Saturday, February 13, 2016


Fun with Numbers
Write on index cards for your math center or give to the class orally for Fun Friday!!!

Paddy Number 1


Choose any number                                                                34
Multiply by 9                                                                       34x9=306
Add the numbers in the products                                              3+0+6=9
The sum of the number can be divided by 9 without a remainder     9/9=1



Paddy Number 2
Choose any number                                                             15
Multiply by 5                                                                     15x5=75       
Add 6 to the product                                                            75+6=81
Multiply the sum by 4                                                          81X4=320
Add 9 to the product                                                            320+9=329
Multiply the sum by 5                                                          329X5=1,645
Cross off the last 2 digits                                                     16
Subtract 1 from the results                                                   16-1=15
(The answer should be the number you stated with.)

No comments:

Post a Comment