Place Value
Shark Pool- http://www.ictgames.com/sharknumbers.html
Ten and ones practice- http://www.ictgames.com/partition.html
Dino place value- http://www.ictgames.com/dinoplacevalue.html
Measurement
Measure It! http://www.funbrain.com/measure/index.html
Use a ruler http://www.apples4theteacher.com/measure.html
Multi-Use
Pete's Power Points http://www.pppst.com