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.
Free forever · No credit card · iPhone & Android

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
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
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.
Here's what playing it feels like
A real question from this course. Take your best guess.
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.
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
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
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
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 about The 5th Grade Explorer's Handbook
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.
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.
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.
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.
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.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
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.
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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.