Hands on Kindergarten Addition - Fun math activity for kids. Could be used for fractions in older grades.
Twinkl Resources - making and creating teaching resources made easy for the classroom teacher or stay at home parent
Length, Measurement & Patterning with Playdough Snakes. Hands-on, Playful Maths for kids. My kids' play dough snakes never looked this cool! Have to try the additions.