CCSS.Math.Content.1.MD.B

Math1st GradeMeasurement and Data

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

  1. Give students paper clocks with movable hands, then call out times for them to build and check with a partner.

  2. Ask students to explain in writing how the hands look different at 3:00 and 3:30.

  3. Play clock bingo using cards with digital times while you display matching analog clock faces.

  4. 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

Preview of the CCSS.Math.Content.1.MD.B printable 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.

PDF, US Letter, prints cleanly in black and white.

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