Number Tricks Task
Part 1:
1. Do the following sequence of operations in order as it is stated: Write down any number. (This is your “start” number) Add it to the number that comes before it. Add 11. Divide by 2. Subtract your start number. 2. 3. 4. 5.
What did you get for your final number? _______ Check with your partner, what did that person get for their final number? _______ Everyone should have the same number. What number is that? _______ Solve the above equation following the order of operations.
____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 6. Do you get the same answer as you did above in Number 2? _____________ 7. Explain why or why not. ______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ ____ Part 2: Now try this one: Take the number of your birth month. Add 32. Add the difference between your birth month number and 12. Divide by 4. Add 2. This is your Lucky Number! 7. Do you feel lucky? _________ 8. Why or why not? ________________________________________________ 9. How do you think this performance task may relate to equations and/or inequalities? _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ ___
Part 3: Work with a partner to write your own Number Trick. Be sure to list your instructions in the appropriate order. _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _______