### Examples

*Example:*The product of 6 and 70 is 420.

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

### Clarifications

*Clarification 1:*When multiplying one-digit numbers by multiples of 10 or 100, instruction focuses on methods that are based on place value.

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

**Grade:**3

**Strand:**Number Sense and Operations

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

**Status:**State Board Approved

## Related Courses

## Related Access Points

## Related Resources

## Formative Assessments

## Lesson Plans

## Original Student Tutorials

## STEM Lessons - Model Eliciting Activity

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.

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.

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.

## MFAS Formative Assessments

Students are asked to explain why, when multiplying by a power of 10, the product has a zero in the ones place.

Students are asked to consider how using an easier, known fact could help them solve a related multiplication problem with a multiple of 10.

Students are asked to explain how the knowing the product of nine and three can help in finding the product of nine and 30.

Students consider the solution to a multiplication problem and explain their thinking.

## Original Student Tutorials Mathematics - Grades K-5

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.

Learn to multiply by multiples of ten, in this interactive tutorial!

This is the second tutorial in a two-part series. .

## Student Resources

## Original Student Tutorials

Learn to multiply by multiples of ten, in this interactive tutorial!

This is the second tutorial in a two-part series. .

Type: Original Student Tutorial

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.

Type: Original Student Tutorial