NJ Go Math! Unit 1 Numbers Unit Review

What is the opposite of -6?

• 0

• 1/6

• 6

Which set of rational numbers is correctly ordered from least to greatest?

• -0.3, -0.4, -0.5

• -0.5, -0.4, -0.3

• -0.5, -0.3, -0.4

Which number has the same absolute value as -21?

• 0

• 1/21

• 21/1

• none of the above

The elevation of New Orleans is on average 8 feet below sea level. Which correctly describes the opposite of New Orleans elevation?

• on average 8 feet below sea level

• at sea level

• on average 8 feet above sea level

• 1/8 feet below sea level

Which shows the integers in order from greatest to least?

• -2, 1,5

• 5,-2,1

• 7,-7,-2

• 5,1,-2

Isabella placed the numbers 0.2,0.4,-0.8 and 0.1 on the number line. Which of the numbers is furthest from zero?

• -0.8

• 0.1

• 0.4

What is the greatest common factor of 15 and 30?

• 5

• 15

• 30

• 10

Which of the following statements is true about rational numbers?

• All rational numbers are also integers

• Zero is NOT a rational number

• Whole numbers are NOT rational numbers

• All integers are also rational numbers

James wrote 4 and 1/2 in the form a/b. How did he write it?

• 9/2

• 6/2

• 2/9

• 4.5

Which of the following is and example of a rational number that is NOT an integer?

• 1/5

• 0

• -3

• 4