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Sequences and Regularities

Authored by Raquel Coutinho

Mathematics

5th - 9th Grade

Used 3+ times

Sequences and Regularities
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7 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Find the number of white balls that the next sequence will have.

18

21

22

23

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the next number:

1, 3, 6, 10, 15, 21, ...

28

29

25

30

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the general term of the following numerical sequence: 3, 12, 21, 30, 39, ... ?

5n-2

2n+1

10n-7

9n-6

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The following figure represents the first three terms of a sequence.

The first five termes of the sequence are:

3, 5, 7, 9 and 11

4, 5, 6, 7 and 10

7, 10, 12, 13 and 14

3, 5, 7, 9 and 10

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The following figure shows the first four terms of a sequence of circles and squares.

Which of these expressions represents the number of squares of a term of order n?

2n

n+1

4n+3

n-1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the next term of the sequence: 23;29;35....

40

46

41

39

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What are the 3 terms of the following sequences: 10;20;30?

10; 30; 50

40; 50; 60

28; 37; 18

35; 17; 27

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