Lesson 7-5: Comparing and Ordering Rational Numbers

Quick Review

​Let's warm up!

Multiple Choice

Which shows $$\frac{18}{60}$$ in simplest form?

• $$\frac{3}{20}$$

• $$\frac{1}{6}$$

• $$\frac{3}{10}$$

• $$\frac{6}{20}$$

Multiple Choice

Find the sum:

$$\frac{7}{9}+\frac{1}{2}$$

• $$1\ \frac{5}{9}$$

• $$\frac{1}{6}$$

• $$\frac{8}{9}$$

• $$\frac{8}{11}$$

Fill in the Blank

What is the product:

1.2 x 30

Fill in the Blank

What is the least common multiple of 9, 12, and 15?

Fill in the Blank

Write the simplest form of $$\frac{27}{6}$$ .

Fill in the Blank

Evaluate:

$$x^3+5\left(x+1\right)\ for\ x=2$$

Quick Review

​Let's warm up!

Reorder

Order the numbers least to greatest:

• $$-\frac{3}{2}$$

• -1.2

• 1.3

• $$1\ \frac{1}{2}$$

1

2

3

4

• 1
• 2
• 3
• 4

Reorder

Order the numbers least to greatest:

• $$-\frac{10}{4}$$

• -2.46

• 2.5

• $$\frac{14}{5}$$

1

2

3

4

• 1
• 2
• 3
• 4

Fill in the Blank

Use <, >, or = to compare.

$$-18\ \frac{2}{3}$$ O $$-3.33$$

Guided Practice

​Let's walk through it together.

Fill in the Blank

Use <, >, or = to compare.

$$-1\ \frac{2}{5}$$ O $$-1.25$$

Reorder

Order the rational numbers from least to greatest.

• $$-\frac{3}{2}$$

• -1.3

• 13.35

• $$13\ \frac{3}{5}$$

1

2

3

4

• 1
• 2
• 3
• 4

Reorder

Order the rational numbers from greatest to least.

• 1.9

• $$\frac{9}{8}$$

• $$-2\ \frac{3}{8}$$

• -2.4

1

2

3

4

• 1
• 2
• 3
• 4

Fill in the Blank

Use <, >, or = to compare.

$$10\ \frac{3}{10}$$ O $$-100.25$$

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