Understanding Decimals on a Number Line

The video tutorial explains how to plot decimals on a number line, focusing on negative decimals and decimals with hundredths. It demonstrates dividing intervals into subintervals to accurately place decimals like -0.3 and -1.64 on the number line, emphasizing the importance of understanding decimal placement between whole numbers.

What is the position of -0.3 on the number line?

• Between 0 and 1

• Between -1 and 0

• Between -2 and -1

• Between 1 and 2

How many subintervals are created between -1 and 0 to plot -0.3?

• 5

• 15

• 10

• 20

What is the decimal representation of negative 3/10?

• -0.03

• -0.3

• -3.0

• -30.0

What is the position of -1.64 on the number line?

• Between -1.5 and -1.4

• Between -1.7 and -1.6

• Between -1.8 and -1.7

• Between -1.6 and -1.5

How many subintervals are created between -1.7 and -1.6 to plot -1.64?

• 10

• 15

• 20

• 5

What is the decimal representation of negative 1 and sixty-four hundredths?

• -1.064

• -1.64

• -16.4

• -0.164

Where is -1.65 located in relation to -1.64 on the number line?

• Exactly at -1.64

• To the right of -1.64

• Not on the number line

• To the left of -1.64

What is the length of each subinterval between -1.7 and -1.6?

• 1 unit

• 0.01 units

• 0.001 units

• 0.1 units

Which of the following is greater than -1.64?

• -1.65

• -1.66

• -1.63

• -1.67

What is the correct order of decimals from least to greatest?

• -1.63, -1.64, -1.65

• -1.65, -1.64, -1.63

• -1.64, -1.63, -1.65

• -1.64, -1.65, -1.63