Grade 3

Share the Headline Story with students. Encourage students to make a table to show possible numbers of marbles for each person.

Greg has twice as many marbles as Sonya. Anita has three times as many marbles as Sonya. Mark has as many marbles as Greg and Anita have together.

- Mark has 5 times as many marbles as Sonya.
- The table shows some possible numbers of marbles for each person:

Sonya | 2 | 1 | 10 | 25 | 7 |

Greg | 4 | 2 | 20 | 50 | 14 |

Anita | 6 | 3 | 30 | 75 | 21 |

Mark | 10 | 5 | 50 | 125 | 35 |

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