In addition to the strategies listed, I have found some websites that also give great suggestions. They are About.com: Mathematics, Reading and Math Strategies, The Accent Center, and From Jim Wright: Intervention Ideas for Mathematics.
Here are the suggestions that I have given my teachers. If you have any other suggestions or links to great websites, I would love to see them. Please add them in your comments so I can share them with my teachers.
1. Use manipulatives to understand a concept.
2. Teach math vocabulary.
3. Use visuals and graphics to illustrate concepts to the students.
4. Have students make up their own word story problems.
5. Teach students how to use a calculator.
6. Teach money concepts using play money.
7. Teach time by using manipulative clocks.
8. Have students restate word problems in their own words.
9. Younger children can play sorting games.
10. Ask the student to tell the number that comes after (before, between) a designated number.
11. Give a pattern of numbers and ask students what comes next.
12. Use number lines.
13. Arrange by size and length.
14. Use flash cards, rolling dice, playing cards to teach computational facts.
15. Subtraction of 9s from teen numbers (16-9 = ?; 1+6 =7)
16. Puzzles cards with facts and answers on each piece
Original image: 'Little Professor Hand-held Calculator' http://www.flickr.com/photos/38565056@N00/15223525 by: jason toal