Free the superheroes by unlocking their padlock with the correct key - one less focus - EYFS.
Love this idea for teaching part, part, whole with addition.
Add scales to your nature table - awesome idea!
Learn with Play at home: Fun Bottle Top Addition Game. Playful Maths
Kathy Griffin's Teaching Strategies: 100th Day of School Activities
One More One Less printable game
one less dice game - could also make one more, and adapt it to be a bit harder for third graders
Interactive numicon number line
Number bonds to 10 display board