Short Quiz

Question 1 of 5

What is the next term in \(4,6,8,10,12,14,\ldots\)?

A 15 B 16 C 17 D 18

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Question 2 of 5

A stacked-square figure has 5 rows and 5 columns of equal small squares. How many small squares does it contain?

A 20 B 25 C 24 D 30

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Question 3 of 5

A student says the term after 28 in the triangular-number sequence is \(28+7=35\). Which correction is needed?

A Add 8, giving 36. B Add 6, giving 34. C Square 7, giving 49. D Double 28, giving 56.

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Question 4 of 5

What comes after 64 in \(1,8,27,64,\ldots\)?

A 81 B 125 C 100 D 216

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Question 5 of 5

The 5th and 6th triangular numbers are 15 and 21. What is their sum?

A 35 B 40 C 42 D 36

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Class 6