Comparing and Ordering Rational Numbers

Order the numbers from least to greatest

2½, 2, 1.75, 2¼, 3

• 3, 2½, 2¼, 2, 1.75

• 1.75, 2, 3, 2½, 2¼

• 3, 2, 1.75, 2¼, 2½

• 1.75, 2, 2¼, 2½, 3

To compare the fractions when they are converted to decimals, the decimal points do not have to be lined up.

• True

• False

Maya was making origami papers. She cut each paper into pieces. Order the pieces from least to greatest.

1½, 2, 1.75, 1

• 1, 1½, 1.75, 2

• 2, 1.75, 1½, 1

• 1.75, 1½, 2, 1

• 1½, 2, 1, 1.75

Josh says that terminating decimals and repeating decimals are examples of rational numbers. Is this true?

• Yes

• No

Is the order of rational numbers always from least to greatest?

• True

• False

Order the numbers from greatest to least

2.5, 2¼, 3, 1, 4

• 4, 3, 2¼, 2.5, 1

• 1, 2.5, 2¼, 3, 4

• 4, 3, 2.5, 2¼, 1

• 1, 2¼, 2.5, 3, 4

Rational numbers are both positive and negative numbers.

• True

• False

6 friends were sharing a large pizza. They all had at least a piece. Order their piece from least to greatest

3.25, 1, 2.5, 3¾, 4, 2,

• 3.25, 4, 2, 1, 2.5, 3¾

• 1, 2, 2.5, 3.25, 3¾, 4

• 2.5, 3.25, 3¾, 1, 2, 4

• 4, 3¾, 3.25, 2.5, 2, 1

Lia says that decimals must be compared from right to left. Is this true?

• Yes

• No

Order the numbers from greatest to least

8, 49¾, 50, 48.5, 49, 50.5

• 49¾, 50, 50.5, 49, 48.5, 8

• 48.5, 49¾, 50, 50.5, 8, 49

• 8, 48.5, 49, 49¾, 50, 50.5

• 50.5, 50, 49¾, 49, 48.5, 8