5.1
CO.SS.2.4.1 · CO.SS.2.4.2
3Grade 34 skills＋
CO.SS.3.1.1 · CO.SS.3.1.2
CO.SS.3.2.1 · CO.SS.3.2.2
CO.SS.3.3.1 · CO.SS.3.5.1
CO.SS.3.4.1 · CO.SS.3.4.2
4Grade 44 skills＋
CO.SS.4.1.1 · CO.SS.4.1.2
CO.SS.4.2.1 · CO.SS.4.2.2
CO.SS.4.3.1 · CO.SS.4.5.1
CO.SS.4.4.1 · CO.SS.4.4.2
5Grade 54 skills＋
CO.SS.5.1.1 · CO.SS.5.1.2
CO.SS.5.2.1 · CO.SS.5.2.2
CO.SS.5.3.1 · CO.SS.5.5.1
CO.SS.5.4.1 · CO.SS.5.4.2
6Grade 64 skills＋
CO.SS.6.1.1 · CO.SS.6.1.2
CO.SS.6.2.1 · CO.SS.6.2.2
CO.SS.6.3.1 · CO.SS.6.3.2
CO.SS.6.4.1 · CO.SS.6.4.2
7Grade 74 skills＋
CO.SS.7.1.1 · CO.SS.7.1.2
CO.SS.7.2.1 · CO.SS.7.2.2
CO.SS.7.3.1 · CO.SS.7.3.2
CO.SS.7.4.1 · CO.SS.7.4.2
8Grade 84 skills＋
CO.SS.8.1.1 · CO.SS.8.1.2
CO.SS.8.2.1 · CO.SS.8.2.2
CO.SS.8.3.1 · CO.SS.8.3.2
CO.SS.8.4.1 · CO.SS.8.4.2
9High school (9)4 skills＋
C3.D2.Geo.1.9-12 · C3.D2.Geo.3.9-12
C3.D2.Geo.4.9-12 · C3.D2.Geo.5.9-12
C3.D2.Geo.7.9-12 · C3.D2.Geo.8.9-12
C3.D2.Geo.2.9-12 · C3.D2.Geo.11.9-12
10High school (10)4 skills＋
C3.D2.His.1.9-12 · C3.D2.His.14.9-12
C3.D2.His.2.9-12 · C3.D2.His.14.9-12
C3.D2.His.3.9-12 · C3.D2.His.15.9-12
C3.D2.His.1.9-12 · C3.D2.His.16.9-12
11High school (11)4 skills＋
C3.D2.His.1.9-12 · C3.D2.His.5.9-12
C3.D2.His.14.9-12 · C3.D2.His.16.9-12
C3.D2.His.2.9-12 · C3.D2.His.14.9-12
C3.D2.His.3.9-12 · C3.D2.His.15.9-12
12High school (12)8 skills＋
C3.D2.Civ.4.9-12 · C3.D2.Civ.8.9-12
C3.D2.Civ.3.9-12 · C3.D2.Civ.5.9-12
C3.D2.Civ.9.9-12 · C3.D2.Civ.14.9-12
C3.D2.Civ.2.9-12 · C3.D2.Civ.6.9-12
C3.D2.Eco.1.9-12 · C3.D2.Eco.2.9-12
C3.D2.Eco.4.9-12 · C3.D2.Eco.3.9-12
C3.D2.Eco.11.9-12 · C3.D2.Eco.12.9-12
C3.D2.Eco.1.9-12 · C3.D2.Eco.2.9-12