Bubo
Reading, Year 1
The genetic method: hear the sound, meet the capital letter, read the first word. Czech and Slovak, with Bubo the owl.
Years 2–3
Pictures from numbers
Each row of the picture is written as numbers: how many white squares, how many coloured, how many white again. Colour them in and see. That is how a fax sent a picture, and where compression starts.
Curriculum profile
Applies suggested difficulty. Language and notation have their own settings. These are approximate teaching suggestions.
Type the code from a printed sheet to get that exact sheet back.
Starting the generator…
It downloads once and then works offline: 53 handwriting models are in there.
The preview is exactly what comes out of the printer: the same code draws both.
Puzzles and coding
Grades 3–5
Reusable instruction cards
Follow repeated calls of a named instruction card and fill in the value after each call.
Grades 4–5Changing values in named boxes
Track the current value of each named box after every instruction, including overwriting a value.
Grades 4–5Choose a test that finds the bug
Fill in what the correct rule and the buggy program answer, and circle the inputs that expose the bug.
Grades 2–5Enough information, missing information, contradiction
Decide whether the facts give one answer, allow several, or contradict each other.
Grades 3–5Build from front and side views
Write tower heights into a plan so the building matches both its front and its side view.
Grades 2–5Picture grids with crossing run clues
Use clues for both rows and columns to decide which squares are filled and which are empty.
What we are building
The same ground, on a tablet. The sheets are free and will stay free; the apps are how we make a living.
Numbernauts
Maths to twenty
Twenty-seven small games: counting, comparing, adding and taking away, number snakes and sum pyramids — and a robot you program a route for.
World Sort
Geography, once the numbers are easy
Sort countries by population or area, find them on the map, learn flags, capitals and anthems. For older children, and for adults.