These activities are part of our Primary collections, which are problems grouped by topic.
![Measurement](/sites/default/files/styles/medium/public/thumbnails/content-id-13842-icon.jpg?itok=KY5PDccf)
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Measurement
These upper primary activities are all about measuring in different contexts from money to mass.
![Measurement](/sites/default/files/styles/medium/public/thumbnails/content-id-13843-icon.jpg?itok=1hm73vmq)
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Measurement
These lower primary activities are all about measuring. You'll find money, length and time here.