Math Quiz on GCF and LCM

What is the main focus of the lesson introduced in the video?

• Solving algebraic equations

• Understanding fractions

• Learning about geometry

• Solving real-life problems using GCF and LCM

Which of the following numbers is 72 divisible by?

• 5

• 7

• 9

• 11

If a lighthouse flashes every 12 minutes and another every 18 minutes, when will they flash together again if they start at the same time?

• 30 minutes

• 24 minutes

• 36 minutes

• 48 minutes

How many sheets of paper should each pupil get if Mrs. Lucia has 36 sheets of green paper and 42 sheets of blue paper?

• 4 sheets

• 5 sheets

• 6 sheets

• 7 sheets

What is the largest number of vegetables Louise can put in each plastic bag if she has 40 tomatoes and 48 eggplants?

• 6

• 8

• 10

• 12

Mary has two pieces of cloth, one 72 inches wide and the other 90 inches wide. How wide should she cut the strips to make them as wide as possible?

• 12 inches

• 18 inches

• 15 inches

• 20 inches

Jerwin exercises every 12 days and Nikki every 8 days. How many days will it be until they exercise together again?

• 28 days

• 24 days

• 20 days

• 16 days

How many smaller toy train tracks does C need if they have 8-inch pieces and Root has 18-inch pieces?

• 9

• 8

• 7

• 6

What is the first step in solving a problem using GCF or LCM?

• Divide the numbers by 3

• Write the numbers in a horizontal line

• Add the numbers

• Multiply the numbers

What should you consider when solving problems according to the video?

• What is my plan?

• What do I need to find out?

• All of the above

• What do I know?