1. Factors – Tarsia Jigsaw
Students (individually or in pairs) should cut out the individual
triangular pieces and then complete the jigsaw.
It is recommended students only start gluing when they have a complete jigsaw
to ensure they are correct.
Instead of cutting pieces out, students could simply match questions and answers.

2. Printing To print handouts from slides -
Select the slide from the left. Then click:
File > Print > ‘Print Current Slide’
To print multiple slides -
Click on a section title to highlight all those slides,
or press ‘Ctrl’ at the same time as selecting slides to
highlight more than one. Then click:
File > Print > ‘Print Selection’
To print double-sided handouts -
Highlight both slides before using ‘Print Selection’.
Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

3. Match the number with its factors,
Tarsia Jigsaw
Can you finish
the puzzle?
Match the number with its factors,
then complete the
missing numbers!

5. Puzzle pieces to print.

6. Answers
10, 20
15, 20, 30, 60 10
20, 50, 100
12, 24
16, 32 25 29
4, 8
15, 45
5, 15
3, 35
3, 27
14, 28
8, 16
12, 18, 36
10, 15, 30
2, 34

7. tom@goteachmaths.co.uk Questions? Comments? Suggestions?
…or have you found a mistake!?
Any feedback would be appreciated .
Please feel free to