# Third grade

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

## Numbers and comparing

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

## Place values

## Addition

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

## Subtraction

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

## Multiplication

- E.1Multiplication sentences
- E.2Multiplication - facts to 12
- E.3Multiplication word problems - facts to 12
- E.4Missing factors - facts to 12
- E.5Missing factors - facts to 12 - word problems
- E.6Squares up to 20
- E.7Multiplication patterns over increasing place values
- E.8Multiply by a multiple of ten
- E.9Multiply numbers ending in zeroes
- E.10Multiply a one-digit number by a larger number
- E.11Multiply a one-digit number by a larger number - word problems
- E.12Multiply three or more numbers
- E.13Multiply three or more numbers - word problems
- E.14Multiplication input/output tables
- E.15Multiplication input/output tables: find the rule
- E.16Box multiplication
- E.17Lattice multiplication

## Multiplication - skill builders

## Division

- G.1Division facts to 5
- G.2Division facts to 10
- G.3Division word problems - facts to 10
- G.4Complete the division sentence - facts to 10
- G.5Division facts to 12
- G.6Division patterns over increasing place values
- G.7Divide numbers ending in zeroes
- G.8Divide three-digit numbers
- G.9Divide three-digit numbers - word problems
- G.10Divide larger numbers
- G.11Divide larger numbers - word problems
- G.12Divisibility rules for 2, 5, and 10
- G.13Complete the division table
- G.14Division input/output tables
- G.15Division input/output tables: find the rule

## Division - skill builders

## Mixed operations

- I.1Addition, subtraction, multiplication, and division facts
- I.2Complete the addition, subtraction, multiplication, or division sentence
- I.3Add, subtract, multiply, and divide
- I.4Addition, subtraction, multiplication, and division word problems
- I.5Interpret data in tables
- I.6Multi-step word problems
- I.7Missing operators

## Properties

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

## Equations and variables

## Estimation and rounding

## Logical reasoning

## Money

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

## Time

## Data and graphs

## Measurement

- Q.1Read a thermometer
- Q.2Reasonable temperature
- Q.3Measure using an inch ruler
- Q.4Which customary unit is appropriate?
- Q.5Compare and convert customary units of length
- Q.6Compare and convert customary units of weight
- Q.7Compare and convert customary units of volume
- Q.8Conversion tables - customary units
- Q.9Compare customary units by multiplying
- Q.10Which metric unit is appropriate?
- Q.11Compare and convert metric units of length
- Q.12Compare and convert metric units of weight
- Q.13Compare and convert metric units of volume
- Q.14Conversion tables - metric units

## Geometry

- R.1Identify planar and solid shapes
- R.2Which 2-dimensional shape is being described?
- R.3Count and compare sides, edges, faces, and vertices
- R.4Symmetry
- R.5Similar and congruent
- R.6Reflection, rotation, and translation
- R.7Perimeter
- R.8Perimeter: find the missing side length
- R.9Area of figures made of unit squares
- R.10Area of rectangles
- R.11Area of squares and rectangles: word problems
- R.12Area of complex figures (with all right angles)
- R.13Area between two rectangles
- R.14Compare area and perimeter of two figures
- R.15Use area and perimeter to determine cost
- R.16Relationship between area and perimeter
- R.17Volume
- R.18Angles: greater than, less than, or equal to a right angle
- R.19Lines, line segments, and rays
- R.20Is it a polygon?
- R.21Triangles: equilateral, isosceles, and scalene
- R.22Triangles: acute, right, and obtuse
- R.23Classify quadrilaterals

## Understand fractions

- S.1Identify equal parts
- S.2Identify halves, thirds, and fourths
- S.3Understand fractions: fraction bars
- S.4Understand fractions: area models
- S.5Match unit fractions to models
- S.6Match fractions to models
- S.7Show fractions: fraction bars
- S.8Show fractions: area models
- S.9Fractions of number lines: unit fractions
- S.10Fractions of number lines
- S.11Identify unit fractions on number lines
- S.12Identify fractions on number lines
- S.13Graph unit fractions on number lines
- S.14Graph fractions on number lines
- S.15Fraction review - word problems
- S.16Match mixed numbers to models
- S.17Write the mixed number in words

## Equivalent fractions

- T.1Identify equivalent fractions on number lines
- T.2Find equivalent fractions using number lines
- T.3Graph equivalent fractions on number lines
- T.4Fraction models equivalent to whole numbers
- T.5Find equivalent fractions using area models
- T.6Equivalent fractions: choose the equivalent fraction
- T.7Graph fractions equivalent to 1 on number lines
- T.8Fractions equivalent to whole numbers
- T.9Equivalent fractions: type the missing numerator or denominator
- T.10Fractions with denominators of 10 and 100
- T.11Reducing fractions to lowest terms

## Compare fractions

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

## Operations with fractions

## Decimals

- W.1What decimal number is illustrated?
- W.2Convert between decimals and fractions
- W.3Understanding decimals expressed in words
- W.4Number sequences involving decimals
- W.5Inequalities with decimals
- W.6Put decimal numbers in order
- W.7Add and subtract decimals
- W.8Add and subtract decimals - word problems
- W.9Add three or more decimal numbers