Overview ≠

EQ:

How are symbols useful in mathematics?What mathematical symbols do you know?

I will be able to…

*Solve linear inequalities involving more than one operation.

*Solve linear inequalities involving the Distributive Property.

Activities:Warm-upMini-quiz 5-1 and 5-2Review HWNotes: Solving Multi-Step Inequalities Class work/ HW – pair and share

https://www.youtube.com/watch?v=-qHG791N3uY

5-3 Solving Multi-Step Inequalities

A Quick Review ≠

Solve –9v ≥ –108

A Quick Review ≠

Which inequality represents one half of Dan’s savings is less than $60.00?

Marta wants to purchase charms for her necklace. Each charm costs $1.59. She wants to spend no more than $20 for the charms. Which inequality represents this situation? How many charms can Marta purchase?

Real World Problems ≠

FAXES Adriana has a budget of $115 for faxes. The fax service she uses charges $25 to activate an account and $0.08 per page to send faxes. How many pages can Adriana fax and stay within her budget? Use the inequality 25 + 0.08p ≤ 115.

Rob has a budget of $425 for senior pictures. The cost for a basic package and sitting fee is $200. He wants to buy extra wallet-size pictures for his friends that cost $4.50 each. How many wallet-size pictures can he order and stay within his budget? Use the inequality 200 + 4.5p ≤ 425.

Solve 13 – 11d ≥ 79. Solve –8y + 3 > –5.

More examples ≠

Define a variable, write an inequality, and solve the problem below. Four times a number plus twelve is less than the number minus three.

Write an inequality for the sentence below. Then solve the inequality.6 times a number is greater than 4 times the number minus 2.

Solve 6c + 3(2 – c) ≥ –2c + 1 Solve 3p – 2(p – 4) < p – (2 – 3p).

More examples ≠

Solve –7(s + 4) + 11s ≥ 8s – 2(2s + 1). Solve 2(4r + 3) 22 + 8(r – 2).

Solve 8a + 5 ≤ 6a + 3(a + 4) – (a + 7). Solve 4r – 2(3 + r) < 7r – (8 + 5r).