Error Analysis / Spot the Mistake Task Cards for Written Multiplication Methods

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7.67 MB   |   66 pages

PRODUCT DESCRIPTION

Want your students to practise the grid method and formal written methods for multiplication but want something more than just boring calculations? Look no further! Included in this package are 32 tasks cards each with 2 spot the mistake tasks to engage, enrich and extend understanding of the grid method and formal written methods for TUxU and HTUxU.

There are 8 tasks for each type of method so work can differentiated across the class depending on their ability and understanding of the different written methods. They could also be used into conjunction with manipulatives and resources.

8 calculations for each method, 2 on each sheet. Each calculation has an error – wrong multiplication fact, incorrect addition, amounts not carried to the next column etc. Students can identify what is the error, explain clearly the mistake and suggest advice as if they were the teacher. Finally the correct calculation can be written.
There are 4 different written methods for TU x U, grid method and formal written methods. 4 different written methods for HTU x U – grid method and formal written methods.
All xU are x3, x4 or x5 so students concentrate on the method rather than the multiplication facts.

The task cards have been made so that they are easy to photocopy and use.
They could be enlarged for those who need more space for their writing.
They could be used as an activity for individuals or students could work in a group of 4 and each complete the first box and then pass to the person on their left, complete the next section and pass again until all the sections are completed. The first box could be used just on its own and students just spot the mistake and write the correct answer in their books – the possibilities are endless! Answers are included.
Total Pages
66
Answer Key
Included
Teaching Duration
30 Minutes

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Error Analysis / Spot the Mistake Task Cards for Written M
Error Analysis / Spot the Mistake Task Cards for Written M
Error Analysis / Spot the Mistake Task Cards for Written M
Error Analysis / Spot the Mistake Task Cards for Written M