estimating

10 - 11 years

Back seat driver
10 - 11 years

Have a good trip!
10 - 11 years

Gardening gurus
10 - 11 years

Spectator school!
8 - 10 years

Ready for recipes
6 - 8 years

Shopping school!
6 - 8 years

Sowing the seeds
10 - 11 years

The power of equivalence
10 - 11 years

Problem? No problem!
8 - 10 years

Total recall
6 - 8 years

Measure up
6 - 8 years

A maths toolkit
4 - 6 years

Compare, compare, compare