ThinkTen
Settings

Settings

Choose how ThinkTen looks, how you answer, and how much voice support you want.

Appearance

Choose a look

This changes the game visually only.
Play

How do you want to work?

Learn

Learn how to make the numbers manageable

Do not hold the whole problem in your head. Work with one small change at a time.

ThinkTen tells you what the numbers are doing. You never have to remember the name of a move before you can use it.

ThinkTen rule: if a sentence makes you translate the instruction before you can do the math, the instruction is too complicated.
GIVEMove quantity; keep the total.
SLIDEMove both; keep the distance.
COPIESMultiplication means equal copies of the same amount.
HOW MANY?Division can ask how many equal copies make the total.
SHAREDivision can also split a total into equal groups.
How ThinkTen Shows the Thinking

Let the problem choose the clearest picture

You should not have to know what kind of learner you are. ThinkTen can choose the picture that best explains the next thought.

The concept wins. Addition may need a path. Multiplication may need groups. Fractions need equal pieces. ThinkTen does not force every problem into the same picture.
Choose a picture yourself

You can prefer a picture, but ThinkTen will still switch away from it when another picture is clearly easier to understand.

Post-answer Review Show the picture ThinkTen used after each correct answer.
Concept first. Preference second. Training and Show Me use the picture that explains the actual math. Your preference is used only when it still helps.
How the game works
The basic loop
1Hear or read the problem.
2If PREDICT appears, use odd/even only as a quick answer check.
3Change one thing at a time. When new numbers replace the old ones, let the old ones go.
4If you get stuck, press Show Me. ThinkTen should do more of the thinking, not repeat the question.
Why PREDICT?
Odd and even can tell you what kind of answer is possible. Use that only as a quick check; it is not another problem to solve.
Same kind → even   •   Different kinds → odd
Voice & feedback

Choose how much help you hear

Voice answers Let ThinkTen listen for spoken answers and training responses.
Microphone is off.
Voice input depends on browser support. Chrome or Edge usually provides the strongest experience.
Nothing is timed until you start the game.
ThinkTen

Ready when you are.

Start a round when you're ready. Settings and Training are available here whenever you want them. Nothing is timed until you press Start Game.

Level1
Round1
FocusMixed
Problems10
VOICE HANDS-FREE MIC OFF TAP ANSWERS FORGE CLASSIC
Think the ThinkTen way: transform the problem into a friendlier form, then solve.
Learner Intelligence

What ThinkTen is learning about you

Complete a few problems and ThinkTen will begin building a learning profile.

LEARNING
Evidence0
Strong0
Building0
Needs Support0
STRENGTHENING Not enough history yet ThinkTen is waiting for repeated evidence.
NEEDS ATTENTION Nothing identified yet A difficult round by itself will not label a weakness.
NEXT BEST PRACTICE Keep building history ThinkTen will recommend a focus when it has enough evidence.
No review is due yet.
See what ThinkTen is tracking
Clear progress and start ThinkTen fresh.
THINKTEN FRACTIONS
Start with meaning, not rules

A fraction is pieces of one whole.

First see the WHOLE. Then see how it was CUT into equal pieces. Then COUNT how many pieces you have. MATCH comes later, only when different piece sizes must be combined.

Current Stage

See a Fraction

STAGE 1

Rounds0
Problems0
First Try—
Stage1
Read a fraction this way
COUNTpieces you have
34
CUTequal pieces in the whole
One WHOLE · CUT into 4 equal pieces · COUNT 3
ThinkTen Fraction Language

Only four ideas

Rule for this system: if the picture does not make the idea clearer, ThinkTen should not add another rule yet.
FRACTIONS STAGE 1 Problem 1 of 10 Flow 0
SEE

Look at the whole.

LANGUAGE LENS
WHOLE first. Then CUT. Then COUNT.
ThinkTen Fractions

The picture is becoming the math.

First Try0%
Core IdeaCUT
Best Flow0
Stage1
DECIMALS STAGE 1 Problem 1 of 10 FOUNDATION Flow 0
SEE

One whole. Ten equal pieces.

LANGUAGE LENS
Decimals are fractions built from tens.
ThinkTen Decimals

The decimal is becoming a picture.

First Try0%
Core IdeaTENTHS
Best Flow0
Stage1
PERCENTAGES STAGE 1 Problem 1 of 10 FOUNDATION Flow 0
SEE

Percent means out of 100.

LANGUAGE LENS
Percent is another way to name part of a whole.
ThinkTen Percentages

Percent is becoming a clear part of a whole.

First Try0%
Core IdeaOUT OF 100
Best Flow0
Stage1
ThinkTen Training · LEARN IT

Current ThinkTen Focus

Training follows the focus and stage you selected. Nothing here is scored or timed.

Step 1 of 6
ThinkTen Competition

Live Duel

Create a room or join another player. ThinkTen shows when both players are online, ready, playing, finished, or disconnected.

Realtime Competition

Play Together

Find another player automatically or open a private room for someone you know.

Offline
↯
Automatic Matchmaking

Quick Match

No room code. ThinkTen finds another available player, connects both of you privately, and enables Live Chat.

PRIVATE ROOM Invite a specific person with a code

Create Room

OR

Join Room

Live Duel does not change adaptive progress.
Level 1 Problem 1 of 10 Mixed Focused Play ◆Flow 0 ◇Moves 0/3
Predict
Before you solve it, will the answer be odd or even?
Predict first. Then solve. Your prediction gives you a quick way to check the answer.
One thought at a time
47 + 8
WHAT TO DOLook at only the next change.
Tap your answer
Paused

Game paused.

The problem is hidden and the active timer is stopped.

Round complete

Well done.

Advance to the next level

WHAT YOU PRACTICED
You found the structure.
First Try—
Average Time—
Predict—
Pauses—
Why this matters: You are practicing ways to hold less in your head at one time.