# First grade math

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 - 0 to 10
- A.2Count to fill a ten frame
- A.3Counting review - up to 20
- A.4Counting tens and ones - up to 20
- A.5Counting - up to 30
- A.6Counting - up to 100
- A.7Counting by tens - 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.2Addition sentences using number lines - sums up to 10
- D.3Ways to make a number - addition sentences
- D.4Make a number using addition - sums up to 10
- D.5Complete the addition sentence
- D.6Addition word problems - sums up to 10
- D.7Addition sentences for word problems - sums up to 10
- D.8Addition facts - sums up to 18
- D.9Addition sentences using number lines - sums up to 18
- D.10Addition word problems - sums up to 18
- D.11Addition sentences for word problems - sums up to 18
- D.12Addition facts - sums up to 20
- D.13Make a number using addition - sums up to 20
- D.14Addition sentences for word problems - sums up to 20
- D.15Related addition facts
- D.16Addition sentences: true or false?
- D.17Add a one-digit number to a two-digit number - without regrouping
- D.18Regrouping tens and ones I
- D.19Regrouping tens and ones II
- D.20Add 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

## Subtraction skill builders

## Subtraction

- H.1Subtraction facts - numbers up to 10
- H.2Subtraction sentences using number lines - numbers up to 10
- H.3Ways to make a number - subtraction sentences
- H.4Ways to subtract from a number - subtraction sentences
- H.5Make a number using subtraction - numbers up to 10
- H.6Complete the subtraction sentence
- H.7Subtraction word problems - numbers up to 10
- H.8Subtraction sentences for word problems - numbers up to 10
- H.9Subtraction facts - numbers up to 18
- H.10Subtraction sentences using number lines - numbers up to 18
- H.11Subtraction word problems - numbers up to 18
- H.12Subtraction sentences for word problems - numbers up to 18
- H.13Make a number using subtraction - numbers up to 20
- H.14Related subtraction facts
- H.15Subtraction sentences: true or false?
- H.16Subtract 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

## Fractions

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

## Geometry

- O.1Identify 2-dimensional shapes
- O.2Identify 3-dimensional figures
- O.3Geometry of everyday objects I
- O.4Geometry of everyday objects II
- O.5Relate planar and solid figures
- O.6Count sides and vertices
- O.7Count edges, vertices, and faces
- O.8Compare sides and vertices
- O.9Compare edges, vertices, and faces
- O.10Open and closed shapes
- O.11Flip, turn, and slide
- O.12Symmetry
- O.13Same shape

## Spatial sense

## Data and graphs

## Measurement

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

## Money

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

## Patterns

## Probability and statistics

## Sorting, ordering, and classifying

## Time

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