# First grade math

See recommended skills!Here is a list of all of the math skills students learn in first 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!

## Counting and number patterns

- A.1Counting review - up to 10
- A.2Count to fill a ten frame
- A.3Counting review - up to 20
- A.4Counting tens and ones - up to 20
- A.5Count on ten frames - up to 40
- A.6Counting by tens - up to 100
- A.7Counting - up to 100
- A.8Counting tens and ones - up to 99
- A.9Counting by twos, fives, and tens with pictures
- A.10Counting by twos, fives, and tens
- A.11Counting forward and backward
- A.12Number lines
- A.13Counting on the hundred chart
- A.14Hundred chart
- A.15Even or odd
- A.16Identify numbers as even or odd
- A.17Even or odd numbers on number lines
- A.18Which even or odd number comes before or after?
- A.19Skip-counting patterns - with tables
- A.20Sequences - count up and down by 1, 2, 3, 5, and 10
- A.21Ordinal numbers
- A.22Writing numbers in words
- A.23Roman numerals I, V, X

## Understand addition

## Addition skill builders

## Addition

- D.1Addition facts - sums up to 10
- D.2Make a number using addition - sums up to 10
- D.3Complete the addition sentence - sums up to 10
- D.4Ways to make a number - addition sentences
- D.5Addition word problems - sums up to 10
- D.6Addition sentences for word problems - sums up to 10
- D.7Addition sentences using number lines - sums up to 18
- D.8Addition facts - sums up to 18
- D.9Addition word problems - sums up to 18
- D.10Addition sentences for word problems - sums up to 18
- D.11Addition facts - sums up to 20
- D.12Make a number using addition - sums up to 20
- D.13Addition sentences for word problems - sums up to 20
- D.14Related addition facts
- D.15Addition sentences: true or false?
- D.16Add a one-digit number to a two-digit number - without regrouping
- D.17Regroup tens and ones - ways to make a number
- D.18Regroup tens and ones
- D.19Add a one-digit number to a two-digit number - with regrouping

## Addition strategies

- E.1Add doubles - with models
- E.2Add doubles
- E.3Add doubles - complete the sentence
- E.4Add using doubles plus one
- E.5Add using doubles minus one
- E.6Add three numbers - use doubles
- E.7Complete the addition sentence - make ten
- E.8Add three numbers - make ten
- E.9Add two multiples of ten
- E.10Add a multiple of ten
- E.11Add three numbers
- E.12Add three numbers - word problems

## Understand subtraction

## Subtraction skill builders

## Subtraction

- H.1Subtraction facts - numbers up to 10
- H.2Make a number using subtraction - numbers up to 10
- H.3Ways to make a number - subtraction sentences
- H.4Ways to subtract from a number - subtraction sentences
- H.5Complete the subtraction sentence
- H.6Subtraction word problems - numbers up to 10
- H.7Subtraction sentences for word problems - numbers up to 10
- H.8Subtraction sentences using number lines - numbers up to 18
- H.9Subtraction facts - numbers up to 18
- H.10Subtraction word problems - numbers up to 18
- H.11Subtraction sentences for word problems - numbers up to 18
- H.12Make a number using subtraction - numbers up to 20
- H.13Related subtraction facts
- H.14Subtraction sentences: true or false?
- H.15Subtract one-digit numbers from two-digit numbers

## Subtraction strategies

## Mixed operations

- J.1Addition and subtraction - ways to make a number
- J.2Which sign makes the number sentence true?
- J.3Fact families
- J.4Addition and subtraction facts - numbers up to 10
- J.5Addition and subtraction facts - numbers up to 18
- J.6Addition and subtraction word problems
- J.7Addition and subtraction sentences: true or false?
- J.8Ten more or less
- J.9Add and subtract tens
- J.10Addition and subtraction terms

## Comparing

## Estimation

## Place values

## Spatial sense

## Measurement

- P.1Read a thermometer
- P.2Compare objects: length and height
- P.3Measure using objects
- P.4Measure using an inch ruler
- P.5Which customary unit of length is appropriate?
- P.6Customary units of length: word problems
- P.7Which customary unit of weight is appropriate?
- P.8Compare and convert cups, pints, and quarts
- P.9Measure using a centimeter ruler
- P.10Which metric unit of length is appropriate?
- P.11Metric units of length: word problems
- P.12Which metric unit of weight is appropriate?

## Money

- Q.1Names and values of common coins
- Q.2Names and values of all coins
- Q.3Count pennies, nickels, and dimes
- Q.4Count pennies, nickels, dimes, and quarters
- Q.5Equivalent groups of coins
- Q.6Exchanging coins
- Q.7Money - word problems
- Q.8Purchases: do you have enough money?
- Q.9Compare money amounts
- Q.10Least number of coins

## Patterns

## Probability and statistics

## Sorting, ordering, and classifying

## Time

- U.1Match digital clocks and times
- U.2Match analog clocks and times
- U.3Match analog and digital clocks
- U.4Read clocks and write times
- U.5A.M. or P.M.
- U.6Times of everyday events
- U.7Compare clocks
- U.8Time and clocks: word problems
- U.9Days of the week
- U.10Seasons of the year
- U.11Months of the year
- U.12Read a calendar

## Two-dimensional shapes

## Three-dimensional shapes

- W.1Two-dimensional and three-dimensional shapes
- W.2Name the three-dimensional shape
- W.3Cubes and rectangular prisms
- W.4Select three-dimensional shapes
- W.5Count vertices, edges, and faces
- W.6Compare vertices, edges, and faces
- W.7Identify shapes traced from solids
- W.8Identify faces of three-dimensional shapes
- W.9Shapes of everyday objects I
- W.10Shapes of everyday objects II

## Fractions

- X.1Equal parts
- X.2Halves, thirds, and fourths
- X.3Simple fractions: what fraction does the shape show?
- X.4Simple fractions: which shape matches the fraction?
- X.5Simple fractions: parts of a group
- X.6Fractions - word problems
- X.7Compare fractions
- X.8Fraction models equivalent to whole numbers
- X.9Fractions equivalent to whole numbers