Patterns, equalities and inequalities.

What is a number pattern?

• A sequence of numbers

• A group of numbers

• A line with numbers

What is the rule in this pattern: 5-10-15-20?

• Subtract 10

• Subtract 5

• Add 5

Which of these patterns is correct?

• 11-22-33-44-55

• 7-10-12-15-16

• 20-30-40-60

Which of these patterns is incorrect?

• 2-4-6-8-10

• 3-5-7-9-11

• 10-12-13-15-17

What happens when a pattern increases?

• You add numbers each time

• You subtract numbers each time

What happens when a pattern decreases?

• You add numbers each time

• You subtract numbers each time

Is this pattern increasing or decreasing? 22-20-18-16

• Increasing

• Decreasing

Is this pattern increasing or decreasing? 40-43-46-49

• Increasing

• Decreasing

What is an equality?

• Two quantities that are the same

• Two quantities that are different

What is an inequality?

• Two quantities that are the same

• Two quantities that are different