Math journaling sentence starters...Great idea!
Oh Snap! addition game - freebie
Oh Snap! The Addition Fluency Game
Blog post includes FREE problem solving strategy posters that can be printed as full size posters or as small pictures to add to students' math interactive notebooks.
educationjourney: Math Workshop
Free Numbersearches! Choose a number, write it in the middle box. Kids search vertically, horizontally and diagonally to find addends that equal the number. In 2nd grade we use this for numbers 7-20 as we practice mental math strategies. It's a great "sponge" when you have a few spare minutes!
Free! Number Searches - Addition Facts
Addition or Subtraction cups! Such an EASY and FUN math center!!
Suzie's Home Education Ideas: Printable Place Value Slider
Miss Van Maren's Fantastic First Grade: Math Journals Update (pages that go with Go Math)
building shapes with cotton swabs - a shape recognition, math/geometry and fine motor activity that's perfect for preschoolers
A 3 digit addition game.
The Greatest | Activity | Education.com
How easy and quick to make this math station? by swampfrogfirst
Play Subtraction "War". Love this one! We already play a lot of cards so this will be a great variation!