ScienceThe BestieBeginner
The 5th Grade Explorer's Handbook, a free science course on Tomo

The 5th Grade Explorer's Handbook

Master the coolest skills of 5th grade by solving real-world mysteries. From decoding secret messages in stories to mapping out new worlds and calculating your way through a mission, you'll see how every subject connects.

Like Duolingo, but for The 5th Grade Explorer's Handbook. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.

A short one: 26 levels across 3 sections, about 52 minutes end to end, roughly 10 days at five minutes a day. It moves through Solve Problems Like a Pro, Investigate the World Around You, and Connect the Past to the Future. It starts from scratch.

26 bite-size levelsAbout 5 minutes each

Free forever · No credit card · iPhone & Android

Gus the Gear-Goat, the guide who teaches the 5th Grade Explorer's Handbook course
The 5th Grade Explorer's Handbook
with Gus the Gear-Goat
26
Levels
3
Sections
5
Min/day
What you'll learn

Key ideas in The 5th Grade Explorer's Handbook

  • Moving a digit one place to the left multiplies its value by 10
  • The hundreds place is exactly one position to the left of the tens place
  • Digits further to the left represent larger quantities
  • The sequence of place values increases by powers of ten as you move left
  • The furthest-left digit holds the highest place value
  • How moving a digit one place to the left changes its value
  • A single unit in a higher place value is worth more than any combination of digits in lower place values
  • The hierarchy of place value power from right to left
  • Physical reactions represent internal emotions
  • Context clues for physical reactions
  • Preparations and body language signal next moves
  • Predicting requires cause and effect
  • Inferences are formed by the formula: Text Clues + Schema (Background Knowledge)
  • The 'hidden meaning' is not literally on the page but is constructed by the reader
  • How to identify a character's internal feelings through their physical actions and dialogue
  • Mapping specific textual clues to the likely future actions of a character
Why not just Google it

You've tried the other tabs

Wikipedia

Thirty open tabs. Four facts you actually kept.

YouTube

You watched. You nodded. By Sunday it was gone.

ChatGPT

One answer, then back to scrolling.

Online courses

Eight weeks. You meant to finish. You didn't.

Tomo gives The 5th Grade Explorer's Handbook the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.

Try a question

Here's what playing it feels like

A real question from this course. Take your best guess.

The Ten-Times Power Jump

Which place value is located immediately to the left of the tens place?

Get it right to open this lesson and 25 more in the app.

Course map

How to learn The 5th Grade Explorer's Handbook, step by step

Go in order. 26 short levels across 3 sections, about 52 minutes in all, five minutes a day.

  1. 1

    Solve Problems Like a Pro

    • Cracking the Code of Big Numbers
    • Finding the Hidden Meaning in Stories
    • Measuring Your World with Decimals
    • How to Spot a Fact vs. an Opinion
  2. 2

    Investigate the World Around You

    • Why the Stars Move at Night
    • Navigating with Maps and Coordinates
    • The Secret Life of Ecosystems
    • How Land Changes Over Time
    • Mixing Chemicals Without the Mess
    • Reading Between the Lines of History
  3. 3

    Connect the Past to the Future

    • How Early Explorers Changed the Map
    • The Power of Fractions in Everyday Life
    • Why People Move to New Places

3 sections · 13 units · 26 levels. Built to play, not to enroll.

Questions

Questions about The 5th Grade Explorer's Handbook

  1. How do I learn The 5th Grade Explorer's Handbook?

    Go in order: start with Solve Problems Like a Pro, then Investigate the World Around You, then Connect the Past to the Future. On Tomo that's 26 short levels, about 52 minutes in all, played five minutes a day. Start free and play the first level in under a minute.

  2. Is there a Duolingo-style app for The 5th Grade Explorer's Handbook?

    Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. The 5th Grade Explorer's Handbook is one of its free courses, and you can type any other topic to get a course of your own.

  3. Is The 5th Grade Explorer's Handbook free?

    Yes. The 5th Grade Explorer's Handbook is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.

  4. How long does it take to learn The 5th Grade Explorer's Handbook?

    26 levels across 3 sections, about 52 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.

  5. Do I need any background to start The 5th Grade Explorer's Handbook?

    No. It's pitched at a beginner level, so it starts where you are and builds up. If you can tap a phone, you can start.

New

Tomo is in ChatGPT

Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.

Add Tomo to ChatGPT
How it's taught

You pick the voice

This course
The Bestie

The 5th Grade Explorer's Handbook is taught in the Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.

Keep going

More Science on Tomo

The Secret Life of Everything course icon

The Secret Life of Everything

Bestie

Discover how the world works by solving real-life mysteries. From decoding hidden messages in stories to calculating the speed of a falling apple, you'll learn to see the math and science hiding in plain sight.

26 levels52mBeginner
Finding Your Way Through the Stars course icon

Finding Your Way Through the Stars

Bestie

Learn to read the night sky like a map. Discover how to use famous constellations to find your way and why the stars change with the seasons.

24 levels48mBeginner
Stargazing and the Hidden Universe course icon

Stargazing and the Hidden Universe

Professor

Learn to read the night sky like a map and discover the secret messages hidden in starlight. From finding famous constellations to 'seeing' invisible radiation, you'll view the cosmos in a whole new light.

7 levels14mBeginner
Decoding the Universe course icon

Decoding the Universe

Bestie

Learn to read the messages hidden in starlight and understand the invisible forces that shape our cosmos.

12 levels24mBeginner
Mastering Motion: The Physics of Moving Things course icon

Mastering Motion: The Physics of Moving Things

Explain Like I'm 5

Stop just memorizing formulas and start predicting how the world moves. From launching projectiles to reading the hidden stories in graphs, you will master the language of motion used by NASA engineers and pro athletes alike.

165 levels5h 30mBeginner
Astronomy: Reading the Night Sky course icon

Astronomy: Reading the Night Sky

Explain Like I'm 5

Learn to read the sky like an astronomer, from locating planets with the naked eye to decoding the lifecycles of stars and distant galaxies. This course equips you with a solid working knowledge of how our solar system moves, how cosmic matter evolves, and how light reveals the shape of our expanding universe.

24 levels48mBeginner
Start free

Start The 5th Grade Explorer's Handbook today.

Download Tomo, search The 5th Grade Explorer's Handbook, and play your first lesson in under a minute.