Comparing and Ordering Real Numbers

What happens to negative numbers as they become more negative on the number line?

• They get smaller.

• They get bigger.

• They stay the same.

• They turn into positive numbers.

When converting real numbers to decimal form, to how many decimal places should you round?

• One decimal place.

• Two decimal places.

• Three decimal places.

• Four decimal places.

What is the decimal form of 9/10?

• 0.9

• 3.9

• 1.9

• 2.9

Where would the number 5.2 be placed on the number line?

• Between 5 and 6

• Between 4 and 5

• Between 3 and 4

• Between 6 and 7

Which of the following numbers is the smallest?

• 1.58

• 3.9

• 5.2

• Negative 5.66

What is the decimal form of the square root of 21 rounded to two decimal places?

• 4.56

• 4.57

• 4.59

• 4.58

Which number is smaller: 5.71 or the square root of 29?

• Square root of 29

• 5.71

• They are equal

• Cannot be determined

What is the decimal form of the square root of 30 rounded to two decimal places?

• 5.47

• 5.48

• 5.49

• 5.50

Is the square root of 30 closer to 5 or 6?

• Exactly in the middle

• Closer to 6

• Closer to 5

• Cannot be determined

If you think of the square root of 30 as money, is it closer to having $5 or $6?

• $5

• $5.50

• $6

• $4.50