Chapter 7 Review

Order of Operations

100

5 x (92-18)

370

200

12+ (4²)-11

17

300

3³ + 3 x 5

42

400

55 -[(5² x 3) - 5²]

5

500

2²+{[1x (5-2)] x 3}

13

Expressions

100

Divide 15 by 3, then add 13

15 /3 +13

200

Subtract 4 from 20. then divide by 2

(20-4) /2

300

Add 9 and 4, then multiply by 2

(9 + 4) x 2

400

Jeffery Purchased and downloaded 12 songs on Monday. He purchases an additional 3 songs on Tuesday. The Cost to download each song is $2. Write a numerical expression. 

(12+3)x2

500

Mora bought 3 bags of apples for her class. One full bag has 8 apples, and each apple weighs 6 ounces. Write a numerical expression. 

3 x 8 x 6

Patterns

100

0, 12, 24, 36,___,____,____

48, 60, 72

200

1, 3, 9, 27,_____,_____

81, 243

300

2, 4, 8,____,______,______

16, 32, 64

400

243, 81, 27, ____, _____, _____

9, 3, 1

500

7,776, 1,296, 216, ____, ____

36, 6

Exponents

100

10³

1,000

200

5³

125

300

9³

729

400

12²

144

500

7³

343

miscellaneous

100

12³

1,728

200

7 x 10 + 3 x 30

160

300

subtract 6 from 34, then multiply by 3

(34-6) x 3

400

Subtract 2 from 22, then divide by 5

(22-2) /5

500

12 -[(3² x 4) -30]

6