Negative Numbers!

1) Primary Resources Negative Number Order
http://www.primaryresources.co.uk/maths/mathsB1b.htm
You have to put the hats on the children in order from smallest to largest good to review place value

2) Negative Numbers
http://www.cimt.plymouth.ac.uk/projects/mepres/book7/bk7i3/bk7_3i3.htm
Good for teaching uses number lines lots of practice problems can check immediately if correct or incorrect.

3) A Plus Math Negative Number Flash Cards
http://www.aplusmath.com/Flashcards/sub-nflash.html
Good for practice

4) Skillwise Negative Numbers
http://www.bbc.co.uk/skillswise/numbers/wholenumbers/whatarenumbers/negativenumbers/
From the BBC worksheets, instruction and a game for ordering numbers

5) A Simple Game
http://www.cs.utexas.edu/users/s2s/latest/addsub1a/src/welcome.html
Good for addition skills - can change adjust the difficulty level in "configure game"

6) Test Prep
http://www.oswego.org/mtestprep/topic8.cfm?TopicID=242
Printable worksheets for addition and subtraction

7) Addition and Subtraction of Integers
http://www.iit.edu/~smart/dvorber/lesson4.htm
Questions and explanations.

8) AAA Math - Addition of Negative Numbers
http://www.aaamath.com/B/add65_x2.htm (1 digit)
http://www.aaamath.com/B/add65_x3.htm (2digits)

9) AAA Math - Subtraction of Negative
http://www.aaastudy.com/sub.htm#topic54

10) Virtual Manipulatives - Adding Integers Game
http://nlvm.usu.edu/en/nav/frames_asid_161_g_2_t_1.html

11) Virtual Manipulatives - Subtracting Integers Game
http://nlvm.usu.edu/en/nav/frames_asid_162_g_2_t_1.html