How about this version with no numbers in the key?
Here is a completed example for extra help
About This Worksheet
Additions maths exercise.
Draw decorations on the tree, so that when added together,
the total values should equal the number in the box at the bottom of the tree.
A way of building in mathematics and Christmas.
A bonus for early finishers, as homework or online extra fun things to email and print
There is now a version 1b which is a little bit more editable.
Age range 5-8
You could buy..