Add minutes with analog clocks

Objective

Learners read an ending time on an analog clock and connect how far the minute hand moved to the minutes added.

What this practice covers

Learners see a starting time on an analog clock and in digital form, the minutes to add, and a second analog clock that already shows the ending time. They choose the ending time from five choices. The answer can be read from the second clock, so the work is reading that clock and seeing how far the minute hand moved. Amounts are multiples of 5 from 5 to 55. The first third of problems add 5, 10, or 20 minutes, and the first half stay within the hour. Choose a 5-question Quick check or a 15-question Practice session; the difficulty progression adjusts to the selected length.

Standards alignment

Who it’s for

This practice is designed for Grade 1 learners building an early understanding of clocks and time. It is also useful for older learners who want a calm visual review of how hours and minutes are represented.

What to know first

• Learners should count by fives and understand that the short hand tracks the hour while the long hand tracks minutes around the clock.

Difficulty and scaffolding

Developing · Mixed stage

Problem representations

• Numerical equation
• Analog clock
• Digital clock

Three worked examples

1. Start at 3:10 and add 5 minutes. The ending clock shows 3:15. The minute hand moved from 2 to 3, one step of 5 minutes.
2. Start at 6:20 and add 20 minutes. The ending clock shows 6:40. The minute hand moved from 4 to 8, four steps of 5 minutes.
3. Start at 8:45 and add 25 minutes. The ending clock shows 9:10. The minute hand passed 12, so the hour changed from 8 to 9.

Likely misconceptions

• Learners may read the starting clock instead of the ending clock, swap the hands on the ending clock, or count each number the minute hand passes as 1 minute instead of 5. When the minute hand passes 12, the hour goes up by one.

Hints and explanations

• Start at 3:10 and add 5 minutes. The ending clock shows 3:15. The minute hand moved from 2 to 3, one step of 5 minutes.
• Start at 6:20 and add 20 minutes. The ending clock shows 6:40. The minute hand moved from 4 to 8, four steps of 5 minutes.
• Start at 8:45 and add 25 minutes. The ending clock shows 9:10. The minute hand passed 12, so the hour changed from 8 to 9.

What to practice next

Next, practice adding minutes with digital clocks, which uses the same amounts with no clock face to read the answer from.

Editorial review

Reviewed by Brilliant’s curriculum team. Exercises are generated within defined difficulty ranges and checked against verified answer rules.

What does add minutes with analog clocks teach?

It teaches learners to read an analog clock and connect the change between two clock times to the minutes added. The ending clock is shown, so learners can check that the minute hand moved 5 minutes for each number it passed.

Why are clock minutes counted by fives?

A clock face has 12 numbers and 60 minute marks. Moving from one number to the next covers five minute marks, so each number the minute hand passes adds 5 minutes.

Should telling-time practice be timed?

No timer is necessary. Accuracy and explanation should come first. Ask the learner to read the ending clock, count by fives from the starting minute, and check that the count matches the minutes added.

How can an adult help after a mistake?

Have the learner put a finger on the starting minute and count by fives to the ending minute. Then read the hour from the ending clock. Keep the correction brief and let the learner retry the same problem before showing the answer.