Problem of the Week #22: March 31, 2008

Grade 6:
Find the next three numbers that fit the following pattern
3,7,10,17,27,44, 71, ___, ___, ___

Grade 7:
Find the next three numbers that fit the following pattern
2, 8, 4, 10, 5, 11, 5.5, ___, ___, ____

Grade 8:
Jill paid $ 5.55 for one notepad and 7 pencils. Anne paid $ 12.28 for three of the same notepad and two of the same pencils. How much does a notepad cost?

Grade 9:
Jane cashed her birthday cheque and decided to use the money for good causes. She gave 10% of her money to Safe Grad. From what she had left she gave one third to the Food Bank and gave the $72.00 that was left to the SPCA. How much did Jane give to Safe Grad?

Grade 10:
What is the smallest three-digit number you can obtain from the product of two or more distinct (not repeated) prime numbers?