Mathematical Christmas Tree Mathematical Christmas TreeDescription and Materials Description This puzzle is based on the “Triangle with a Difference”. You can play with it using paper and pencil or printing out our Christmas template. Materials Cards Pencils Template here Instructions INSTRUCTIONS Cut out your Christmas tree decorations Hang your ornaments on the tree Place the numbers 1 to 15 so that each ball ornament is the difference between the two ornaments immediately below it, to left and right. The first three ornaments have been done for you. 5 is the difference between 9 and 4. (9 – 4 = 5) Discuss strategies Check out this link for extensions: https://www.mathsweek.ie/2021/maths-at-home-activities/#activity15triangle Please, share your creations on twitter using the #adventSTEAM We are looking forward to seeing what you’ve created! Back to Advent CalendarWhat’s behind? STEM tips What’s behind? STEM tips This card game involving subtraction will have participants develop their problem-solving strategies. By |2020-12-16T16:40:16+00:00|Categories: ADVENT|Tags: #maths, Advent, adventSTEM, Puzzle, STEAM|Comments Off on Mathematical Christmas Tree Share with Social Media :) FacebookTwitterRedditLinkedInTumblrPinterest About the Author: Related Posts Digital animation Digital animation Christmas Orchestra Christmas Orchestra Santa’s Path Santa’s Path Pop-up Comet Pop-up Comet Christmas Carols with Scratch Christmas Carols with Scratch Alive for Christmas Alive for Christmas