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Addition

  • Addition facts - sums to 10 (First grade)
  • Related addition facts (Second grade)
  • Add three or more integers (Sixth grade)
  • ...and 241 more skills!
See all addition skills

Algebra

  • Solve equations involving like terms (Seventh grade)
  • Graph solutions to compound inequalities (Algebra)
  • Square and cube roots of monomials (Eighth grade)
  • ...and 282 more skills!
See all algebra skills

Comparing

  • Fewer, equal, and more (Kindergarten)
  • Fewer and more - with charts (Kindergarten)
  • Which number is greatest/least? (Third grade)
  • ...and 144 more skills!
See all comparison skills

Counting

  • Count shapes (up to 5) (Pre-K)
  • Count to 10 (Kindergarten)
  • Counting patterns - up to 100 (Second grade)
  • ...and 93 more skills!
See all counting skills

Decimals

  • Equivalent decimals (Fourth grade)
  • Compare decimal numbers (Fourth grade)
  • Estimate sums, differences, and products of decimals (Seventh grade)
  • ...and 147 more skills!
See all decimal skills

Division

  • Division facts to 12 (Fourth grade)
  • Divide numbers ending in zeroes: word problems (Fifth grade)
  • Divide money amounts: word problems (Sixth grade)
  • ...and 115 more skills!
See all division skills

Estimation

  • Estimate products (Fourth grade)
  • Estimate products: word problems (Fourth grade)
  • Estimate cube roots (Eighth grade)
  • ...and 84 more skills!
See all estimation skills

Exponents and roots

  • Evaluate exponents (Sixth grade)
  • Understanding negative exponents (Sixth grade)
  • Evaluate negative exponents (Sixth grade)
  • ...and 83 more skills!
See all exponent and root skills

Fractions

  • Equal parts (Kindergarten)
  • Divide fractions and mixed numbers: word problems (Fifth grade)
  • Simplify complex fractions (Algebra)
  • ...and 239 more skills!
See all fraction skills

Functions and equations

  • Multiplication input/output tables (Third grade)
  • Does (x, y) satisfy the equation? (Seventh grade)
  • Evaluate a nonlinear function (Eighth grade)
  • ...and 189 more skills!
See all function and equation skills

Geometry

  • Perimeter (Fourth grade)
  • Compare area and perimeter of two figures (Sixth grade)
  • Pythagorean theorem: word problems (Seventh grade)
  • ...and 258 more skills!
See all geometry skills

Graphs

  • Interpret line plots (Third grade)
  • Interpret box-and-whisker plots (Seventh grade)
  • Scatter plots: line of best fit (Algebra)
  • ...and 237 more skills!
See all graphing skills

Integers

  • Number lines with integers (Sixth grade)
  • Add 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)
  • Compare and convert customary units of volume (Third grade)
  • Convert mixed customary units (Fifth grade)
  • ...and 94 more skills!
See all measurement skills

Mixed operations

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

Money and consumer math

  • Count pennies, nickels, dimes, and quarters (First grade)
  • Add and subtract money amounts (Third grade)
  • Divide money amounts (Third grade)
  • ...and 108 more skills!
See all money and consumer math skills

Multiplication

  • Multiplication word problems - facts to 12 (Third grade)
  • Multiply two decimals (Fifth grade)
  • Multiply mixed numbers (Seventh grade)
  • ...and 160 more skills!
See all multiplication skills

Number theory

  • Identifying even and odd numbers (First grade)
  • Divisibility rules (Fourth grade)
  • GCF and LCM: word problems (Sixth grade)
  • ...and 47 more skills!
See all number-theory skills

Patterns

  • Recognize patterns (First grade)
  • Growing patterns (Second grade)
  • Numeric patterns: word problems (Fourth grade)
  • ...and 67 more skills!
See all pattern skills

Percents

  • Percent of change: word problems (Seventh grade)
  • Find the percent: tax, discount, and more (Seventh grade)
  • Percent error (Algebra)
  • ...and 57 more skills!
See all percent skills

Place values

  • Convert between place values (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

  • Interpret charts to find mean, median, mode, and range (Third grade)
  • Compound events - find the number of outcomes by counting (Sixth grade)
  • Variance and standard deviation (Algebra)
  • ...and 80 more skills!
See all probability and statistics skills

Properties

  • Properties of multiplication (Third grade)
  • Distributive property (Seventh grade)
  • Matrix operation rules (Algebra)
  • ...and 53 more skills!
See all property skills

Ratios and proportions

  • Do the ratios form a proportion? (Seventh grade)
  • Do the ratios form a proportion: word problems (Seventh grade)
  • Scale drawings and scale factors (Eighth grade)
  • ...and 59 more skills!
See all ratio and proportion skills

Subtraction

  • Subtract with pictures - numbers up to 10 (Kindergarten)
  • Subtract multiples of 10 (Second grade)
  • Subtract numbers up to millions (Fourth grade)
  • ...and 205 more skills!
See all subtraction skills

Time

  • A.M. and P.M. (Kindergarten)
  • Time lines (Third grade)
  • Elapsed time word problems (Seventh grade)
  • ...and 60 more skills!
See all time skills

Word problems

  • Guess-and-check word problems (Sixth grade)
  • Divide fractions and mixed numbers: word problems (Sixth grade)
  • Pythagorean theorem: word problems (Seventh 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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