At least it was in some students' range of possibilities!

Student: 'We need to check it.'

Some more big factor trees, created in pairs, using a calculator where useful.

The finished factor three

- now that I look at these like this, it could be a good 'Which one doesn't belong?' for next week! #wodb

One student, M, asked if we could make a really big factor tree for the classroom wall. I suggested we start with the prime factors - which the class chose - and multiply them all together with a calculator. We plan to make the tree next week. Watch this space...

Nice. Here's a similar one from my #wodb collection
goo.gl/photos/xL8tG...

There's lots more of these here. I think we should do another one soon. #wodb
en.wikipedia.org/wiki/Interna...

This thread reminds me of activities we've developed and called Excursions: www.terc.edu/mathequityfo...

... and my students from India got to share their writing in Kannada and Tamil. One of them watched The Man Who Knew Infinity at home too!

and by exploring partitions...

... we could follow it up by exploring how an infinite series of fractions... adds up to 1.

@standehaene.bsky.social What I don't understand (I can't access the article) is that by 1st Grade (6,7 yos) children have already been in maternelle since age 3, or before. Is the comparison between 1st Grade and before maternelle begins?

Here's some more: there's a dodecahedron with a cube hole inside that folds to be a cube with a dodehedron hole inside.
seekecho.blogspot.com/2014/11/two-...

It got adorned with triangles after that!