Useful Links:

www.renzullilearning.com

www.bookadventures.com

www.spellingcity.com

Place Value

Place the Penguin

http://www.bbc.co.uk/schools/starship/maths/games/place_the_penguin/small_sound/standard.shtml

Using base 10

http://www.edbydesign.com/btcount.html

Cookie Dough

http://www.funbrain.com/numwords/index.html

Reading and Writing Numbers

Expanded Form

http://www.aaamath.com/B/g21d_px1.htm

Big Numbers

http://www.mathcats.com/explore/reallybignumbers.html

Addition with Regrouping

2 digits

http://www.dositey.com/addsub/as85/add5ar.htm

Adding 2 digits

http://www.dositey.com/addsub/add2basic.html

3 digit addition

http://www.dositey.com/2008/addsub/add3dig.htm

Basic Facts

addition

http://www.vrml.k12.la.us/cc/math/grade/LINK/add/all.htm

addition

http://www.amblesideprimary.com/ambleweb/mentalmaths/additiontest.html

Farm Addition

http://funschool.kaboose.com/?g=add1_chick_ds1&t=j&w=620&h=360

subtraction

http://www.dositey.com/addsub/memorysub.htm

addition

http://www.dositey.com/2008/addsub/addex1.htm

Fact Families

http://www.ezschool.com/Games/FactFamily1.html

addition and subtraction fact monster

http://www.factmonster.com/math/flashcards.html

Rounding

hundreds

http://www.bbc.co.uk/education/mathsfile/shockwave/games/roundoff.html

estimating sums

http://www.aaaknow.com/est27bx2.htm

estimating differences

http://www.aaaknow.com/est28bx2.htm

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