Grade 7 Expression & Equation Review

Grade 7 Expression & Equation review

1. (7EE.4b)

Craig wentbowling with $25to spend. Herented shoesfor $5.25 andpaid$4.00for each game. What wasthe greatest number of gamesCraig could have played?

A 4 B 5 C 6 D 7

2. (7EE.1)

Whichexpressionisequivalentto (7x -5) – (3x – 2)?

A 10x -7 B 10x -3 C 4x – 7 D 4x -3

3. (7EE.2)

Thepopulation ofacityisexpectedto increaseby7.5%nextyear.Ifprepresentsthe current population, whichexpressionrepresentsthe expectedpopulation nextyear?

A 1.75p B 1.075p C p + 0.075 D 1 + 0.075

4. (7EE.4a)

Carminepaidanelectrician xdollarsperhourfor a5-hourjob plus$70for parts.The total chargewas$320.Which equationcanbeusedto determinehowmuchthe electricianchargedperhour?

A 5x=320+70 B 5x=320- 70 C (70+ 5)x=320 D (70- 5)x= 320

5.(7EE.2)

Theexpression 1.08(0.6p)representsthetotalamount Naomipaidfora jacket originally pricedpdollars.Which changes totheoriginal pricecould haveresultedin thisexpression?

A Theoriginal pricewasreducedby40%andthenincreasedby8%.

B Theoriginalpricewasreducedby40%andthenincreasedby108%.

C Theoriginal pricewasincreasedby60%andthen increasedby8%.

D Theoriginalpricewasincreasedby60%andthenincreasedby108%.

6.(7EE.1)

Whichexpressionisequivalent to 2(3n – 4) – 2(n – 2)?

A 4n - 4 B 4n+ 4 C 8n - 4 D 8n + 4

7. (7EE.4a)

Katie bought 4sweaters that each costthe same amount and 1skirt that cost$20.The items shebought cost atotal of $160 before tax was added. What wasthe costofeach sweater?

A $20 B $35 C $40 D $45

8. (7EE.1)

Which expressionrepresents thesum of (2x- 5)and (x + y)?

A 3x – 4y B 3x – 6y C x – 4y D x – 6y

9. (7EE.4a)

Which steps can be used to solve for the value ofy?

⅔ (y +57)=178

A divide bothsides by⅔, then subtract 57from bothsides

B subtract 57from both sides, then divide both sides by ⅔

C multiply both sides by ⅔, then subtract 57from both sides

D subtract⅔fromboth sides, then subtract 57 frombothsides

10. (7EE.3)

David boughtacomputer that was 20% off the regular price of $1,080. Ifan 8% sales tax was added to the cost of the computer, what was the price David paid for it?

A $302.40 B $864.00 C $933.12 D $1382.40

11. (7EE.2)

Leobought ausedcarforxdollars. Oneyearlaterthevalueofthecarwas 0.88x.

Which expressionisanother wayto describethe changeinthevalueofthecar?

A 0.12%decrease B0.88%decrease C 12%decrease D 88%decrease

12. (7EE.3)

Mark hasacollection of 1,200 music CDs.Heconsiders ofhiscollection rock music.

Of the rock music CDs,20% are by soloartists. Of the solo artists, are byfemale artists. Exactly how many of Mark's CDsare byfemalesolorock artists?

A 4 B 16 C 740 D 920

13 (7EE.1)

Rewriteinsimplestform.

5(4c-2d)+2d-6(d- 3c)

Simplified form ______

Writethe simplified expressioninfactored form.

Factoredform ______

14 (7EE.4a)

Jackiebought 2packagesofpaperfor$5.80eachand4notebooks for ddollarseach. Shespentatotal of $32forthe packagesof paperandthe notebooks. Writean equation, usingd thatrepresentsthesituation above.

Equation______

Solveyourequationandwrite thecostof 1notebookinthe answerblank.

Showyour work.

Answer$______

Jackiereturnedtothestorelaterthat dayandboughtnmorenotebooks atthesame price.Thistimesheusedastorecouponfor $3.50off herentirepurchase.Thetotal she spentwasmorethan$18. Writeaninequality torepresentthissituation.

Inequality______

What wasthe leastnumber ofnotebooksthat Jackiecouldhavebought thistime?

Answer______notebooks