# Base Ten System - Why We Have Rules

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### Attachments

Accessible Version Accessible version of the tutorial content in PDF format

### General Information

Subject(s): Social Studies
Intended Audience: Students
Keywords: rules, base ten, counting, video, mathematics, history, civics
Instructional Component Type(s):
Resource Collection: STEM Civics Tutorials and Videos - Grades K-12

## Aligned Standards

This vetted resource aligns to concepts or skills in these benchmarks.

## Suggested Tutorials

Exploring Equations in Space:

Help Astronaut Archimedes teach the alien students to show numbers using place value and equations in this interactive tutorial.

Block Building Blast - Part 3:

Help Amari, Sonia, and their friends compose and decompose 2-digit numbers in equivalent ways to compete in a base ten block building contest with this interactive tutorial.

This is part 3 of 3. Click below to view the other tutorials in this series.

Part 1

Part 2

Part 3

Block Building Blast - Part 2:

Explore ways to break apart 2-digit numbers into tens and ones to help Amari and Sonia build base ten block towers in this interactive tutorial.

This is part 2 of 3. Click below to view the other tutorials in this series.

Part 1

Part 2

Part 3

Block Building Blast - Part 1:

Help Amari and Sonia build base-ten block towers using their knowledge of 2-digit place value in this interactive tutorial.

This is part 1 of 3. Click below to view the other tutorials in this series.

Part 1

Part 2

Part 3

Exploring Expanded Form in Space:

Astronaut Archimedes launches into space to teach the outside world all about place value and expanded form in this interactive tutorial.

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