Arrange the ornaments in the box so that no more than
three are in any line horizontally, vertically or diagonally.
Teacher: There are also selfchecking versions of this activity for different sized grids:
2 by 2
3 by 3
4 by 4
5 by 5
Topics: Starter  Puzzles  Xmas
You can find many more ChristMaths activities at:
How did you use this starter? Can you suggest
how teachers could present or develop this resource? Do you have any comments? It is always useful to receive
feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
Click here to enter your comments.
If you don't have the time to provide feedback we'd really appreciate it if you could give this page a score! We are constantly improving and adding to these starters so it would be really helpful to know which ones are most useful. Simply click on a button below:
This starter has scored a mean of 3.3 out of 5 based on 302 votes.
Previous Day  This starter is for 11 December  Next Day
There is a printable worksheet to go with this activity.
Your access to the majority of the Transum resources continues to be free but you can help support the continued growth of the website by doing your Amazon shopping using the links on this page. Below is an Amazon search box and some items chosen and recommended by Transum Mathematics to get you started.
Teacher, do your students have
access to computers? 

Here a concise URL for a version of this page without the comments.
Transum.org/go/?Start=December11
Here is the URL which will take them to a related student activity.
OR
Investigate other sized ornament boxes using a spreadsheet.
Use "1" to represent an ornament in the box.
Set up row and column totals to check whether your solution is correct