NumIO math adventure

Solid Shape Workshop

Build storage boxes and wrap every face without leaving a gap.

Learning goal

Find volume and surface area of cubes and cuboids.

Skills you will practise

  • Volume of solids
  • Surface area of solids

How to play

Read the short story, explore the visual model, and complete five untimed questions. Use the hint when you need a new way to think.

Classroom idea

Ask the learner to explain the model or strategy before choosing an answer, then celebrate a clear explanation as well as a correct result.

Frequently asked questions

What grade is “Solid Shape Workshop” for?

“Solid Shape Workshop” is a Grade 6 Math lesson in NumIO. It practises: volume of solids, surface area of solids.

How does the “Solid Shape Workshop” mission work?

Each mission has five untimed questions. If an answer is not right yet you can try again, and the hint button offers another way to think.

Is “Solid Shape Workshop” free, and do I need an account?

Yes, it is free and there is no account or sign-up. Progress is saved in this browser, so you can come back and continue the mission later.

Back to the adventure map

Elementary math curriculum

First discoveries

Level 1

  • Tens and Ones to 100 — Read two-digit numbers and see how tens and ones build each number.
  • Twenty-Step Addition — Add and subtract within twenty, including missing parts of an equation.
  • Compare and Complete — Compare numbers with words and signs, then complete a missing-number equation.
  • Shape and Place — Name familiar shapes and describe where objects are using position words.
  • Measure and Tell Time — Compare lengths, measure with a simple unit, and read an hour on a clock.
  • Patterns and Groups — Continue repeating patterns, sort objects by a feature, and read a small count.

Level 2

Level 3

Level 4

Level 5

Level 6