Math Is Fun Forum

Jacklyn Caraveo

Guest

Math/NumberPatterns

Find three different ways to continue the number pattern below.
Explain the patterns you found.

             2, 5 ,9 _ _ _

cody

Guest

Re: Math/NumberPatterns

The answer is 14 ,20 ,27

JaneFairfax

Member

Registered: 2007-02-23

Posts: 6,868

Re: Math/NumberPatterns

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(2)

(3)

The answer is 14 ,20 ,27

That’s not the answer! In fact, there are infinitely many answers, not just one.

John E. Franklin

Member

Registered: 2005-08-29

Posts: 3,588

Re: Math/NumberPatterns

Here's the easy one explained another way.
2, 2+3, 2+3+4, 2+3+4+5, 2+3+4+5+6, 2+3+4+5+6+7
which adds up to
2, 5, 9, 14, 20, 27

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igloo myrtilles fourmis

John E. Franklin

Member

Registered: 2005-08-29

Posts: 3,588

Re: Math/NumberPatterns

Here's a different way.
2, 5, 9, 13, 18, 23, 29, 35, 42
3x3-7, 3x4-7, 4x4-7, 4x5-7, 5x5-7, 5x6-7, 6x6-7, 6x7-7, 7x7-7

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igloo myrtilles fourmis

John E. Franklin

Member

Registered: 2005-08-29

Posts: 3,588

Re: Math/NumberPatterns

Here's the easy one explained another weird way I found.
2, 5, 9, 14, 20, 27, 35
Just go left to right in below stuff, forgetting rules of order.
4x3-4÷4,6x4-4÷4,8x5-4÷4,10x6-4÷4,12x7-4÷4,14x8-4÷4,16x9-4÷4

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igloo myrtilles fourmis

JaneFairfax

Member

Registered: 2007-02-23

Posts: 6,868

Re: Math/NumberPatterns

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(5)

Last edited by JaneFairfax (2007-10-26 14:32:42)