PreschoolMath
Number & operations
THE LEARNING LIBRARY
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About the learning levels
Original practice from preschool through Grade 12. Coverage varies by grade and subject; these selected activities are not a complete curriculum or a placement assessment.
Math
113 skills
Reading & language
68 skills
Science
30 skills
Social studies
28 skills
Introductory Spanish
12 skills
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KindergartenMath
Number & operations
Track and count to ten
KindergartenMath
Number & operations
Compare numbers to twenty
KindergartenMath
Number & operations
Add within ten
KindergartenMath
Number & operations
Subtract within ten
Grade 1Math
Number & operations
Tens and ones
Grade 2Math
Number & operations
Add and subtract to one hundred
Grade 2Math
Number & operations
Build equal groups
Grade 3Math
Number & operations
Hundreds, tens and ones
Grade 3Math
Number & operations
Connect multiplication facts
Grade 3Math
Number & operations
Use multiplication to divide
Grade 4Math
Number & operations
Place value through one million
Grade 4Math
Number & operations
Add and subtract larger numbers
Grade 4Math
Number & operations
Multiply using place value
Grade 4Math
Number & operations
Divide and explain the remainder
Grade 4Math
Number & operations
Recognize equivalent fractions
PreschoolReading & language
Reading foundations
Match a letter’s written forms
KindergartenReading & language
Reading foundations
Notice a word’s first written letter
KindergartenReading & language
Reading foundations
Blend familiar short-vowel words
Grade 1Reading & language
Reading foundations
Keep both consonants in a blend
Grade 1Reading & language
Comprehension & vocabulary
Find meaning in a short sentence
Grade 2Reading & language
Reading foundations
Read a taught vowel-team pattern
Grade 2Reading & language
Reading foundations
Use familiar word parts
Grade 3Reading & language
Comprehension & vocabulary
Use the nearby words as clues
Grade 3Reading & language
Comprehension & vocabulary
Find a detail in a short passage
Grade 4Reading & language
Comprehension & vocabulary
Infer and point to the evidence
PreschoolMath
Counting
Count up to three
PreschoolMath
Counting
Compare small numbers
KindergartenMath
Counting
Count a set up to twenty
KindergartenMath
Number patterns
Find the next number
KindergartenMath
Number patterns
Count backward
KindergartenMath
Addition & subtraction
Join small sets
KindergartenMath
Addition & subtraction
Take away within five
Grade 1Math
Addition & subtraction
Find a missing addend
Grade 1Math
Addition & subtraction
Add within twenty
Grade 1Math
Addition & subtraction
Subtract within twenty
Grade 1Math
Word problems
Solve joining stories
Grade 1Math
Word problems
Solve take-away stories
Grade 1Math
Number patterns
Count in twos
Grade 1Math
Number patterns
Count in fives
Grade 2Math
Number patterns
Identify even numbers
Grade 2Math
Number patterns
Identify odd numbers
Grade 1Math
Place value
Build tens and ones
Grade 1Math
Place value
Find the value of a tens digit
Grade 1Math
Place value
Compare two-digit numbers
Grade 2Math
Addition & subtraction
Add two-digit numbers
Grade 2Math
Addition & subtraction
Subtract two-digit numbers
Grade 2Math
Number patterns
Count in tens
Grade 2Math
Place value
Build hundreds and ones
Grade 2Math
Place value
Find a hundreds digit’s value
Grade 2Math
Place value
Compare three-digit numbers
Grade 3Math
Place value
Round to the nearest ten
Grade 2Math
Money & time
Count US coins
Grade 2Math
Money & time
Find a finish time
Grade 3Math
Measurement
Convert centimeters to millimeters
Grade 3Math
Multiplication & division
Multiply through ten
Grade 3Math
Multiplication & division
Find a missing factor
Grade 3Math
Word problems
Solve equal-row stories
Grade 3Math
Word problems
Share equally in stories
Grade 3Math
Place value
Round to the nearest hundred
Grade 3Math
Geometry & measurement
Find rectangle area
Grade 3Math
Geometry & measurement
Find rectangle perimeter
Grade 2Math
Grade 3Math
Fractions
Compare like-denominator fractions
Grade 3Math
Money & time
Add longer time intervals
Grade 4Math
Measurement
Convert meters to centimeters
Grade 4Math
Measurement
Convert kilograms to grams
Grade 4Math
Multiplication & division
Multiply two-digit numbers
Grade 4Math
Multiplication & division
Divide larger equal groups
Grade 4Math
Fractions
Add like-denominator fractions
Grade 4Math
Fractions
Subtract like-denominator fractions
Grade 4Math
Fractions
Find a fraction of a set
Grade 4Math
Fractions
Build equivalent fractions
Grade 4Math
Decimals
Add decimal tenths
Grade 5Math
Decimals
Add decimal hundredths
Grade 5Math
Decimals
Subtract decimal hundredths
Grade 5Math
Fractions
Write fractions in simplest form
Grade 5Math
Geometry & measurement
Find rectangular-prism volume
Grade 6Math
Geometry & measurement
Find triangle area
Grade 6Math
Ratios & percentages
Compare by a unit price
Grade 6Math
Ratios & percentages
Scale a recipe ratio
Grade 6Math
Ratios & percentages
Find a familiar percent
Grade 6Math
Integers
Add signed integers
Grade 7Math
Integers
Subtract signed integers
Grade 6Math
Statistics & probability
Find an arithmetic mean
Grade 6Math
Statistics & probability
Find the median
Grade 7Math
Statistics & probability
Find a simple probability
Grade 6Math
Expressions & equations
Evaluate whole-number powers
Grade 6Math
Expressions & equations
Substitute in a linear expression
Grade 7Math
Expressions & equations
Solve two-step equations
Grade 7Math
Geometry & measurement
Complete a straight angle
Grade 8Math
Linear relationships
Find slope from two points
Grade 8Math
Linear relationships
Evaluate a linear function
Grade 8Math
Geometry & measurement
Find a right-triangle hypotenuse
Grade 9Math
Algebra
Solve a factored quadratic
Grade 9Math
Grade 10Math
Grade 11Math
Functions
Compose two functions
Grade 12Math
Introductory calculus
Differentiate a power function
KindergartenReading & language
Sounds & words
Find rhyming words
KindergartenReading & language
Letters & spelling
Find the last written letter
KindergartenReading & language
Letters & spelling
Find a middle vowel letter
Grade 1Reading & language
Word building
Join compound words
Grade 1Reading & language
Grammar & word forms
Make regular plural nouns
Grade 2Reading & language
Grammar & word forms
Recognize irregular plurals
Grade 1Reading & language
Grammar & word forms
Use regular past-tense verbs
Grade 2Reading & language
Grammar & word forms
Use irregular past-tense verbs
Grade 1Reading & language
Grammar
Find a noun in a sentence
Grade 1Reading & language
Grammar
Find an action verb
Grade 2Reading & language
Grammar
Find a describing word
Grade 2Reading & language
Vocabulary
Match similar meanings
Grade 2Reading & language
Vocabulary
Match opposite meanings
Grade 2Reading & language
Grammar & word forms
Read common contractions
Grade 2Reading & language
Comprehension
Follow an event sequence
Grade 3Reading & language
Comprehension
Link a cause with its effect
Grade 3Reading & language
Comprehension
Find a short text’s main idea
Grade 4Reading & language
Writing conventions
Punctuate direct speech
Grade 5Reading & language
Evidence & reasoning
Choose relevant supporting evidence
Grade 6Reading & language
Language & meaning
Interpret figurative language
Grade 7Reading & language
Text analysis
Identify a text’s purpose
Grade 8Reading & language
Arguments
Locate an argument’s claim
Grade 9Reading & language
Research literacy
Choose a source suited to a question
Grade 10Reading & language
Arguments
Notice gaps in an argument
Grade 11Reading & language
Evidence & reasoning
Qualify a claim responsibly
Grade 12Reading & language
Research & synthesis
Synthesize two short accounts
PreschoolScience
KindergartenScience
Materials
Identify material properties
KindergartenScience
Living things
Recognize living things
Grade 1Science
Living things
Read evidence about plant growth
Grade 1Science
Living things
Recognize animals’ basic resources
Grade 1Science
Grade 2Science
Matter
Name changes of state
Grade 2Science
Grade 2Science
Living things
Find habitat evidence
Grade 3Science
Grade 3Science
Scientific inquiry
Plan a fair comparison
Grade 4Science
Ecosystems
Read a food chain
Grade 4Science
Earth systems
Describe water-cycle changes
Grade 4Science
Electricity
Reason about a simple circuit
KindergartenSocial studies
Communities
Connect community jobs with tasks
Grade 1Social studies
Communities
Distinguish basic needs from optional wants
Grade 2Social studies
Grade 2Social studies
Maps
Read a map key
Grade 2Social studies
History skills
Place events on a timeline
Grade 3Social studies
History skills
Choose a source for a history question
Grade 3Social studies
Grade 2Social studies
Economics
Distinguish goods from services
Grade 4Social studies
Economics
Identify an opportunity cost
Grade 3Social studies
Geography
Use land and water feature words
Grade 4Social studies
Grade 4Social studies
History skills
Compare accounts of one event
KindergartenIntroductory Spanish
KindergartenIntroductory Spanish
Grade 1Introductory Spanish
Grade 1Introductory Spanish
Everyday phrases
Recognize useful Spanish greetings
Grade 2Introductory Spanish
Everyday nouns
Read Spanish classroom nouns
Grade 2Introductory Spanish
Everyday nouns
Read Spanish animal nouns
Grade 2Introductory Spanish
Grade 3Introductory Spanish
Everyday nouns
Read Spanish food words
Grade 3Introductory Spanish
Everyday nouns
Read Spanish body-part words
Grade 3Introductory Spanish
Places
Read Spanish place words
Grade 4Introductory Spanish
Grade 4Introductory Spanish
Descriptions
Recognize Spanish describing words
Grade 5Math
Expressions & equations
Use the order of operations
Grade 5Math
Grade 5Math
Fractions
Multiply two fractions
Grade 6Math
Grade 6Math
Number & operations
Find the greatest common factor
Grade 6Math
Number & operations
Interpret absolute value as distance
Grade 7Math
Ratios, rates & percents
Calculate simple interest
Grade 7Math
Ratios, rates & percents
Use a scale drawing
Grade 7Math
Ratios, rates & percents
Find a percent increase
Grade 8Math
Number & operations
Find a perfect cube root
Grade 8Math
Number & operations
Multiply in scientific notation
Grade 8Math
Grade 9Math
Expressions & equations
Solve a linear system by elimination
Grade 9Math
Functions
Read a quadratic’s vertex form
Grade 9Math
Expressions & equations
Multiply two monomials
Grade 10Math
Geometry
Find a circle’s exact area
Grade 10Math
Functions
Sum an arithmetic sequence
Grade 10Math
Geometry
Use a right-triangle sine ratio
Grade 11Math
Probability & statistics
Count unordered selections
Grade 11Math
Functions
Model repeated percent growth
Grade 11Math
Functions
Evaluate an inverse linear function
Grade 12Math
Introductory calculus
Integrate a quadratic over an interval
Grade 12Math
Introductory calculus
Evaluate a polynomial limit
Grade 12Math
Probability & statistics
Find a binomial coin-toss probability
Grade 5Science
Ecosystems
Trace energy through a food web
Grade 5Science
Grade 5Social studies
Historical evidence
Distinguish firsthand and later accounts
Grade 5Social studies
Geography
Read latitude and longitude
Grade 6Science
Matter models
Use a particle model of matter
Grade 6Science
Forces & motion
Combine forces along a line
Grade 6Social studies
Geography & data
Choose maps for a particular question
Grade 6Social studies
Grade 7Science
Grade 7Science
Ecology & evidence
Interpret a habitat sample
Grade 7Social studies
Historical reasoning
Separate sequence from historical cause
Grade 7Social studies
Economics & civic choices
Compare choices within a public budget
Grade 8Science
Chemical change
Count atoms in chemical equations
Grade 8Science
Grade 8Social studies
Historical evidence
Check independence between historical records
Grade 8Social studies
Population geography
Account for population change
Grade 9Science
Energy systems
Account for useful and transferred energy
Grade 9Science
Inheritance
Use a simple inheritance model
Grade 9Social studies
Economic models
Read a simple supply-and-demand table
Grade 9Social studies
Civic reasoning
Match civic claims with needed evidence
Grade 10Science
Chemistry
Use ratios in balanced reactions
Grade 10Science
Thermal physics
Use a simple thermal-energy model
Grade 10Social studies
Population data
Compare population rates fairly
Grade 10Social studies
Historical inquiry
Evaluate a historical interpretation's limits
Grade 11Science
Chemical investigations
Interpret evidence about reaction rates
Grade 11Science
Molecular biology
Trace a stated gene-expression model
Grade 11Social studies
Economic reasoning
Identify costs and benefits outside a transaction
Grade 11Social studies
Civic institutions
Apply an invented institution's rules
Grade 12Science
Measurement & evidence
Interpret measurement uncertainty
Grade 12Science
Earth systems models
Track a simplified environmental stock
Grade 12Social studies
Economic data
Compare economic indicators with context
Grade 12Social studies
Historical analysis
Build a qualified historical synthesis
Grade 5Reading & language
Comprehension
Summarize a problem and solution
Grade 5Reading & language
Language & cohesion
Trace a pronoun's reference
Grade 5Reading & language
Literary comprehension
Infer a character's motive
Grade 5Reading & language
Vocabulary
Choose a word's meaning in context
Grade 6Reading & language
Text structure
Identify a paragraph's structure
Grade 6Reading & language
Writing & cohesion
Connect ideas with logical transitions
Grade 6Reading & language
Literary comprehension
Infer a setting from several clues
Grade 6Reading & language
Vocabulary & style
Explain a precise word choice
Grade 7Reading & language
Evidence & reasoning
Select evidence that addresses a claim
Grade 7Reading & language
Literary analysis
Trace a narrator's perspective
Grade 7Reading & language
Writing & revision
Combine ideas without changing meaning
Grade 7Reading & language
Summary & attribution
Write a neutral, accurate summary
Grade 8Reading & language
Arguments
Distinguish parts of an argument
Grade 8Reading & language
Arguments
Respond fairly to a counterargument
Grade 8Reading & language
Sources & evidence
Identify what two accounts corroborate
Grade 8Reading & language
Style & tone
Infer tone from specific language
Grade 9Reading & language
Close reading
Read a contrast between words and actions
Grade 9Reading & language
Text structure
Explain the effect of a text's arrangement
Grade 9Reading & language
Poetry & close reading
Connect imagery with its effect
Grade 9Reading & language
Evidence & interpretation
Separate observation from interpretation
Grade 10Reading & language
Close reading
Preserve scope in a faithful paraphrase
Grade 10Reading & language
Text analysis
Explain what a contrast contributes
Grade 10Reading & language
Revision & grammar
Attach an introductory modifier clearly
Grade 10Reading & language
Writing conventions
Integrate an exact quotation fragment
Grade 11Reading & language
Argument structure
Distinguish a concession from a rebuttal
Grade 11Reading & language
Language & logic
Read necessary and sufficient conditions
Grade 11Reading & language
Research & evidence
Compare what conflicting-looking reports count
Grade 11Reading & language
Writing & style
Maintain parallel grammatical forms
Grade 12Reading & language
Logic & close reading
Distinguish necessary and sufficient conditions
Grade 12Reading & language
Research literacy
Compare the limits of research methods
Grade 12Reading & language
Research & synthesis
Choose a faithful research synthesis
Grade 12Reading & language
Reasoning & comparison