Section 2.1: Patterns and Relationship

2.1 Patterns and Relationship

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A teacher lines up chairs in a pattern:
       Row 1: 5 chairs
       Row 2: 10 chairs
       Row 3: 15 chairs
If the pattern continues, how many chairs will be in Row 6?

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A pattern starts at 70 and decreases by the same amount each time.
      70, 66, ___, 58, ___, …

What are the missing numbers?

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A car’s headlights flash in a pattern: on, on, off, on, on, off…
If this pattern continues, what will the 12th flash be?

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The pattern is: 2, 3, 5, 8, 12…
What is the next number?

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Number pattern: 50, 45, 40, 35…
What is the next number?

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Jessie skips rope every day: 5, 10, 15, 20…
How many times will she skip on Day 7?

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The shape pattern goes:

What comes next in the pattern?

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The number pattern is: 2, 4, 8, 16…
What rule is used in this pattern?

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The pattern of numbers is: 100, 90, 80, 70…
What is the next number in the pattern?

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How many triangles will be in Figure 6?

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Tim claps his hands in a pattern: clap, clap, stomp, clap, clap, stomp…
What action comes next in the pattern?

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A number pattern goes: 5, 10, 15, 20, …
What is the 8th number in the pattern?

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