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Addition

  • Addition with pictures - sums up to 10 (Kindergarten)
  • Add multiples of 100 (Second grade)
  • Add decimal numbers (Fourth grade)
  • ...and 241 more skills!
See all addition skills

Algebra

  • Solve one-step linear equations (Seventh grade)
  • Solve two-step linear equations (Seventh grade)
  • Solve equations involving like terms (Seventh grade)
  • ...and 281 more skills!
See all algebra skills

Comparing

  • Compare fractions (Third grade)
  • Compare numbers up to billions (Fourth grade)
  • Put decimal numbers in order (Fourth grade)
  • ...and 144 more skills!
See all comparison skills

Counting

  • Count to 10 (Kindergarten)
  • Count to 30 (Kindergarten)
  • Counting patterns - up to 100 (Second grade)
  • ...and 93 more skills!
See all counting skills

Decimals

  • Put decimal numbers in order (Fourth grade)
  • Convert fractions to decimals (Fifth grade)
  • Convert decimals to fractions (Fifth grade)
  • ...and 147 more skills!
See all decimal skills

Division

  • Divisibility rules (Fourth grade)
  • Divide numbers ending in zeroes (Fifth grade)
  • Divide fractions and mixed numbers: word problems (Fifth grade)
  • ...and 115 more skills!
See all division skills

Estimation

  • Estimate differences: word problems (Fourth grade)
  • Estimate sums, differences, products, and quotients: word problems (Fourth grade)
  • Estimate sums and differences of mixed numbers (Fifth grade)
  • ...and 84 more skills!
See all estimation skills

Exponents and roots

  • Positive and negative square roots (Eighth grade)
  • Cube roots of perfect cubes (Eighth grade)
  • Estimate cube roots (Eighth grade)
  • ...and 83 more skills!
See all exponent and root skills

Fractions

  • Compare fractions (Third grade)
  • Patterns of equivalent fractions (Fourth grade)
  • Divide fractions and mixed numbers (Fifth grade)
  • ...and 239 more skills!
See all fraction skills

Functions and equations

  • Subtraction input/output tables - up to three digits (Second grade)
  • Identities and equations with no solutions (Algebra)
  • Evaluate a radical function (Algebra)
  • ...and 188 more skills!
See all function and equation skills

Geometry

  • Identify 2-dimensional shapes (First grade)
  • Triangles: acute, right, and obtuse (Third grade)
  • Nets of 3-dimensional figures (Fourth grade)
  • ...and 258 more skills!
See all geometry skills

Graphs

  • Create line plots (Third grade)
  • Scatter plots (Seventh grade)
  • Scatter plots: line of best fit (Algebra)
  • ...and 236 more skills!
See all graphing skills

Integers

  • Number lines with integers (Sixth grade)
  • Subtract integers - using counters (Sixth grade)
  • Multiply integers (Sixth grade)
  • ...and 52 more skills!
See all integers skills

Measurement

  • Which customary unit of length is appropriate? (Second grade)
  • Conversion tables - metric units (Third grade)
  • Convert between customary and metric systems (Eighth grade)
  • ...and 94 more skills!
See all measurement skills

Mixed operations

  • Addition, subtraction, multiplication, and division word problems (Third grade)
  • Add, subtract, multiply, and divide integers (Sixth grade)
  • Simplify expressions involving decimals (Seventh grade)
  • ...and 199 more skills!
See all mixed-operations skills

Money and consumer math

  • Count coins and bills - up to $5 bill (Third grade)
  • Multiply money amounts (Third grade)
  • Percent of a number: tax, discount, and more (Seventh grade)
  • ...and 108 more skills!
See all money and consumer math skills

Multiplication

  • Multiply numbers ending in zeroes (Fourth grade)
  • Multiply two decimals using grids (Fifth grade)
  • Multiply two fractions (Fifth grade)
  • ...and 160 more skills!
See all multiplication skills

Number theory

  • Greatest common factor (Fifth grade)
  • Least common multiple (Fifth grade)
  • Classify numbers (Eighth grade)
  • ...and 47 more skills!
See all number-theory skills

Patterns

  • Geometric growth patterns (Fourth grade)
  • Increasing growth patterns (Fourth grade)
  • Numeric patterns: word problems (Fourth grade)
  • ...and 67 more skills!
See all pattern skills

Percents

  • Compare percents and fractions: word problems (Sixth grade)
  • Percents of numbers: word problems (Sixth grade)
  • Percent of a number: tax, discount, and more (Seventh grade)
  • ...and 57 more skills!
See all percent skills

Place values

  • Place value names (Third grade)
  • Convert between standard and expanded form (Third grade)
  • Place values in decimal numbers (Fifth grade)
  • ...and 45 more skills!
See all place-value skills

Probability and statistics

  • Probability of opposite, mutually exclusive, and overlapping events (Sixth grade)
  • Mean, median, mode, and range: find the missing number (Seventh grade)
  • Quartiles (Eighth grade)
  • ...and 80 more skills!
See all probability and statistics skills

Properties

  • Properties of addition (Third grade)
  • Distributive property (Seventh grade)
  • Simplify variable expressions using properties (Eighth grade)
  • ...and 53 more skills!
See all property skills

Ratios and proportions

  • Determine the ratio (Fifth grade)
  • Ratios: word problems (Fifth grade)
  • Unit rates and equivalent rates (Sixth grade)
  • ...and 59 more skills!
See all ratio and proportion skills

Subtraction

  • Subtract numbers up to millions (Fourth grade)
  • Subtraction patterns over increasing place values (Fourth grade)
  • Choose numbers with a particular difference (Fourth grade)
  • ...and 205 more skills!
See all subtraction skills

Time

  • Match clocks and times (First grade)
  • Time patterns (Second grade)
  • Transportation schedules (Fourth grade)
  • ...and 60 more skills!
See all time skills

Word problems

  • Divide by 2-digit numbers: word problems (Fourth grade)
  • Add and subtract mixed numbers with like and unlike denominators: word problems (Fourth grade)
  • Percent of a number: word problems (Fifth grade)
  • ...and 239 more skills!
See all word-problem skills
Grades Topics
Addition
Algebra
Comparing
Counting
Decimals
Division
Estimation
Exponents and roots
Fractions
Functions and equations
Geometry
Graphs
Integers
Measurement
Mixed operations
Money and consumer math
Multiplication
Number theory
Patterns
Percents
Place values
Probability and statistics
Properties
Ratios and proportions
Subtraction
Time
Word problems
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