Unlock addition facts to 20 with this set of innovative self-correcting locks and keys.
Choose a key and solve one of the 2 equations printed on it (front and back) then find the lock with the answer.
If it is correct the key will turn and the lock will open.
Each set includes 20 locks and 39 keys.
Size: locks 8cm.
Code:
Showing our 1 review for Addition Number Locks. Write a review
Review Summary - 5 out of
5
based on
1 rating.
February 1, 2020 | Paul Smith
Useful independent practical resource
These are a fun practical resource for children to use when doing a lesson on addition. It is useful to use cubes (counting equipment) or a number line alongside them so the children are working out the answer and not just guessing before hand.
