# Third grade math

Here is a list of all of the math skills students learn in third 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!

## Numbers and comparing

- A.1 Even or odd
- A.2 Even or odd: arithmetic rules
- A.3 Skip-counting
- A.4 Skip-counting puzzles
- A.5 Number sequences
- A.6 Ordinal numbers to 100th
- A.7 Write numbers in words
- A.8 Roman numerals I, V, X, L, C, D, M
- A.9 Compare numbers
- A.10 Which number is greatest/least?
- A.11 Order numbers
- A.12 Comparing - with addition and subtraction
- A.13 Multi-step inequalities

## Place values

- B.1 Place value models up to thousands
- B.2 Place value names up to thousands
- B.3 Place value names up to hundred thousands
- B.4 Value of a digit
- B.5 Convert to/from a number
- B.6 Convert between place values
- B.7 Convert from expanded form
- B.8 Convert between standard and expanded form
- B.9 Place value word problems

## Addition

- C.1 Add two numbers up to three digits
- C.2 Addition input/output tables - up to three digits
- C.3 Add two numbers up to three digits - word problems
- C.4 Complete the addition sentence - up to three digits
- C.5 Balance addition equations - up to three digits
- C.6 Add three numbers up to three digits each
- C.7 Add three numbers up to three digits each: word problems
- C.8 Addition patterns over increasing place values
- C.9 Add two numbers with four or more digits
- C.10 Addition input/output tables - four or more digits
- C.11 Add two numbers with four or more digits - word problems
- C.12 Complete the addition sentence - four or more digits
- C.13 Balance equations - four or more digits
- C.14 Add three or more numbers with four or more digits
- C.15 Add three or more numbers with four or more digits - word problems
- C.16 Addition: fill in the missing digits

## Subtraction

- D.1 Subtract numbers up to three digits
- D.2 Subtraction input/output tables - up to three digits
- D.3 Subtract numbers up to three digits - word problems
- D.4 Complete the subtraction sentence - up to three digits
- D.5 Balance subtraction equations - up to three digits
- D.6 Subtraction patterns over increasing place values
- D.7 Subtract numbers with four or more digits
- D.8 Subtraction input/output tables - four or more digits
- D.9 Subtraction: fill in the missing digits

## Understand multiplication

- E.1 Count equal groups
- E.2 Identify multiplication expressions for equal groups
- E.3 Write multiplication sentences for equal groups
- E.4 Relate addition and multiplication for equal groups
- E.5 Identify multiplication expressions for arrays
- E.6 Write multiplication sentences for arrays
- E.7 Make arrays to model multiplication
- E.8 Write multiplication sentences for number lines

## Multiplication skill builders

## Multiplication fluency

- G.1 Multiplication tables for 2, 3, 4, 5, and 10
- G.2 Multiplication facts for 2, 3, 4, 5, and 10: true or false?
- G.3 Multiplication facts for 2, 3, 4, 5, and 10: sorting
- G.4 Multiplication facts for 2, 3, 4, 5, and 10: find the missing factor
- G.5 Multiplication tables for 6, 7, 8, and 9
- G.6 Multiplication facts for 6, 7, 8, and 9: true or false?
- G.7 Multiplication facts for 6, 7, 8, and 9: sorting
- G.8 Multiplication facts for 6, 7, 8, and 9: find the missing factor
- G.9 Multiplication tables up to 10
- G.10 Multiplication facts up to 10: true or false?
- G.11 Multiplication facts up to 10: sorting
- G.12 Multiplication facts up to 10: find the missing factor
- G.13 Multiplication facts up to 10: select the missing factors
- G.14 Multiplication sentences up to 10: true or false?
- G.15 Multiplication tables up to 12
- G.16 Multiplication facts up to 12: true or false?
- G.17 Multiplication facts up to 12: find the missing factor
- G.18 Multiplication facts up to 12: select the missing factors
- G.19 Multiplication sentences up to 12: true or false?
- G.20 Squares up to 10 x 10

## Multiplication

- H.1 Multiply by a multiple of ten
- H.2 Multiplication patterns over increasing place values
- H.3 Multiply numbers ending in zeroes
- H.4 Multiplication input/output tables
- H.5 Multiplication input/output tables: find the rule
- H.6 Multiplication word problems
- H.7 Multiplication word problems: find the missing factor
- H.8 Multiply one-digit numbers by two-digit numbers
- H.9 Multiply one-digit numbers by two-digit numbers: word problems
- H.10 Multiply one-digit numbers by three-digit numbers
- H.11 Multiply one-digit numbers by three-digit numbers: word problems
- H.12 Multiply three or more numbers
- H.13 Multiply three or more numbers: word problems
- H.14 Combinations
- H.15 Box multiplication
- H.16 Lattice multiplication

## Understand division

## Division fluency

- K.1 Division facts for 2, 3, 4, 5, and 10
- K.2 Division facts for 2, 3, 4, 5, and 10: true or false?
- K.3 Division facts for 2, 3, 4, 5, and 10: sorting
- K.4 Division facts for 6, 7, 8, and 9
- K.5 Division facts for 6, 7, 8, and 9: true or false?
- K.6 Division facts for 6, 7, 8, and 9: sorting
- K.7 Division facts up to 10
- K.8 Division facts up to 10: true or false?
- K.9 Division facts up to 10: sorting
- K.10 Division facts up to 10: find the missing number
- K.11 Division facts up to 10: select the missing numbers
- K.12 Division sentences up to 10: true or false?
- K.13 Division facts up to 12
- K.14 Division facts up to 12: true or false?
- K.15 Division facts up to 12: find the missing number
- K.16 Division facts up to 12: select the missing numbers
- K.17 Division sentences up to 12: true or false?

## Division

- L.1 Division patterns over increasing place values
- L.2 Divide numbers ending in zeroes
- L.3 Division input/output tables
- L.4 Division input/output tables: find the rule
- L.5 Division word problems
- L.6 Divide three-digit numbers
- L.7 Complete the division table
- L.8 Divide three-digit numbers: word problems
- L.9 Divide larger numbers
- L.10 Divide larger numbers: word problems
- L.11 Divisibility rules for 2, 5, and 10
- L.12 Divisibility rules for 3, 6, and 9
- L.13 Divisibility rules for 4 and 8

## Mixed operations

- M.1 Addition, subtraction, multiplication, and division facts
- M.2 Complete the addition, subtraction, multiplication, or division sentence
- M.3 Multiplication and division facts up to 5: true or false?
- M.4 Multiplication and division facts up to 10: true or false?
- M.5 Multiplication and division facts up to 12: true or false?
- M.6 Multiplication and division sentences up to 12: true or false?
- M.7 Add, subtract, multiply, and divide
- M.8 Addition and subtraction word problems
- M.9 Addition, subtraction, multiplication, and division word problems
- M.10 Interpret data in tables
- M.11 Perform multiple operations with whole numbers
- M.12 Multi-step word problems
- M.13 Missing operators

## Properties

- N.1 Addition, subtraction, multiplication, and division terms
- N.2 Understanding parentheses
- N.3 Properties of addition
- N.4 Solve using properties of addition
- N.5 Properties of multiplication
- N.6 Distributive property: find the missing factor
- N.7 Multiply using the distributive property
- N.8 Solve using properties of multiplication
- N.9 Relate addition and multiplication
- N.10 Relate multiplication and division

## Equations and variables

## Estimation and rounding

- P.1 Rounding - nearest ten or hundred only
- P.2 Rounding
- P.3 Rounding money amounts
- P.4 Rounding puzzles
- P.5 Estimate sums up to 1,000
- P.6 Estimate sums
- P.7 Estimate differences up to 1,000
- P.8 Estimate differences
- P.9 Solve inequalities using estimation
- P.10 Estimate products
- P.11 Estimate quotients

## Logical reasoning

## Patterns

## Money

- S.1 Count coins and bills - up to $5 bill
- S.2 Purchases - do you have enough money - up to $10
- S.3 Which picture shows more?
- S.4 Making change
- S.5 Inequalities with money
- S.6 Put money amounts in order
- S.7 Add and subtract money amounts
- S.8 Add money amounts - word problems
- S.9 Price lists
- S.10 Multiply money amounts
- S.11 Divide money amounts

## Time

- T.1 Match clocks and times
- T.2 Match analog and digital clocks
- T.3 Read clocks and write times
- T.4 A.M. or P.M.
- T.5 Write times
- T.6 Elapsed time
- T.7 Elapsed time word problems
- T.8 Time patterns
- T.9 Convert between hours and fractions of hours
- T.10 Relate time units
- T.11 Read a calendar
- T.12 Reading schedules
- T.13 Timelines

## Data and graphs

- U.1 Objects on a coordinate plane
- U.2 Coordinate planes as maps
- U.3 Graph points on a coordinate plane
- U.4 Interpret tally charts and tables
- U.5 Interpret bar graphs
- U.6 Use bar graphs to solve problems
- U.7 Create bar graphs
- U.8 Interpret line plots
- U.9 Create line plots
- U.10 Interpret pictographs
- U.11 Create pictographs
- U.12 Interpret line graphs
- U.13 Create line graphs
- U.14 Count shapes in a Venn diagram
- U.15 Sort shapes into a Venn diagram
- U.16 Venn diagrams with three circles

## Understand fractions

- W.1 Identify equal parts
- W.2 Understand fractions: fraction bars
- W.3 Understand fractions: area models
- W.4 Show fractions: fraction bars
- W.5 Show fractions: area models
- W.6 Match fractions to models: halves, thirds, and fourths
- W.7 Match unit fractions to models
- W.8 Match fractions to models
- W.9 Fractions of number lines: unit fractions
- W.10 Fractions of number lines
- W.11 Identify unit fractions on number lines
- W.12 Identify fractions on number lines
- W.13 Graph unit fractions on number lines
- W.14 Graph fractions on number lines
- W.15 Graph smaller or larger fractions on a number line
- W.16 Unit fractions: modeling word problems
- W.17 Unit fractions: word problems
- W.18 Fractions of a whole: modeling word problems
- W.19 Fractions of a whole: word problems
- W.20 Fractions of a group: word problems
- W.21 Match mixed numbers to models
- W.22 Word names for mixed numbers

## Equivalent fractions

- X.1 Find equivalent fractions using area models
- X.2 Identify equivalent fractions on number lines
- X.3 Find equivalent fractions using number lines
- X.4 Graph equivalent fractions on number lines
- X.5 Select equivalent fractions
- X.6 Find equivalent fractions
- X.7 Graph fractions equivalent to 1 on number lines
- X.8 Select fractions equivalent to whole numbers using area models
- X.9 Find fractions equivalent to whole numbers
- X.10 Find equivalent fractions with denominators of 10 and 100
- X.11 Write fractions in lowest terms

## Compare fractions

- Y.1 Compare fractions using models
- Y.2 Compare fractions using number lines
- Y.3 Graph and compare fractions with like denominators on number lines
- Y.4 Graph and compare fractions with like numerators on number lines
- Y.5 Graph and compare fractions on number lines
- Y.6 Compare fractions
- Y.7 Compare fractions in recipes
- Y.8 Benchmark fractions
- Y.9 Graph and order fractions on number lines
- Y.10 Order fractions with like denominators
- Y.11 Order fractions with like numerators
- Y.12 Order fractions

## Operations with fractions

- Z.1 Fractions of a number - unit fractions
- Z.2 Fractions of a number
- Z.3 Fractions of a number - unit fractions: word problems
- Z.4 Fractions of a number: word problems
- Z.5 Decompose fractions into unit fractions
- Z.6 Add fractions with like denominators using number lines
- Z.7 Subtract fractions with like denominators using number lines
- Z.8 Add and subtract fractions with like denominators

## Decimals

- AA.1 What decimal number is illustrated?
- AA.2 Convert between decimals and fractions
- AA.3 Word names for decimals
- AA.4 Compare decimals
- AA.5 Order decimals
- AA.6 Add and subtract decimals
- AA.7 Add and subtract decimals - word problems
- AA.8 Add three or more decimals
- AA.9 Number sequences involving decimals

## Units of measurement

- BB.1 Read a thermometer
- BB.2 Reasonable temperature
- BB.3 Measure using an inch ruler
- BB.4 Which customary unit of length is appropriate?
- BB.5 Which customary unit of weight is appropriate?
- BB.6 Which customary unit of volume is appropriate?
- BB.7 Which customary unit is appropriate?
- BB.8 Compare and convert customary units of length
- BB.9 Compare and convert customary units of weight
- BB.10 Compare and convert customary units of volume
- BB.11 Conversion tables - customary units
- BB.12 Compare customary units by multiplying
- BB.13 Which metric unit of length is appropriate?
- BB.14 Which metric unit of weight is appropriate?
- BB.15 Which metric unit of volume is appropriate?
- BB.16 Which metric unit is appropriate?
- BB.17 Compare and convert metric units of length
- BB.18 Compare and convert metric units of weight
- BB.19 Compare and convert metric units of volume
- BB.20 Conversion tables - metric units
- BB.21 Choose the appropriate measuring tool

## Two-dimensional shapes

- CC.1 Identify two-dimensional shapes
- CC.2 Count and compare sides and vertices
- CC.3 Open and closed shapes
- CC.4 Is it a polygon?
- CC.5 Lines, line segments, and rays
- CC.6 Angles greater than, less than, or equal to a right angle
- CC.7 Parallel, perpendicular, and intersecting lines
- CC.8 Reflection, rotation, and translation
- CC.9 Identify congruent shapes
- CC.10 Symmetry

## Triangles and quadrilaterals

## Three-dimensional shapes

## Geometric measurement

- FF.1 Perimeter of rectangles
- FF.2 Perimeter of rectilinear shapes
- FF.3 Perimeter of polygons
- FF.4 Perimeter: find the missing side length
- FF.5 Perimeter: word problems
- FF.6 Find the area of figures made of unit squares
- FF.7 Select figures with a given area
- FF.8 Select two figures with the same area
- FF.9 Create figures with a given area
- FF.10 Find the area of rectangles and squares
- FF.11 Find the missing side length of a rectangle
- FF.12 Find the area of rectangles with missing unit squares
- FF.13 Find the area of rectangles: word problems
- FF.14 Find the area of complex figures
- FF.15 Find the area between two rectangles
- FF.16 Compare area and perimeter of two figures
- FF.17 Use area and perimeter to determine cost
- FF.18 Relationship between area and perimeter
- FF.19 Volume