Topic 4

equations

100

5x=90

what is 18

200

x+8=20

What is 12

300

y-12=30

what is 42

400

15+a=40

what is 25 

500

If I got myself and my 2 friends friends a pizza and we split it so we can each have a piece, and there are 15 slices, how many slices do we each get?

What is 5

inequalities

100

x+5<10

what is x<5

200

x-15>10

what is x>25

300

x-35>27

what is x>62

400

x+127<335

what is x<208

500

x-537<1469

what is x<2006

equations

100

x/7=9

what is 63

200

1357+x=543

What is 814

300

545x=5

What is 109

400

x/254=82

What is 20,828

500

Sally wanted to buy something greater than 500 but less than 700. What amount would Sally spend?

(take a guess)

What is 630

inequalities

100

x/56>9

what is x>504

200

650x>5

what is x>130

300

45-x<700

what is x<745

400

536x<8

what is x<67

500

x/547<295

What is x<161,365

equations

100

2.5x-=27.5

what is 11

200

16.75+x=66.50

what is 49.75

300

s-60=80

what is 140

400

x/556=1235

what is 686,660

500

A 6th-grade teacher needs to bake 350 cookies for 10 classrooms in total how many cookies does she bake for each class?

what is 35