Time and Traffic Light Problems

The video tutorial explains how to solve a math problem involving a traffic light that turns green every 20 seconds. It guides the viewer through calculating how many times the light turns green in two minutes by dividing and multiplying time intervals. The tutorial then transitions to introducing a new problem about a castle.

How many seconds are there in one minute?

• 60 seconds

• 90 seconds

• 45 seconds

• 30 seconds

Tags

CCSS.3.MD.A.1

If a traffic light turns green every 20 seconds, how many times does it turn green in one minute?

• 2 times

• 5 times

• 3 times

• 4 times

Tags

CCSS.3.MD.A.1

How many times does the traffic light turn green in two minutes?

• 5 times

• 7 times

• 4 times

• 6 times

Tags

CCSS.3.MD.A.1

What is the first step to find out how many times the traffic light turns green in two minutes?

• Divide by 20

• Divide by 60

• Multiply by 2

• Multiply by 3

Tags

CCSS.HSG.MG.A.1

How many gates does the castle have?

• 8 gates

• 7 gates

• 6 gates

• 9 gates

Tags

CCSS.HSG.MG.A.1