standard_description: Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.
problem_activity: Problem 1
The following picture graph represents how much time Jasmine spends exercising during the week.
[IMG]
How many minutes did Jasmine spend exercising during the week?
Problem 2
This bar graph shows how long, in minutes, four people spent reading over the weekend.
[IMG]
How many fewer minutes did Fred and Tomoko spend reading than Simon and Rosario?


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