One particular unique set of cards concentrates on symmetry, in which kids match one half of a butterfly to the opposite, maximizing their idea of symmetrical designs. Students could however use number lines, hundreds charts, fingers or other help strategies should they need to have them to unravel these difficulties. https://butterfly-matching-game-o08392.blogmazing.com/33341969/the-2-minute-rule-for-butterfly-matching-game-digital-version