Counting and sequences

What is a sequence in mathematics?

• A set of random numbers
• A list of numbers that follow a rule
• A multiplication table
• A number line

Which of these sequences uses the rule 'Add 2 each time'?

• 2, 4, 6, 8, 10
• 2, 5, 8, 11
• 1, 3, 6, 10
• 10, 20, 30, 40

Identify the rule in this sequence: 5, 10, 15, 20, 25

• Subtract 5
• Add 10
• Add 5
• Multiply by 2

What is the next number in the sequence: 50, 45, 40, 35, ___?

What is the rule for the sequence: 20, 18, 16, 14, 12?

• Add 2
• Subtract 2
• Multiply by 2
• Divide by 2

Fill in the blank

130, 120, 110, 100, ......

Which number is the 7th term in the sequence: 1, 3, 5, 7, ...?

• 9
• 11
• 13
• 15

Which of the following has the rule 'Subtract 5 each time'?

• 100, 90, 80, 70
• 50, 45, 40, 35
• 25, 20, 15, 10
• 60, 50, 40, 30

Which sequence does NOT follow a term to term rule?

• 10, 20, 30, 40
• 5, 10, 15, 21
• 3, 6, 9, 12
• 20, 18, 16, 14

Which is the correct term-to-term rule for 4, 8, 12, 16?

• Add 3
• Add 4
• Multiply by 2
• Subtract 2