Edit in JSFiddle

var app = angular.module("MiApp", []);

function MiPageController($scope) {
    $scope.mostrar = false;
}

<body ng-app="MiApp" ng-controller="MiPageController">
    <input type="checkbox" ng-model="mostrar">¿Mostrar?
    <div ng-show="mostrar==true">Mostramos el div</div>
</body>