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Season 1: Place Value

Five investigations covering place value, number forms, rounding, and comparing numbers.

Episode 01 Understanding Place and Value of Digits Episode 02 Read and Write Numbers Episode 03 Compose and Decompose Numbers Episode 04 Round Numbers Episode 05 Compare and Order Numbers

Episode 05

Plot, Order, and Compare Numbers

Episode Chapters

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Head straight to your grade-level case, or explore the other fun moments from Detective Headquarters.

Teacher Shoutout 1:08 Get Today’s Cases from Millie 1:44 Case #1 – 3rd Grade 3:54 Millie in the World 8:50 Case #2 – 4th Grade 11:24 Case #3 – 5th Grade 14:56

Single Case Editions

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Case #1

3rd Grade

MA.3.NSO.1.3

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Print the student case so your math detectives can solve the problem before watching, then use the Benchmark Companion to explore additional McCarthy Math resources connected to the skill.

Print the 3rd Grade Student Case View the 3rd Grade Benchmark Companion

Case #2

4th Grade

MA.4.NSO.1.3

Ready to Use This Case with Your Students?

Print the student case so your math detectives can solve the problem before watching, then use the Benchmark Companion to explore additional McCarthy Math resources connected to the skill.

Print the 4th Grade Student Case View the 4th Grade Benchmark Companion

Case #3

5th Grade

MA.5.NSO.1.4

Ready to Use This Case with Your Students?

Print the student case so your math detectives can solve the problem before watching, then use the Benchmark Companion to explore additional McCarthy Math resources connected to the skill.

Print the 5th Grade Student Case View the 5th Grade Benchmark Companion

Keep the Investigation Going

Want More Resources for These Benchmarks?

The Benchmark Companions highlight McCarthy Math resources that can help you teach, practice, and assess these skills. Explore Teacher Memberships or School Licenses for access to the featured resources.

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For Families

Looking for Math Support at Home?

Looking for fun and engaging video lessons for your child? Want to better understand the Florida B.E.S.T. math benchmarks assessed on the FAST Math test?

Explore the McCarthy Math Academy Family Membership for engaging video lessons and resources designed to help your child build confidence and strengthen important math skills.

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