# 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 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!

## First-grade skills

- A.19 Skip-counting patterns - with tables
- A.20 Sequences - count up and down by 1, 2, 3, 5, and 10
- R.1 Introduction to patterns
- R.2 Find the next shape in a pattern
- R.3 Complete a pattern
- R.4 Make a pattern
- R.5 Growing patterns
- R.6 Find the next shape in a growing pattern
- R.7 Find the next row in a growing pattern

## Second-grade skills

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

## Third-grade skills

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

## Fourth-grade skills

- B.6 Addition patterns over increasing place values
- C.4 Subtraction patterns over increasing place values
- D.9 Multiplication patterns over increasing place values
- E.13 Division patterns over increasing place values
- L.1 Find the next shape in a repeating pattern
- L.2 Complete a repeating pattern
- L.3 Make a repeating pattern
- L.4 Find the next row in a growing pattern of shapes
- L.5 Complete an increasing number pattern
- L.6 Complete a geometric number pattern
- L.7 Use a rule to complete a number pattern
- L.8 Number patterns: word problems
- L.9 Number patterns: mixed review
- O.9 Time patterns
- P.9 Patterns of equivalent fractions
- T.20 Number sequences involving decimals

## Fifth-grade skills

- A.8 Even or odd: arithmetic rules
- C.3 Multiplication patterns over increasing place values
- D.6 Division patterns over increasing place values
- G.19 Number sequences involving decimals
- J.2 Decimal division patterns over increasing place values
- K.12 Arithmetic sequences with fractions
- K.13 Geometric sequences with fractions
- T.1 Complete an increasing number sequence
- T.2 Complete a geometric number sequence
- T.3 Use a rule to complete a number sequence
- T.4 Number sequences: word problems
- T.5 Number sequences: mixed review
- Y.7 Time patterns

## Algebra 1 skills

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

## Algebra 2 skills

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

## Precalculus skills

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