# Patterns

Here is a list of all of the skills that cover patterns! These skills are organized by grade, 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!

## Second-grade skills

- A.2Skip-counting stories
- A.3Skip-counting sequences
- A.4Counting patterns - up to 100
- A.5Skip-counting puzzles
- A.14Counting patterns - up to 1,000
- D.1Repeating patterns
- D.2Growing patterns
- D.3Find the next shape in a pattern
- D.4Complete a repeating pattern
- D.5Make a repeating pattern
- D.6Find the next row in a growing pattern
- Q.11Time patterns

## Third-grade skills

- A.4Skip-counting puzzles
- A.5Number sequences
- C.8Addition patterns over increasing place values
- D.6Subtraction patterns over increasing place values
- H.2Multiplication patterns over increasing place values
- L.1Division patterns over increasing place values
- R.1Repeating patterns
- R.2Growing patterns
- R.3Find the next shape in a pattern
- R.4Complete a repeating pattern
- R.5Make a repeating pattern
- R.6Find the next row in a growing pattern
- AA.9Number sequences involving decimals

## Fourth-grade skills

- B.6Addition patterns over increasing place values
- C.4Subtraction patterns over increasing place values
- D.8Multiplication patterns over increasing place values
- E.13Division patterns over increasing place values
- L.1Find the next shape in a repeating pattern
- L.2Complete a repeating pattern
- L.3Make a repeating pattern
- L.4Find the next row in a growing pattern of shapes
- L.5Complete an increasing number pattern
- L.6Complete a geometric number pattern
- L.7Use a rule to complete a number pattern
- L.8Number patterns: word problems
- L.9Number patterns: mixed review
- O.9Time patterns
- P.8Patterns of equivalent fractions
- T.19Number sequences involving decimals

## Fifth-grade skills

- A.7Even or odd: arithmetic rules
- C.3Multiplication patterns over increasing place values
- D.6Division patterns over increasing place values
- G.17Number sequences involving decimals
- J.2Decimal division patterns over increasing place values
- K.11Arithmetic sequences with fractions
- K.12Geometric sequences with fractions
- T.1Complete an increasing number sequence
- T.2Complete a geometric number sequence
- T.3Use a rule to complete a number sequence
- T.4Number sequences: word problems
- T.5Number sequences: mixed review
- Y.7Time patterns

## Algebra 1 skills

- P.1Identify arithmetic and geometric sequences
- P.2Arithmetic sequences
- P.3Geometric sequences
- P.4Evaluate variable expressions for number sequences
- P.5Write variable expressions for arithmetic sequences
- P.6Write variable expressions for geometric sequences
- P.7Number sequences: mixed review
- CC.2Identify linear, quadratic, and exponential functions from tables

## Algebra 2 skills

- BB.1Find terms of an arithmetic sequence
- BB.2Find terms of a geometric sequence
- BB.3Evaluate explicit formulas for sequences
- BB.4Evaluate recursive formulas for sequences
- BB.5Classify formulas and sequences
- BB.6Write a formula for an arithmetic sequence
- BB.7Write a formula for a geometric sequence
- BB.8Write a formula for a recursive sequence
- BB.9Sequences: mixed review
- BB.10Identify arithmetic and geometric series
- BB.11Introduction to sigma notation
- BB.12Find the sum of a finite arithmetic or geometric series
- BB.13Introduction to partial sums
- BB.14Partial sums of arithmetic series
- BB.15Partial sums of geometric series
- BB.16Partial sums: mixed review
- BB.17Convergent and divergent geometric series
- BB.18Find the value of an infinite geometric series
- BB.19Write a repeating decimal as a fraction

## Precalculus skills

- W.1Find terms of a sequence
- W.2Find terms of a recursive sequence
- W.3Identify a sequence as explicit or recursive
- W.4Find a recursive formula
- W.5Find recursive and explicit formulas
- W.6Convert a recursive formula to an explicit formula
- W.7Convert an explicit formula to a recursive formula
- W.8Convert between explicit and recursive formulas
- W.9Identify arithmetic and geometric series
- W.10Introduction to sigma notation
- W.11Find the sum of a finite arithmetic or geometric series
- W.12Introduction to partial sums
- W.13Partial sums of arithmetic series
- W.14Partial sums of geometric series
- W.15Partial sums: mixed review
- W.16Convergent and divergent geometric series
- W.17Find the value of an infinite geometric series
- W.18Write a repeating decimal as a fraction