# Sixth grade

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

## Decimal numbers

## Integers

## Rational numbers

## Exponents and square roots

- E.1Write multiplication expressions using exponents
- E.2Evaluate exponents
- E.3Exponents: solve for the variable
- E.4Exponents with decimal bases
- E.5Exponents with fractional bases
- E.6Understanding negative exponents
- E.7Evaluate negative exponents
- E.8Advanced exponents
- E.9Square roots of perfect squares
- E.10Estimate square roots

## Money

## Consumer math

## Add and subtract integers

- I.1Review - add and subtract whole numbers
- I.2Review - add and subtract whole numbers: word problems
- I.3Properties of addition
- I.4Integer addition and subtraction rules
- I.5Add integers - using counters
- I.6Add integers
- I.7Subtract integers - using counters
- I.8Subtract integers
- I.9Add and subtract integers - input/output tables
- I.10Add three or more integers

## Add and subtract decimals

## Multiplication

- K.1Multiply whole numbers
- K.2Multiply whole numbers: word problems
- K.3Multiply whole numbers with four or more digits
- K.4Multiply numbers ending in zeroes
- K.5Multiply numbers ending in zeroes: word problems
- K.6Multiply three or more numbers
- K.7Multiply three or more numbers: word problems
- K.8Estimate products
- K.9Properties of multiplication
- K.10Solve for a variable using properties of multiplication
- K.11Integer multiplication rules
- K.12Multiply integers

## Division

## Problem solving and estimation

## Multiply and divide decimals

- O.1Multiply decimals
- O.2Estimate products of decimal numbers
- O.3Inequalities with decimal multiplication
- O.4Divide decimals by whole numbers
- O.5Divide decimals by whole numbers: word problems
- O.6Multiply and divide decimals by powers of ten
- O.7Division with decimal quotients
- O.8Inequalities with decimal division
- O.9Evaluate expressions involving decimals

## Algebra

- P.1Write variable expressions to represent word problems
- P.2Evaluate variable expressions with whole numbers
- P.3Solve word problems involving two-variable equations
- P.4Evaluate variable expressions involving decimals, fractions, and mixed numbers
- P.5Solve one-step equations with whole numbers
- P.6Solve one-step equations involving decimals, fractions, and mixed numbers
- P.7Evaluate multi-variable expressions
- P.8Solve two-step equations
- P.9Complete a function table
- P.10Write linear functions
- P.11Linear function word problems
- P.12Evaluate expressions involving integers
- P.13Solve equations involving integers
- P.14Does (x, y) satisfy an equation?
- P.15Identify terms, coefficients, and monomials
- P.16Add and subtract like terms
- P.17Simplify variable expressions using properties
- P.18Distributive property
- P.19Solve equations involving like terms
- P.20Half-life and population doubling
- P.21Inequalities on number lines
- P.22Solutions to variable inequalities
- P.23Solve one-step linear inequalities

## Coordinate graphs

## Data and graphs

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

## Statistics

## Fractions and mixed numbers

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

## Add and subtract fractions

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

## Multiply fractions

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

## Divide fractions

- W.1Divide by fractions - with models
- W.2Reciprocals
- W.3Divide fractions
- W.4Estimate quotients when dividing mixed numbers
- W.5Divide fractions and mixed numbers
- W.6Divide fractions and mixed numbers: word problems
- W.7Simplify expressions involving fractions
- W.8Recipes with fractions and mixed numbers

## Mixed operations

- X.1Add, subtract, multiply, and divide whole numbers
- X.2Add, subtract, multiply, and divide whole numbers: word problems
- X.3Add, subtract, multiply, and divide integers
- X.4Add, subtract, multiply, and divide decimals
- X.5Add, subtract, multiply, and divide decimals: word problems
- X.6Add, subtract, multiply, and divide fractions and mixed numbers
- X.7Add, subtract, multiply, and divide fractions and mixed numbers: word problems

## Measurement

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

## Geometry

- Z.1Lines, line segments, and rays
- Z.2Review of 2- and 3-dimensional figures
- Z.3Angle review: measure and classify
- Z.4Estimate angle measurements
- Z.5Name angles
- Z.6Complementary and supplementary angles
- Z.7Transversal of parallel lines
- Z.8Triangle review
- Z.9Classify quadrilaterals
- Z.10Find missing angles and side lengths in triangles and quadrilaterals
- Z.11Sums of angles in polygons
- Z.12Parts of a circle
- Z.13Central angles of circles
- Z.14Similar and congruent figures
- Z.15Find side lengths of similar figures
- Z.16Reflection, rotation, and translation
- Z.17Translations: graph the image
- Z.18Reflections: graph the image
- Z.19Rotations: graph the image
- Z.20Symmetry
- Z.21Find lengths and measures of bisected lines and angles
- Z.22Perimeter
- Z.23Area
- Z.24Area of compound figures
- Z.25Area between two rectangles
- Z.26Area between two triangles
- Z.27Area between two circles
- Z.28Rectangles: relationship between perimeter and area
- Z.29Compare area and perimeter of two figures
- Z.30Circles: calculate area, circumference, radius, and diameter
- Z.31Circles: word problems
- Z.32Identify polyhedra and count faces, edges, and vertices
- Z.33Which figure is being described?
- Z.34Front, side, and top view
- Z.35Nets of 3-dimensional figures
- Z.36Volume of cubes and rectangular prisms
- Z.37Surface area of cubes and rectangular prisms
- Z.38Volume and surface area of triangular prisms
- Z.39Volume and surface area of cylinders
- Z.40Relate volume and surface area
- Z.41Semicircles: calculate area, perimeter, radius, and diameter
- Z.42Quarter circles: calculate area, perimeter, and radius
- Z.43Area of compound figures with triangles, semicircles, and quarter circles

## Ratios, proportions, and percents

- AA.1Write a ratio to describe objects in a picture
- AA.2Ratio tables
- AA.3Ratios: word problems
- AA.4Equivalent ratios
- AA.5Equivalent ratios: word problems
- AA.6Compare ratios: word problems
- AA.7Proportions
- AA.8Unit rates and equivalent rates
- AA.9Unit rates: word problems
- AA.10Scale drawings
- AA.11Convert between percents, fractions, and decimals
- AA.12Compare percents to each other and to fractions
- AA.13Compare percents and fractions: word problems
- AA.14Percents of numbers and money amounts
- AA.15Percents of numbers: word problems
- AA.16Percents of numbers - with fractional and decimal percents
- AA.17Find what percent one number is of another
- AA.18Find what percent one number is of another: word problems

## Probability

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