Ideas
One big idea, a rung for every age. Pick an idea and climb it — the same idea, met again in a new app as you grow.
- Chance Some things are likely, some are not — and you can measure how likely. 5 apps · 4 ages
- Evidence How do you know? A reason you can point at beats a guess. 5 apps · 4 ages
- Fairness A fair share, a fair turn, a fair rule — and what to do when it isn’t. 7 apps · 4 ages
- Patterns Find the part that repeats, and you can say what comes next. 5 apps · 4 ages
- Counting How many? One more, one less, and grouping in tens. 8 apps · 4 ages
- Parts of a whole A whole can be cut into equal parts — halves, quarters, and more. 5 apps · 4 ages
- Measuring Longer, heavier, later: comparing things with a unit. 5 apps · 4 ages
- Shape and space Turn it, flip it, fit it: shapes have rules you can feel. 5 apps · 4 ages
- Proof Showing something must be true, every time, not just this time. 4 apps · 3 ages
- Estimating A good guess first, then check how close you were. 4 apps · 4 ages
- Sounds and letters Letters stand for sounds, and sounds join into words. 7 apps · 4 ages
- Stories Something happens, someone wants something, and it changes them. 6 apps · 4 ages
- Words that mean A word is a tool: the right one says exactly what you mean. 6 apps · 4 ages
- Feelings Every feeling has a name and a because. 6 apps · 4 ages
- Taking turns You go, I go: waiting, listening, and playing fair together. 5 apps · 4 ages
- Plans First, then, next — and looking back at how it went. 5 apps · 4 ages
- Cause and effect If you do this, that happens — predict it, then watch. 4 apps · 4 ages
- Change Some changes go back, some stay — melting, cooking, growing. 4 apps · 4 ages
- Life cycles Living things are born, grow, change and make more of themselves. 5 apps · 4 ages
- The sky The Moon changes shape, the stars turn, and you can watch it happen. 6 apps · 4 ages
- Maps A map shows a place from above, so you can find your way. 7 apps · 4 ages
- Trading Give something, get something: a deal both sides like. 5 apps · 4 ages
- Rules and games A game is a set of rules — change one rule and you have a new game. 7 apps · 4 ages
- Rhythm A steady beat you can clap, and patterns that ride on it. 4 apps · 4 ages
- Singing in tune Find your note, hold it, and match it with someone else. 6 apps · 4 ages
- Code Give exact steps in order, and a machine will follow them. 5 apps · 3 ages
- Building places Make a place someone else can walk through. 6 apps · 4 ages
- Voting and choosing How a group decides, and why the way you count matters. 4 apps · 3 ages
- Who wants you to want it? Some words are trying to make you want something — notice how. 5 apps · 4 ages
- Folding paper Every fold is a mirror: bring one thing onto another and press. 7 apps · 4 ages
- Helping Noticing who needs a hand, and picking a kind thing to do. 4 apps · 4 ages
- Hiding and finding Something is hidden — use clues to find it with the fewest guesses. 7 apps · 4 ages
- Secret codes A code hides a message, and the right key unlocks it. 4 apps · 3 ages
- Sorting and searching Find the rule that sorts things, and the quickest way to look. 6 apps · 3 ages
- Money Earning, spending and saving — and what a price really means. 7 apps · 3 ages
- Forces and motion Pushes and pulls change how things move — and you can predict how. 7 apps · 4 ages
- Light Light travels, bounces and bends, and your eyes can be fooled. 4 apps · 3 ages
- Looking at art Slow down, notice one thing, and say what you see. 6 apps · 4 ages
- Sound Sound is a wiggle in the air: high or low, loud or soft. 5 apps · 4 ages
- Weather and climate Today’s weather is one day; climate is the pattern over many years. 4 apps · 3 ages
- Your body How your body is built, and how to look after it. 7 apps · 3 ages
- Animals and homes Every living thing fits a home: food, shelter and safety. 6 apps · 4 ages
- Long ago Long ago, a while ago, today — and how we know what happened. 5 apps · 3 ages
- Family stories Every family carries words, recipes and stories worth keeping. 7 apps · 4 ages
- Other languages Each language cuts up the world in its own way. 7 apps · 4 ages
- Spelling Hear a word, find its parts, and spell it. 5 apps · 4 ages
- Writing Plan it, draft it, fix it — writing is mostly rewriting. 6 apps · 4 ages
- Reading closely Read it again and ask: what does it really say? 8 apps · 4 ages
- Speaking up Say what you think so other people can follow it. 7 apps · 4 ages
- Reasons and arguments A good argument gives a reason and listens to the other side. 6 apps · 4 ages
- Remembering Remembering is a skill: pull the idea back out instead of re-reading. 6 apps · 4 ages
- Staying calm When a feeling gets big, you can slow it down. 8 apps · 4 ages
- Making it right Everyone slips up; the skill is the repair. 5 apps · 4 ages
- Thinking traps “Always” and “never” thoughts can be bent into truer ones. 4 apps · 3 ages
- Habits and promises A small promise kept every day grows into a habit. 6 apps · 4 ages
- Sharing rules Rules for sharing something so it lasts for everyone. 5 apps · 3 ages
- Making things Make it, test it, fix it, and test again. 6 apps · 4 ages
- Moving pictures Many still pictures shown fast make something move. 5 apps · 3 ages
- Designing games Make a game that someone else enjoys playing. 5 apps · 3 ages
- Growing food Seed, soil, water, sun — and what limits a harvest. 5 apps · 3 ages
- Finding the bug When it doesn’t work, find the one step that went wrong. 5 apps · 3 ages
- Multiplying Equal groups, again and again — and two ways to count them. 5 apps · 3 ages
- Data Collect it, chart it, and ask what it really shows. 5 apps · 3 ages