This lesson addresses the intervals of time portion of the following Common Core Standard:

CCSS.Math.Content.4.MD.A.2 Use the four operations to solve word problems involving distances, intervals of time, liquid volumes, masses of objects, and money, including problems involving simple fractions or decimals, and problems that require expressing measurements given in a larger unit in terms of a smaller unit. Represent measurement quantities using diagrams such as number line diagrams that feature a measurement scale.

Lessons Included:

1- Introduction to Time- review telling time on an analog clock, make a clock, 2 intro time word problems

2- Time Number Lines- 3 time problems and graphic organizer for elapsed time

3- More in Depth with Time Number Lines- graphic organizer then 3 time problems

4- Creating Word Problems- solve personalized word problem, students write their own elapsed time word problem

5- Big Problems (more difficult time word problems)- 3 time problems and 1 time graphic organizer

6-7 Big Word Problem Task Cards- 6 task cards with time word problems

8- Progress Quiz- 4 question quiz

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