Comparing and Ordering Numbers Challenge

This video tutorial covers review problems for Math 8, focusing on comparing and ordering numbers. It includes converting fractions, percentages, and scientific notation to decimals for comparison. The tutorial also addresses comparing negative values, ordering numbers in descending order, and placing values on a number line. Key concepts include understanding scientific notation, negative square roots, and the importance of exponents in comparisons.

What is the decimal equivalent of the fraction 3/8?

• 0.125

• 0.625

• 0.375

• 0.875

How do you convert 72% to a decimal?

• 72.0

• 7.2

• 0.72

• 0.072

Which is greater: -0.483 or -48.3%?

• Cannot be determined

• They are equal

• -48.3%

• -0.483

What is the result of 4.92 × 10^4?

• 492000

• 49200

• 492

• 4920

Which is larger: -5 or -7.92?

• Cannot be determined

• -5

• -7.92

• They are equal

Arrange the following in descending order: 17, -0.168, -3/20, 12/6.

• 0.17, -0.15, 2, -0.168

• 2, -0.15, 0.17, -0.168

• 2, 0.17, -0.15, -0.168

• 0.17, 2, -0.15, -0.168

Convert 1/5 to a decimal.

• 0.25

• 0.1

• 0.2

• 0.5

Which of the following is the smallest: 3.5 × 10^-1, 7.8 × 10^-2, 1 × 10^-1, 5.03 × 10^-3?

• 3.5 × 10^-1

• 7.8 × 10^-2

• 1 × 10^-1

• 5.03 × 10^-3

What is the absolute value of -5?

• -5

• 5

• 0

• Undefined

Who has the lowest grade if the scores are 90%, 95%, 6/8, and 48/50?

• Student with 6/8

• Student with 90%

• Student with 95%

• Student with 48/50