Chapter 1

operations in expressions

100

The sum of 9 and x 

What is 9 + x

200

The product of 6 and x

What is 6x or 6(x)

300

2/5 of 6

2/5 x 6

400

x fewer than 9

9 - 5

500

The quotient of 5 and x

5/x

order of operations

100

-4 x 6 - 15 ÷ 5

-24- 3 = -27

200

4² - (2+3)² 

16 - 25 = -9

300

(8(5) + 10^2 +7)/((4+3)^2

147/49 = 3

400

-4[3(4+7)+6]-12÷3

-160

500

(54÷ 3²)³ - 4²÷ 4

212

Evaluating expressions

100

5y + 6 if y =4

26

200

-23 + y if y= -25

-48

300

-43 - y   y=-3

-40

400

y³  - y       y=6

210

500

3(x-4)² + x² + 14 ÷ x            x=7

78

Integers!

100

-5-3

-8

200

-25 +(-79)

-104

300

-5(5 +-12) -39(-1) 

35 +39 = 74

400

-54 (-2) -34(-1)² + 54(-1) -26

104-34-54 -16=0

500

-54(-21)- (-34)(24)-(-26 +-34)

1134+816+60= 2010