7.3.1
Alternating Pattern Sequences
Alternating Pattern Sequences
Alternating Pattern Sequences
Often, a sequence will contain two separate patterns. You will need to identify each pattern to answer the question.
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,h_400,q_80,w_640.png)
Identify the first pattern
Identify the first pattern
- Starting with the first number, each alternate number increases by 2.
,h_400,q_80,w_640.png)
,h_400,q_80,w_640.png)
Identify the second pattern
Identify the second pattern
- Starting with the second number, each alternate number decreases by 2.


Work out the next number
Work out the next number
- The next number in the sequence will be 6 + 2.
- 6 + 2 = 8


Work out the next number
Work out the next number
- The next number in the sequence will be 3 − 2.
- 3 − 2 = 1
1Angles
1.17 Facts About Angles
1.2Identify the Angle
1.3Angles on a Straight Line
1.4Angles in a Circle
1.5Angles in Triangles
2Fractions
2.1Simplifying Fractions
2.2Improper Fractions & Mixed Numbers
2.3Fractions of Numbers
2.4Expressing Shaded Areas as Fractions
3Time
4Prime Numbers
4.1Prime Numbers
5Probability
6Ratio
6.1Ratios
7Sequences
7.1Constant Sequences
7.2Doubling & Halving Sequences
7.3Alternating Patterns & Two-Step Sequences
7.4Two-Step Patterns
7.5The nth Term
8Area & Perimeter
8.1Perimeter of a Quadrilateral
8.2Area of a Quadrilateral
8.3Area of a Triangle
Jump to other topics
1Angles
1.17 Facts About Angles
1.2Identify the Angle
1.3Angles on a Straight Line
1.4Angles in a Circle
1.5Angles in Triangles
2Fractions
2.1Simplifying Fractions
2.2Improper Fractions & Mixed Numbers
2.3Fractions of Numbers
2.4Expressing Shaded Areas as Fractions
3Time
4Prime Numbers
4.1Prime Numbers
5Probability
6Ratio
6.1Ratios
7Sequences
7.1Constant Sequences
7.2Doubling & Halving Sequences
7.3Alternating Patterns & Two-Step Sequences
7.4Two-Step Patterns
7.5The nth Term
8Area & Perimeter
8.1Perimeter of a Quadrilateral
8.2Area of a Quadrilateral
8.3Area of a Triangle
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