### General Information

**Subject Area:**Mathematics (B.E.S.T.)

**Grade:**3

**Strand:**Number Sense and Operations

**Date Adopted or Revised:**08/20

**Status:**State Board Approved

Multiply a one-digit whole number by a multiple of 10, up to 90, or a multiple of 100, up to 900, with procedural reliability.

*Example:* The product of 6 and 300 is 1,800.

Course Number1111 |
Course Title222 |

5012050: | Grade Three Mathematics (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current)) |

7712040: | Access Mathematics Grade 3 (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2022, 2022 and beyond (current)) |

5012055: | Grade 3 Accelerated Mathematics (Specifically in versions: 2019 - 2022, 2022 and beyond (current)) |

5012015: | Foundational Skills in Mathematics 3-5 (Specifically in versions: 2019 - 2022, 2022 and beyond (current)) |

Access Point Number |
Access Point Title |

MA.3.NSO.2.AP.3 | Explore multiplying a one-digit whole number by 10. |

Name |
Description |

Packages of 50 | Students consider the solution to a multiplication problem and explain their thinking. |

Multiplying by Multiples of Ten | Students are asked to explain how the knowing the product of nine and three can help in finding the product of nine and 30. |

Explaining Multiplication Using Multiples of Ten | Students are asked to explain why, when multiplying by a power of 10, the product has a zero in the ones place. |

How Are These Two Problems Related? | Students are asked to consider how using an easier, known fact could help them solve a related multiplication problem with a multiple of 10. |

Name |
Description |

Rockin' Road Trip MEA | In this model-eliciting activity (MEA), students will work together to determine the best bus for a class trip. Students will be able to decide between several buses with varying capabilities and costs while practicing their application of multiplying one-digit whole numbers by a multiple of ten. Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom. |

Reading is Fun! | In this MEA, students will work in groups to rank books using the following criteria: price, genre, number of pages, reading level and a summary provided for each book. The students must calculate the price for a class set of each book by multiplying each price by 20 students. There is a budget of $100. Students are then given a new budget and a new criteria and asked to re-evaluate their decision. Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom. |

Peace Love Baseball | Batter Up!!! Help the Peace Love Baseball Championship find a home!!! In this interactive Model-Eliciting Activity (MEA), the students will successfully multiply one digit whole numbers by multiples of 10. The students will also work collaboratively to express their opinions, while considering those of their peers. Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom. |

Multiply by Multiples of 10 with Number Cubes | In this lesson students will use various strategies to multiply one-digit numbers by multiples of 10 within the range of 10-90. The strategies will encompass the Distributive, Commutative, and Associative properties, place value, number lines, base-ten blocks, diagrams, hundreds chart. Students will play a game with number cubes to practice this multiplication. |

Name |
Description |

Multiplying By Multiples of Ten: Part 2 | Learn to multiply by multiples of ten, in this interactive tutorial! This is the second tutorial in a two-part series. . |

Multiply By Multiples of Ten: Part 1 | Learn how to multiply a 1-digit number by ten using a pattern to help you. This interactive tutorial is Part 1 in a two-part series about multiplying by multiples of ten. |

Name |
Description |

Multiplying By Multiples of Ten: Part 2 : | Learn to multiply by multiples of ten, in this interactive tutorial! This is the second tutorial in a two-part series. . |

Multiply By Multiples of Ten: Part 1 : | Learn how to multiply a 1-digit number by ten using a pattern to help you. This interactive tutorial is Part 1 in a two-part series about multiplying by multiples of ten. |