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General Information
Aligned Standards
This vetted resource aligns to concepts or skills in these benchmarks.Suggested Tutorials
Help Astronaut Archimedes teach the alien students to show numbers using place value and equations in this interactive tutorial.
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.
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.
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.
Astronaut Archimedes launches into space to teach the outside world all about place value and expanded form in this interactive tutorial.