Unit 1 Review- Lillie Sullivan

Distance

100

2x-60=30

45

200

180 + 5x = 360 - 4x

20

300

(x + 6) + 3x = 90

21

400

(3x + 1) + (2x -) = 180

37

500

The difference between the weight of 3 gallons of liquid and 5-pound brick is 19 pound Write an equation to represent this situation. What is the weight of 1 gallon of the liquid?

3g -5=19;8 lb.

Line Segments

100

35 + x = 90

55

200

x - 34 = 146

180

300

3x = 80

180

400

-x/3 = 17

-51

500

Russia, the largest country in the world in terms of area, occupies 6,593,800 square miles. The difference in area between Russia and Canada is 2,740,991 square miles. Write and solve an equation to find the area of Canada.

c + 2,740,991 = 6,592,800; 3,851,809 mi²

Locating Points on a coordinate plane

100

Convert between fractions and decimals. 

Write all in simplest form.

-8.75

-8 3/4

200

3 2/5

3.4

300

-7/2

-3.5

400

0.012

3/250

500

17/20

0.85

Midpoints and Bisectors

100

2.3 + (-1.4)

0.9

200

-40.5 + 3.07 

-37.43

300

1/3 + (-1/2) 

-1/6

400

-3/4 + 3/8

-3/8

500

Ms. Takanawa has three bank accounts. the balances in the accounts are $436.12, $1178.05, and -$0.05

How much money does she have all together in these accounts?

$1614.12

points, lines, and planes

100

3-7

-4

200

8- (-2)

10

300

15- (-18)

33

400

37-48

-11

500

At 7 pm, the temperature was 4 degrees celsius. By 8 pm it had increased 2 degrees. By 9 pm. It had decreased 1 C. By 10 pm it had decreased 15 degrees C. What was the temperature at 10 pm?

-10 degrees celsius.