2.1 Counting and Sequences

Count on by 5.  What number comes next? 80, 85, 90, 95, _____?

• 100

• 96

• 105

• 110

 

If this number line is continued, what number would come next?

• 14

• 13

• 15

• 16

3, 6, ?, 12, 15, 18

• 21

• 9

• 8

• 19

A sequence starts at 50 and 9 is subtracted each time.

What is the next number in the sequence?

50, 41, 32, ........ 

• 30

• 18

• 31

• 23

Kevin starts counting at 77 and counts back in steps of 7.

77, 70, 63, 56, 49, ........

What is the next number in the sequence?

• 50

• 35

• 42

• 40

The rule for this sequence is: 18, 15, 12, 9, 6, 3, 0

• Minus 3

• Add 3

Noora makes a sequence of numbers , starting with 13. She subtracted 4 each time. What are the next 3 numbers in the sequence?

• 9, 5, 1

• 14, 17, 20

• 8, 4, 0

Identify the next three terms of the sequence below:

-6, -10, -14, ...

• -17, -21, -25

• -18, -22, -26

What is the rule for this number sequence?

-5, -3, -1, 1, 3, .......

• count on in steps of 2

• count on in steps of 4

• count back in steps of 4

• count back in steps of 2

What is the next term in the sequence: 1, 4, 9, 16, 25, 36, 49,...?

• 64

• 50

• 55

• 84