addsub

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 * [[image:mathsandelearning:Screen_shot_2011-06-20_at_8.19.53_PM.png width="202" height="145" caption="Screen_shot_2011-06-20_at_8.19.53_PM.png" link="@http://www.fun4thebrain.com/murb/murb.html"]] || [[image:mathsandelearning:Screen_shot_2011-06-20_at_8.23.56_PM.png width="228" height="159" link="@http://www.fun4thebrain.com/addition/dinodigadd.html"]] || [[image:mathsandelearning:Screen_shot_2011-06-20_at_8.33.32_PM.png width="231" height="168" link="@http://www.fun4thebrain.com/addition/snowmanadd.html"]]
 * ===Murbs Choose addition or subtraction and a monster to help you on the way === || === Can you dig it? Choose from a family of facts. Get the right answer to uncover the bones. === || ===Snowy Fun Collect items to dress a snowman while solving addition and subtraction problems. === ||
 * [[image:switched-onto-learning:5_Frame.png caption="5_Frame.png" link="@http://illuminations.nctm.org/ActivityDetail.aspx?ID=74"]] || [[image:room13ops:ten_frames.png caption="ten_frames.png" link="@http://illuminations.nctm.org/ActivityDetail.aspx?ID=75"]] || [[image:mathsandelearning:Screen_shot_2011-06-20_at_8.43.23_PM.png width="192" height="135" caption="Screen_shot_2011-06-20_at_8.43.23_PM.png" link="@http://www.fun4thebrain.com/addition/sketchadd.html"]] ||
 * ===Five FramesUse the five frame to help develop your counting and addition skills === || ===Tens FramesUse the ten frame to help develop your counting and addition skills === || ===Sketch'sWorldCollect paints and paper while solving addition and subtraction problems. === ||