Pick a number. Pick a number

Pick a number.

• Pick a number.

• Double it.

• Add 10.

• Divide by two.

• Subtract the original number.

• Did you get 5?

Pick a number.

• Pick a number.

• Double it.

• Add 10.

• Divide by two.

• Subtract the original number.

• Did you get 5?

Go to page 104 in your text.

• Go to page 104 in your text.

• Play the number trick in the Explore.

• Try it with three different numbers and record your result.

• Complete #1-4 in the Draw Conclusions.

• Write out your responses neatly and in complete sentences where necessary.

• For Exercise 4 you will have another student test your number trick and sign their name to it.

• You will be graded on Criterion B: Recognizing Patterns.

Exercise 1and 2

• Exercise 1and 2

• Did you follow Order of Operations correctly?
• Did you explain every step in the number trick?

• Exercise 3

• Did you completely describe what is happening?
• Did you justify your answer?
• Were you able to change the trick to always answer 15?
• Did you explain how you changed the answer to 15 and explain why it works?

• Exercise 4

• Does your number trick work?
• Did someone else test it?