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Numbers & Math · Full game guide

FractionNavigator

See, place, compare, and solve fractions across 14 named problem types.

FractionNavigator is an untimed fraction game. Depending on the task, your child reads a visual model, places a fraction, reorders values, or chooses an answer. The interaction changes with the fraction idea being practised. Foundation play begins at Levels 1-5; the 14 named types span Levels 6-85 and progress from models and magnitude to operations, conversions, ratios, and multi-step situations.

14 different fraction types
Models, magnitude, comparison, equivalence, operations, conversions, ratios, and word problems use distinct task structures.
Place, order, or choose
Number-line and ordering tasks use direct manipulation; other tasks use choices based on common fraction errors.
Untimed practice
The child can inspect the exact fractions and open task-specific help without a countdown.
Level range
Levels 1-5 foundation · 14 named types across Levels 6-85
The complete move

See one complete FractionNavigator problem

In the app, the action matches the fraction task: identify a shaded model, place a fraction, reorder values, or choose an answer.

  1. 1

    Read the fraction task

    At Levels 1-5, the app uses the foundation deck. From Level 6, it chooses among the named types available at the child's level.

  2. 2

    Use the matching interaction

    The child chooses, places, or reorders instead of forcing every task into one format.

  3. 3

    See the exact correction

    A miss reveals the correct answer, position, or order; choice problems can open steps using the same fractions.

Where this example comes fromFractionNavigator app problem builder
Example levelGrade 1 · Level 6 of 85
FractionNavigator Problem screen. This shape is divided into equal parts. What kind of parts are they?

This example stays the same on the website so you can compare it. The app creates new problems during play.

The complete fraction catalog

All 14 types, each with an early and later structure

Every comparison uses an app-created problem at the stated level. The later example changes the task structure, operation, representation, or number of reasoning steps, not only the size of the numbers.

01 / 14

Part-whole models

Connect visible equal parts to the fraction they represent.

Appears at Levels 6-20
What changes

Counting colored parts in one model becomes comparing the fraction shown by two different models.

Part-whole models · Later challenge · Level 20 The child is viewing the task before submitting an answer.

Read this exact example

Part-whole models · Later challenge · Grade 3 · Level 20 of 85

What the child is solving
Which fraction is equivalent to 2/3?
What counts as correct
4/6
4/6Correct answer
3/2
2/6
3/6
Why this answer works
Let's find an equivalent fraction for 2/3. Here is the equivalent fraction rule. Multiply the top AND the bottom by the same number. The value stays the same.
How to read this screenshot

The child is viewing the task before submitting an answer.

Choose an example to compare
Where this example comes fromFractionNavigator app problem builder
Example levelGrade 3 · Level 20 of 85
FractionNavigator Problem screen. Which fraction is equivalent to 2/3?
Task, miss, explanation

The correction follows the interaction that carried the answer

A choice problem can open exact solving steps. A placement or ordering miss reveals the correct position or sequence rather than pretending it was a multiple-choice task.

  1. 1

    Build the task in its own format

    The problem keeps the model, number line, order list, or answer choices that belong to that fraction task.

  2. 2

    Check the matching response

    The app checks the selected answer, how close a placement is, or whether the full order is correct.

  3. 3

    Return task-specific help

    Explanations reuse the same fractions; placement and order tasks reveal the correct position or sequence.

Where this example comes fromFractionNavigator app problem builder
Example levelGrade 5 · Level 30 of 85
FractionNavigator Wrong-answer feedback. 7/8 − (1/8 + 2/8) = ?
  1. By the order of operations, parentheses first! Always solve what is inside the parentheses before anything else. All fractions share the same denominator (8), the bottom number — eighths — so just work with the numerators (top numbers) and ignore the bottom.
  2. Step 1 (inside the parentheses): 1 + 2 = 3. The group inside equals 3/8.
  3. Step 2 (outer subtraction): now subtract the numerators: 7 − 3 = 4. The denominator stays 8 because the piece size did not change. That gives 4/8.
  4. To simplify, find a number that divides evenly into both 4 and 8. The largest is 4. Divide top and bottom by 4: 4 ÷ 4 = 1, 8 ÷ 4 = 2. So 4/8 = 1/2.
  5. Watch out: without the parentheses, going left to right would give a different answer (7 − 1 + 2 = 8), so the grouping matters!
How the challenge changes

What genuinely changes across the full level path

The comparisons add new rules, operations, representations, interactions, and reasoning steps. Larger numbers or longer item lists alone are not treated as proof that a challenge is harder.

Grade 1 · Level 6 of 85

Read a visual fraction

This shape is divided into equal parts. What kind of parts are they?

The Level 6 example connects colored equal parts to the fraction they show.

Grade 5 · Level 26 of 85

Operate across denominators

You ate 1/2 of the pie. Your friend ate 3/4. Total eaten?

The Level 26 example requires a common denominator before the fractions can be added.

Grade 7 · Level 40 of 85

Order several values

Order from least to greatest: 7/10, 10/12, 3/8, 2/8

The Level 40 example compares four fractions instead of deciding one pair.

Olympiad / Honors Synthesis · Level 85 of 85

Model simultaneous rates

The irrigation tank starts 1/5 full. Inlet A fills 1/3, inlet B fills 1/8, and inlet C fills 1/12 per hour while outlets D and E drain 1/6 and 1/10 per hour. During those 2 hours, 1/10 of a full irrigation tank is also drawn off. What fraction of the irrigation tank remains?

The Level 85 example combines several fill and drain rates with an additional amount removed.

Why this practice matters

What the child is practising in the visible task

These are bounded practice goals tied to the actions shown above, not promises that one game replaces teaching or proves mastery.

Build fraction magnitude

Models and number lines connect a written fraction with how much it represents.

Connect representations

Equivalent fractions, decimals, percents, and mixed numbers are compared and converted in both directions.

Choose the needed operation

Arithmetic and word problems ask the child to identify the fraction relationship before calculating.

Reason with ratios and rates

Later tasks extend fraction structure into proportions and multi-stage rate situations.

This guide and the Braincove app

Fixed website examples, fresh app practice

The iPhone screenshots in this guide show reviewed examples checked against the app's current problem and answer rules. Use the controls to compare exact app states; the screenshots stay fixed so families can inspect them. At launch, the app will create new practice at the child's own level. Viewing this guide does not change app progress or earn anything toward a Screen Time unlock.

iPhone app screenshots

Use the controls to compare fixed problem and mistake or explanation screenshots. Viewing them does not change app progress or award access points.

Full Braincove app at launch

Fresh FractionNavigator tasks follow the child's level and available types. Parents can change the number of problems in a session and choose whether eligible completed app sessions contribute toward the Screen Time unlock rules they set. Core practice can continue through a temporary connection gap; family sync, Daily, homework, and cross-device updates still need connectivity.

Get the app launch email