Unit 1 Revision

A sequence has 2, 4, 6, 8, 10, 12, 14. The rule for the sequence is;

• Add 1

• Add 2

What is the next number in this sequence 4, 8, 12, ......, 20?

• 10

• 16

• 18

12, ..........., 32, 42, 52. The missing number is;

• 22

• 23

• 24

180, 140, 100, 60, ............ The missing number is;

• 40

• 50

• 30

• 20

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

• Add 3

• Plus 3

• Minus 3

The sequence starts with 5. The rule is add 3. What are the next 3 numbers.

• 6, 7, 8

• 10,15, 20

• 8, 11, 14

• 2, -1, -4

52, 57, 62, 67, 72. What is the rule.

• Add 2

• Add 5

• Subtract 2

• Subtract 5

Which one is number thirty-one?

• 21

• 41

• 31

• 11

An ODD number will end in:

• 0, 2, 4, 6, 8
• 1, 3, 5, 7, 9

942

• even
• odd