# Sixth grade math

Here is a list of all of the math skills students learn in sixth grade! These skills are organized into categories, and you can move your mouse over any skill name to preview the skill. To start practicing, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!

## Whole numbers

## Multiplication

- B.1 Multiply whole numbers
- B.2 Multiply whole numbers: word problems
- B.3 Multiply whole numbers with four or more digits
- B.4 Multiply numbers ending in zeroes
- B.5 Multiply numbers ending in zeroes: word problems
- B.6 Multiply three or more numbers
- B.7 Multiply three or more numbers: word problems
- B.8 Estimate products

## Division

## Exponents and square roots

- D.1 Write multiplication expressions using exponents
- D.2 Evaluate exponents
- D.3 Find the missing exponent or base
- D.4 Exponents with decimal bases
- D.5 Exponents with fractional bases
- D.6 Understanding negative exponents
- D.7 Evaluate negative exponents
- D.8 Advanced exponents
- D.9 Half-life and population doubling
- D.10 Square roots of perfect squares
- D.11 Estimate square roots

## Number theory

## Decimals

## Add and subtract decimals

## Multiply and divide decimals

- H.1 Estimate products of decimal numbers
- H.2 Multiply decimals
- H.3 Inequalities with decimal multiplication
- H.4 Divide decimals by whole numbers
- H.5 Divide decimals by whole numbers: word problems
- H.6 Multiply and divide decimals by powers of ten
- H.7 Division with decimal quotients
- H.8 Inequalities with decimal division

## Fractions and mixed numbers

- I.1 Fractions and mixed numbers review
- I.2 Understanding fractions: word problems
- I.3 Equivalent fractions review
- I.4 Write fractions in lowest terms
- I.5 Fractions: word problems
- I.6 Least common denominator
- I.7 Compare fractions with like and unlike denominators
- I.8 Compare fractions: word problems
- I.9 Convert between improper fractions and mixed numbers
- I.10 Convert between decimals and fractions
- I.11 Convert between decimals and mixed numbers
- I.12 Put a mix of decimals, fractions, and mixed numbers in order

## Add and subtract fractions

- J.1 Add and subtract fractions with like denominators
- J.2 Add and subtract fractions with like denominators: word problems
- J.3 Add and subtract fractions with unlike denominators
- J.4 Add and subtract fractions with unlike denominators: word problems
- J.5 Inequalities with addition and subtraction of like and unlike fractions
- J.6 Add and subtract mixed numbers
- J.7 Add and subtract mixed numbers: word problems
- J.8 Estimate sums and differences of mixed numbers
- J.9 Maps with fractional distances

## Multiply fractions

- K.1 Fractions of whole numbers I
- K.2 Fractions of whole numbers II
- K.3 Fractions of a number: word problems
- K.4 Estimate products of fractions and whole numbers
- K.5 Multiply two fractions using models
- K.6 Multiply two fractions
- K.7 Multiply fractions: word problems
- K.8 Multiply three or more fractions and whole numbers
- K.9 Estimate products of fractions, whole numbers, and mixed numbers
- K.10 Multiply mixed numbers and whole numbers
- K.11 Multiply mixed numbers
- K.12 Multiply mixed numbers: word problems
- K.13 Multiply three or more mixed numbers, fractions, and/or whole numbers

## Divide fractions

- L.1 Divide whole numbers by unit fractions using models
- L.2 Reciprocals
- L.3 Divide whole numbers and unit fractions
- L.4 Divide fractions by whole numbers in recipes
- L.5 Divide fractions
- L.6 Estimate quotients when dividing mixed numbers
- L.7 Divide fractions and mixed numbers
- L.8 Divide fractions and mixed numbers: word problems

## Operations with integers

- N.1 Add integers using counters
- N.2 Add integers
- N.3 Subtract integers using counters
- N.4 Subtract integers
- N.5 Add and subtract integers: find the sign
- N.6 Add and subtract integers: input/output tables
- N.7 Add three or more integers
- N.8 Multiply integers: find the sign
- N.9 Multiply integers
- N.10 Divide integers: find the sign
- N.11 Divide integers

## Mixed operations

- O.1 Add, subtract, multiply, or divide two whole numbers
- O.2 Add, subtract, multiply, or divide two whole numbers: word problems
- O.3 Evaluate numerical expressions involving whole numbers
- O.4 Add, subtract, multiply, or divide two decimals
- O.5 Add, subtract, multiply, or divide two decimals: word problems
- O.6 Evaluate numerical expressions involving decimals
- O.7 Add, subtract, multiply, or divide two fractions
- O.8 Add, subtract, multiply, or divide two fractions: word problems
- O.9 Evaluate numerical expressions involving fractions
- O.10 Add, subtract, multiply, or divide two integers
- O.11 Evaluate numerical expressions involving integers

## Rational numbers

## Problem solving and estimation

## Ratios and rates

- R.1 Write a ratio
- R.2 Write a ratio: word problems
- R.3 Identify equivalent ratios
- R.4 Write an equivalent ratio
- R.5 Ratio tables
- R.6 Equivalent ratios: word problems
- R.7 Unit rates and equivalent rates
- R.8 Compare ratios: word problems
- R.9 Unit rates: word problems
- R.10 Do the ratios form a proportion?
- R.11 Solve the proportion
- R.12 Scale drawings: word problems

## Percents

- S.1 Convert between percents, fractions, and decimals
- S.2 Compare percents to each other and to fractions
- S.3 Compare percents and fractions: word problems
- S.4 Percents of numbers and money amounts
- S.5 Percents of numbers: word problems
- S.6 Percents of numbers - with fractional and decimal percents
- S.7 Find what percent one number is of another
- S.8 Find what percent one number is of another: word problems
- S.9 Find the total given a part and a percent

## Units of measurement

- T.1 Estimate customary measurements
- T.2 Estimate metric measurements
- T.3 Convert and compare customary units
- T.4 Convert, compare, add, and subtract mixed customary units
- T.5 Multiply and divide mixed customary units
- T.6 Customary unit conversions involving fractions and mixed numbers
- T.7 Convert and compare metric units
- T.8 Convert between customary and metric systems
- T.9 Compare temperatures above and below zero
- T.10 Convert between Celsius and Fahrenheit

## Money

## Consumer math

## Coordinate plane

## Expressions and properties

- Y.1 Write variable expressions
- Y.2 Write variable expressions: word problems
- Y.3 Evaluate variable expressions with whole numbers
- Y.4 Evaluate multi-variable expressions
- Y.5 Evaluate variable expressions with decimals, fractions, and mixed numbers
- Y.6 Identify terms and coefficients
- Y.7 Sort factors of expressions
- Y.8 Properties of addition
- Y.9 Properties of multiplication
- Y.10 Multiply using the distributive property
- Y.11 Factor using the distributive property
- Y.12 Solve for a variable using properties of multiplication
- Y.13 Write equivalent expressions using properties
- Y.14 Add and subtract like terms
- Y.15 Identify equivalent expressions

## One-variable equations

- Z.1 Does x satisfy an equation?
- Z.2 Which x satisfies an equation?
- Z.3 Write an equation from words
- Z.4 Model and solve equations using algebra tiles
- Z.5 Write and solve equations that represent diagrams
- Z.6 Solve one-step equations with whole numbers
- Z.7 Solve one-step equations with decimals, fractions, and mixed numbers
- Z.8 Solve one-step equations: word problems
- Z.9 Solve two-step equations
- Z.10 Solve equations involving like terms
- Z.11 Solve equations involving integers

## One-variable inequalities

## Two-variable equations

- BB.1 Does (x, y) satisfy an equation?
- BB.2 Identify independent and dependent variables
- BB.3 Find a value using two-variable equations
- BB.4 Solve word problems involving two-variable equations
- BB.5 Complete a table for a two-variable relationship
- BB.6 Write a two-variable equation
- BB.7 Identify the graph of an equation
- BB.8 Graph a two-variable equation
- BB.9 Interpret a graph: word problems
- BB.10 Write an equation from a graph using a table

## Two-dimensional figures

- CC.1 Identify and classify polygons
- CC.2 Measure and classify angles
- CC.3 Estimate angle measurements
- CC.4 Classify triangles
- CC.5 Identify trapezoids
- CC.6 Classify quadrilaterals
- CC.7 Graph triangles and quadrilaterals
- CC.8 Find missing angles in triangles
- CC.9 Find missing angles in quadrilaterals
- CC.10 Sums of angles in polygons
- CC.11 Lines, line segments, and rays
- CC.12 Name angles
- CC.13 Complementary and supplementary angles
- CC.14 Transversal of parallel lines
- CC.15 Find lengths and measures of bisected line segments and angles
- CC.16 Parts of a circle
- CC.17 Central angles of circles

## Symmetry and transformations

## Three-dimensional figures

## Geometric measurement

- FF.1 Perimeter
- FF.2 Area of rectangles and squares
- FF.3 Area of triangles
- FF.4 Area of parallelograms and trapezoids
- FF.5 Area of quadrilaterals
- FF.6 Area of compound figures
- FF.7 Area between two rectangles
- FF.8 Area between two triangles
- FF.9 Rectangles: relationship between perimeter and area
- FF.10 Compare area and perimeter of two figures
- FF.11 Circles: calculate area, circumference, radius, and diameter
- FF.12 Circles: word problems
- FF.13 Area between two circles
- FF.14 Volume of cubes and rectangular prisms
- FF.15 Surface area of cubes and rectangular prisms
- FF.16 Volume and surface area of triangular prisms
- FF.17 Volume and surface area of cylinders
- FF.18 Relate volume and surface area
- FF.19 Semicircles: calculate area, perimeter, radius, and diameter
- FF.20 Quarter circles: calculate area, perimeter, and radius
- FF.21 Area of compound figures with triangles, semicircles, and quarter circles

## Data and graphs

- GG.1 Interpret pictographs
- GG.2 Create pictographs
- GG.3 Interpret line plots
- GG.4 Create line plots
- GG.5 Create and interpret line plots with fractions
- GG.6 Create frequency tables
- GG.7 Interpret bar graphs
- GG.8 Create bar graphs
- GG.9 Interpret double bar graphs
- GG.10 Create double bar graphs
- GG.11 Interpret histograms
- GG.12 Create histograms
- GG.13 Circle graphs with fractions
- GG.14 Interpret line graphs
- GG.15 Create line graphs
- GG.16 Interpret double line graphs
- GG.17 Create double line graphs
- GG.18 Stem-and-leaf plots
- GG.19 Interpret box-and-whisker plots
- GG.20 Choose the best type of graph

## Statistics

## Probability

- II.1 Counting principle
- II.2 Probability of one event
- II.3 Make predictions
- II.4 Probability of opposite, mutually exclusive, and overlapping events
- II.5 Compound events - find the number of outcomes by counting
- II.6 Identify dependent and independent events
- II.7 Probability of dependent and independent events
- II.8 Factorials
- II.9 Permutations