I love combining great math with technology.  If that sounds good to you, too, you’ll want to check out DreamBox Teacher Tools.

Check out this interactive rekenrek.  Use the Show Card and Hide Card buttons to flash cards for the students, who tell you the number they saw represented.

Here’s a matching game for combinations of 10.

In this 2nd grade game, students try to prove equivalencies for 20.

Students can show their strategies for adding on an open number line.  LOVE this one!!

Speaking of number lines, this activity has students place fractions on a number line.

Fabulous, don’t you think?  Especially when it’s FREE. 🙂

Subitizing Cards Perceptual and Conceptual

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