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.
1 kg or 900 g? Nine hundred is more than one, and still the kilogram is heavier. The two sides are close and in different units, so the answer comes from converting, not from counting digits.
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.
Select table rows by a condition and list them in the right order. Every value is on the sheet.
Grades 1–2See small groups of dots at a glance, write their counts and compare two pictures.
Grades 1–5Complete a route through a round number, compare two routes and find the one with a mistake.
Grades 3–5Round to estimate a sum, bound it from below and above, then check with the exact calculation.
Grades 3–5Find a shortest route along the grid, describe it with compass directions and turn segments into metres.
Grades 4–5Read group counts from a pie chart with equal sectors. In the challenge, find the whole from one group.
The same ground, on a tablet. The sheets are free and will stay free; the apps are how we make a living.
Reading, Year 1
The genetic method: hear the sound, meet the capital letter, read the first word. Czech and Slovak, with Bubo the owl.
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.
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.