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Related Number Pairs Lesson 18 pa6erns • Repeat of a rule throughout a sequence of items or numbers. • Example: • 2, 4, 8, 16, 32 • 15, 20, 25, 30 pa6erns • Repeat of a rule throughout a sequence of items or numbers. • Example: • 2, 4, 8, 16, 32 what’s the rule? • 15, 20, 25, 30 what’s the rule? FuncKon table • It shows relaKonships between pairs of numbers. Input numbers and output numbers Input Output 2 7 4 9 6 11 FuncKon table • What’s the rule? Input Output 2 7 4 9 6 11 FuncKon tables • Step One: Determine the Rule • Step Two: Write an expression Kyle loves to read Number of hours 1 Number 15 of pages 4 7 10 60 105 150 12 We have to order pizza for class, how many do we order? Number of pizzas Number of slices 1 12 3 36 8 11 132 Ordering breakfast for a family over break? Number of pancakes 16 Number of orders 2 40 5 96 12 144 18 • If each member of your family eats 2 pancakes, how many orders do you need? Students eat breakfast in their classrooms in the mornings… they get, milk, juice, cereal and crackers Students 3 4 5 15 18 Items they get 12 16 20