# 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 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!

## Counting and number patterns

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

## Understand addition

## Addition skill builders

## Addition

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

## Addition strategies

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

## Understand subtraction

## Subtraction skill builders

## Subtraction

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

## Subtraction strategies

## Mixed operations

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

## Comparing

## Estimation

## Place values

## Spatial sense

## Measurement

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

## Money

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

## Patterns

## Probability and statistics

## Sorting, ordering, and classifying

## Time

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

## Two-dimensional shapes

## Three-dimensional shapes

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

## Fractions

- X.1 Equal parts - halves and fourths
- X.2 Halves and fourths
- X.3 Equal parts - halves, thirds, and fourths
- X.4 Halves, thirds, and fourths
- X.5 Simple fractions: what fraction does the shape show?
- X.6 Simple fractions: which shape matches the fraction?
- X.7 Simple fractions: parts of a group
- X.8 Fractions - word problems
- X.9 Compare fractions
- X.10 Fraction models equivalent to whole numbers
- X.11 Fractions equivalent to whole numbers