Intro to Inequalities

Intro to Inequalities

Equations vs Inequalities

Multiple Select

Select all of the inequalities

• Jane is 9 years old

• Billy has more than 4 dogs

• Jessica watches less than 3 hours of TV

• Yadira has 6 rings

What symbol is this?

• The less than symbol

• How do you know this is the less than symbol?

The left arrow on the number line looks just like the less than symbol. When you go left on the number line the numbers get smaller.

You can make the less than symbol with your hand as well.

Multiple Choice

If your grade is less than a 60, then you have an F.

• x < 60

• x > 60

• x ≤ 60

• X ≥ 60

Here are some words that mean less than

WRITE THEM DOWN

What symbol is this?

• The greater than symbol

• How do you know this is the greater than symbol?

The right arrow on the number line looks just like the greater than symbol. When you go right on the number line the numbers get bigger.

You can make the greater than symbol with your hand as well.

Multiple Choice

To ride a roller coaster you must be over 58 inches tall.

• h > 58

• h < 58

• h ≥ 58

• h ≤ 58

Here are some words that mean greater than

WRITE THEM DOWN

What symbol is this?

• The less than OR equal to symbol

• How do you know this is the less than OR equal to symbol?

• The line underneath the less than symbol is part of the equal sign

Here are some words that mean less than or equal to

WRITE THEM DOWN

Multiple Choice

Which inequality correctly represents:
You can score no higher than a 100 on your test

• x<100

• x>100

• x $\le$ 100

• x $\ge$ 100

What symbol is this?

• The greater than OR equal to symbol

• How do you know this is the greater than OR equal to symbol?

• The line underneath the greater than symbol is part of the equal sign

Here are some words that mean greater than or equal to

WRITE THEM DOWN

Multiple Choice

Which inequality correctly represents:

You must be at least 16 to have a driver's license

• x<16

• x>16

• x $\le$ 16

• x $\ge$ 16