CCSS.Math.Content.1.MD.B
Standard Cluster
Tell and write time.
Common Core State Standards for Mathematics
Cluster contents
Standards in This Cluster
CCSS.Math.Content.1.MD.B is a cluster heading. These are the individual standards under it.
Teacher's field guide
What This Cluster Means
What Students Need to Do
- Students match analog clock faces to digital times at the hour and half-hour. They use the hour and minute hands to read and record each time.
What Mastery Looks Like
- Students correctly read and record times such as 6:00 and 6:30. They place both hands accurately on a blank clock and match the clock to a digital display.
Common Misconceptions
- Students may swap the hour and minute hands or assume both hands point directly to a number. At half-hour times, they may place the hour hand on the hour instead of halfway to the next number. They may write 7:30 as 7:03.
How to Assess It
- Show clocks reading 4:00 and 8:30. Ask students to write each digital time and explain what each hand shows.
Lesson moves
Ways to Teach It
Give students paper clocks with movable hands, then call out times for them to build and check with a partner.
Ask students to explain in writing how the hands look different at 3:00 and 3:30.
Play clock bingo using cards with digital times while you display matching analog clock faces.
Create a class schedule with times for arrival, lunch, and dismissal, then draw a clock beside each event.
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Printable 1.MD.B Worksheet

A ready-to-print activity worksheet aligned to CCSS.Math.Content.1.MD.B, with an answer key for the teacher on its own page. No account needed.
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Related Standards
- CCSS.Math.Content.3.MD.A.1
Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in min...
- CCSS.Math.Content.2.MD.C.7
Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.
- CCSS.Math.Content.5.NBT.A.3
Read, write, and compare decimals to thousandths.
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