Sources of Good Problems

1 Favorite problems
Date: 1982 Grade: 5 - 7
Cost: Out of print ENC#: 011416.

2 Super problems
Date: 1982 Grade: 7 - 9
Cost: Out of print ENC#: 011447.

3 Logic algebra problems
Date: 1990 Grade: 9 - 12
Cost: 11.95 ENC#: 011448.

4 Logic geometry problems
Date: 1993 Grade: 9 - 12
Cost: Out of print ENC#: 011453.

5 Set Enterprises home page
Date: 1997 Grade: 3 - 12
Cost: Free ENC#: 013513.

6 Problem of the week homepage
Date: 1998 Grade: Kindergarten - Post-secondary
Cost: Free ENC#: 013752.

7 Shack's math problems
Date: 1999 Grade: 9 - Post-secondary
Cost: Free ENC#: 010769.

8 MathsNet
Date: 1998 Grade: 6 - 12
Cost: Free ENC#: 011456.

9 Networking projects
Date: 1998 Grade: 7 - 12
Cost: Free ENC#: 011990.

10 The Factory deluxe: strategies in problem solving
Date: 1997, 1998 Grade: 4 - 8
Cost: 89.95 ENC#: 011765.

11 Games for number sense
Date: 1998 Grade: 1 - 2
Cost: 21.95 ENC#: 009708.

12 Group solutions, too!: more cooperative logic activities for grades K-4 teacher's guide
Date: 1997 Grade: Kindergarten - 4
Cost: 21.00 ENC#: 011642.

13 Logic number problems
Date: 1987 Grade: 7 - 12
Cost: 11.95 ENC#: 011375.