Georgia 1.MDR.6.2
The Standard
Tell and write time in hours and half-hours using analog and digital clocks, and measure elapsed time to the hour on the hour using a predetermined number line.
Georgia's K-12 Mathematics Standards · Use appropriate tools to measure, order, and compare intervals of length and time, as well as denominations of money to solve real-life, mathematical problems and analyze graphical displays of data to answer relevant questions.
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students match clock faces with digital times that end in :00 or :30. They count one-hour jumps on a labeled number line to find how long an event lasts.
What Mastery Looks Like
- A student reads and records times ending in :00 or :30 on both clock types. The student counts one-hour jumps on a labeled number line to find elapsed time between two times.
Common Misconceptions
- Students may confuse the hour hand and minute hand, or write 6:06 when the minute hand points to 6. They may place the hour hand directly on a numeral at :30. When finding elapsed time, they may count number labels instead of one-hour jumps.
How to Assess It
- Give an exit ticket: draw 3:30, identify a clock showing 7:00, then use a number line labeled 2 through 5 to find elapsed time.
Lesson moves
Ways to Teach It
Give pairs paper clocks with movable hands, call out times such as 4:00 and 8:30, and have students set and record each time.
Ask students to explain how the minute hand helps them decide whether a time ends in :00 or :30.
Play clock match with cards showing analog clocks, digital times, and matching phrases such as half past five.
Post a simple school schedule, then have students use a number line to find how many hours pass between two on-the-hour events.
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Printable 1.MDR.6.2 Worksheet
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