1 | How many groups of marbles do you count? [1] | | | |

1 | How many groups of marbles do you count? [2] | | | |

2 | How many groups and marbles do you count? [1] | | | |

2 | How many groups and marbles do you count? [2] | | | |

3 | How many groups and marbles per group do you count? [1] | | | |

4 | How many groups and marbles per group do you count? [2] | | | |

4 | Counting groups and marbles (mixed) [1] | | | |

5 | Counting groups and marbles (mixed) [2] | | | |