Two Step Inequalities

by RIS Mathematics Gr7

| 16 Questions1

1

REVIEW TIME! Write the word sentence as an inequality:

A number k plus 19.5 is less than or equal to 40.

2

1

Tell whether c = -2 is a solution of the inequality:

3

1

Solve the inequality. Graph the solution.

Today you're going to continue to practice solving two-step inequalities. If you would like to see an example worked out, please watch the video below. If not, go ahead and try some of the practice problems that follow.

4

1

Solve the inequality. Graph the solution.

5

1

Practice solving and graphing the following two-step inequalities. Click on the link and give it your best shot!

Solving Two Step Inequalities

Click on the most appropriate answer below:

Not done

Finished but didn't get 100% correct

Finished and got EVERYTHING CORRECT!! THAT's HOW YOU DO IT!!!!!

RIGHT NOW!! In the real world you're going to have to figure out how to CREATE the inequality and SOLVE it! Nobody is going to hand you a test when you're older! So, to prepare for that, let's practice a few situations you may run in to. If you would like to see some word problems broken down and solved, watch the two videos below. If not, skip to the Khan Lesson and try your best!! Good luck!!

6

1

You can spend no more than $100 on a party you are hosting. The cost per guest is $8.

Write an inequality that represents the number of guests (x) you can invite to the party.

7

1

You can spend no more than $100 on a party you are hosting. The cost per guest is $8.

What is the greatest number of guests that you can invite to the party?

8

1

Practice solving and graphing the following two-step inequalities. Click on the link and give it your best shot!

Solving Two Step Inequalities World Problems

Click on the most appropriate answer below:

Not done

Finished but didn't get 100% correct

Finished and got EVERYTHING CORRECT!! THAT's HOW YOU DO IT!!!!!

9

1

You have $30 to buy baseball cards. Each pack of cards costs $5. Write an inequality that represents the number of packs of baseball cards (c) you can buy and still have at least $10 left.

10

1

You want to put up a fence that encloses a triangular region with an area greater than or equal to 60 square feet. What is the least possible value of c? Explain.

11

1

The ice skating competition is this weekend. The Friday night event draws a crowd of 12,600 people and the Saturday afternoon event draws a crowd of 10,300 people. How many people can attend the Sunday evening event to have an average attendance for the three days of at most 11,000?

12

1

Paulie’s pizza is considering expanding into the pizza truck business. They calculate that the costs of a pizza truck will be $1,420 per month. If they sell pizzas for $12 each, how many will they have to sell in a month to make a profit of at least $3,400?

Challenge yourself with some MULTI-STEP problems!! WOOAAAAA SO MANY STEPSSSSS! JK, it's only like... 3 steps... 4 tops! But remember, they are very, very similar to solving equations! Try your best! Watch the videos if needed. If not, scroll on down to the last practice of the day! Gooooood luck!

13

1

Solve:

14

1

I only

I and III

I, II, and III

II only

15

1

Debra has grades of 77, 95 and 81, but she also has a project to turn in. All 4 grades count equally. Write an inequality that represents the lowest grade (x) she can earn on the project to have an average of at least 82?

16

1

Practice solving and graphing the following multi-step inequalities. Click on the link and give it your best shot!

Solving Multi Step Inequalities

Click on the most appropriate answer below:

Not done

Finished but didn't get 100% correct

Finished and got EVERYTHING CORRECT!! THAT's HOW YOU DO IT!!!!! AND NOW I'M DOOOOONE!

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