SPACE ACADEMY · TRY, THINK, PLAY

Class 3: Mission data

Read keys and axes, update a data set and connect more than one result.

Play missionChapters

Try a quick challenge

Just a quick try. Not saved; no game rewards.

ExploreReading data

How many apples does the bar show?

246MangoesBananasGrapesApples
  1. 4
  2. 1
  3. 6
  4. 2
Need a hint?

Read the scale at the left, then compare the bar heights.

Answer & method
Answer D: 2

Apples reaches 2.

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ReasonReading data

How many more bananas are there in week 1 than week 2?

Week 1Week 2Pears38Oranges54Bananas72
  1. 5
  2. 2
  3. 9
  4. 7
Need a hint?

Read the number at the end of each bar, then add or subtract.

Answer & method
Answer A: 5

7 - 2 = 5.

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StretchReading data

Look at the table. How many fewer are there for Golds than for Pinks?

Goals scoredGolds12Greens58Pinks29Reds17
  1. 14
  2. 17
  3. 16
  4. 15
Need a hint?

Read the numbers from the table. Add or take away carefully.

Answer & method
Answer B: 17

29 − 12 = 17.

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For grown-ups

Ideas to practise

  • Reading data. Read the labels and the key before comparing or combining values.

A game mission has 8 untimed questions. Only the game saves choices and hints. A finished mission earns one launch charge and participation towards the Right scanner wing in Star Navigator. The chapter goal is 8 different questions in finished sets; hints and wrong answers count as participation, not mastery. Some craft systems link more than one chapter.

Choose a level

Explore

Foundations: read a representation and practise the underlying idea.

  • Read a pictograph with a key
  • Compare bars on a scaled chart
  • Add or compare bars on a bar graph
  • Add and compare numbers in a data table
  • Say which colour is most or least likely
  • Choose the true tally statement
  • Update a number in a data table
Play Explore

Reason

Paper-style reasoning: connect clues, interpret a diagram or work backwards.

  • Add or compare bars on a bar graph
  • Give away items and match a bar
  • Add and compare numbers in a data table
  • Say which colour is most or least likely
  • Compare two side-by-side bar charts
  • Compare bars on a scaled chart
  • Choose the true tally statement
  • Find two bars that make a total
Play Reason

Stretch

Higher-order practice: link conditions, test statements and avoid a tempting wrong method.

  • Give away items and match a bar
  • Find two bars that make a total
  • Add and compare numbers in a data table
  • Compare two side-by-side bar charts
  • Add or compare bars on a bar graph
  • Update a number in a data table
  • Read a pictograph with a key
  • Say which colour is most or least likely
Play Stretch

Levels change representations, clues and conditions, not just the numbers. These are practice formats, not validated exam-equivalent difficulty.

Using the feedback

Learning reports distinguish hinted answers from independent first choices. They consider up to 20 recent different, unhinted questions per skill and level, and wait for at least five before suggesting extra practice. Repeating the same question does not add evidence. Reports are practice evidence, not IQ scores, diagnoses, ranks or predictions of competition results.

Ask the learner to explain a drawing or check with objects too. Choose Explore or an earlier chapter when a step feels too large.

Sources & limits

The grade topics use SOF IMO Class 3 published topic syllabus as their primary reference. The SOF sample and CREST previous-year paper below informed representations and reasoning demands. Providers have different topic boundaries; their syllabi are not interchangeable.

Questions, diagrams, picture choices, hints and explanations are original Otterly work, not copied paper questions or publisher artwork. No Olympiad provider is affiliated with or endorses Space Academy. This is not complete exam preparation; follow classroom teaching and check the current official syllabus too. Independent educator review is still needed for difficulty and breadth.

Content and coverage notes. To report a confusing question, describe the grade, chapter, level and question on the contact page. Do not send children’s personal information.

Private, local saves

Game progress stays only in this browser, in three anonymous explorer slots. Clearing site data or closing a private session may remove it. Download a private backup from Help & saves; there is no cloud sync. The game checks saves before play and stops on save failures rather than pretending progress was saved.

These page examples never change a saved game. Game links carry question settings, not a learner’s answers. There are no names, school details, public profiles, chat, analytics or advertising SDKs in the game. Grown-up guidance · Privacy

Original Otterly practice, not an official exam. Game progress stays on this browser.