1. 1 Digit Decimals – Adding & Subtracting – Spot the Mistake
Students need to check adjacent questions and answers for mistakes
and then correct them.
It is not necessary to tell students how many mistakes they need to find.
The worksheet is in a variety of sizes/formats.

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. contains some mistakes!
The triangle
contains some mistakes!
Can you find them all?

4. Can you find the mistakes? Correct them when you do!

6. Two worksheets to print.

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