teaching resource

Addition Detectives PowerPoint

Teach Starter Publishing
PowerPoint | 43 pages | Years: 3

An engaging 43-slide PowerPoint themed as a detective story in which students are tasked with using different addition strategies to uncover suspects.

A bank has been broken into, and a vast sum of money has been stolen. It is up to your students to use their mental addition strategies to uncover the suspects and solve the crime.

This PowerPoint includes seven ‘investigations’, each focusing on a different addition strategy. The investigations include an example of the strategy, a question, an answer and a suspect that is revealed. The story concludes with a final set of questions that reveal the innocent suspects and identify the criminal.

Use this teaching presentation as a consolidation task across multiple lessons to build excitement in the classroom, or solve the crime in one session as a whole class activity.

Addition strategies include:

  • concrete materials
  • bridging to ten
  • jump strategy
  • number boards
  • split strategy
  • linking addition and subtraction
  • compensation strategy.

To explore addition strategies in greater detail, take a look at the following teaching resources:

Image of Bridging to Ten PowerPoint

teaching resource

Bridging to Ten PowerPoint

A 14-slide PowerPoint that uses engaging animations to step through the 'bridging to ten' addition strategy.

Teach Starter Publishing14 pagesYear: 3
Image of Jump Strategy PowerPoint

teaching resource

Jump Strategy PowerPoint

An 11-slide, editable teaching presentation that focuses on the jump strategy.

Teach Starter Publishing11 pagesYears: 2 - 3
Image of Split Strategy PowerPoint

teaching resource

Split Strategy PowerPoint

An 11-slide teaching presentation that focuses on the split strategy.

Teach Starter Publishing11 pagesYears: 2 - 3
Image of Compensation Strategy PowerPoint

teaching resource

Compensation Strategy PowerPoint

A 17-slide teaching presentation that focuses on the compensation addition strategy.

Teach Starter Publishing17 pagesYears: 2 - 3

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