Points, Lines and Planes
3 - 7
-4
35 + x = 90
55
2x - 60 = 30
45
2.3 + (- 1.4)
0.9
32 = 9 52 = 25 112 = 121 172 = 289
The square of an odd number is an ___ number.
odd
8 - (-2)
10
x − 34 = 146
180
180 + 5x = 360 - 4x
20
- 40.5 + 3.07
-37.43
If an object is red, then it is not blue.
true
15 - (-18)
33
60
(x + 6) + 3x = 90
21
1/3 + (- 1/2)
-1/6
You and your friend have the same amount of money. Your friend spends $4 and you spend $6. You and your friend still have the same amount of money.
false
37 − 48
-11
-x/3 = 17
-51
(3x + 1) + (2x - 6) = 180
37
− 3/4 + 3/8
-3/8
Find the measure of ∠APB.
45°
At 7 P.M., the temperature was 4°C. By 8 P.M., it had increased 2°C. By 9 P.M., it had decreased 1°C. By 10 P.M., it had decreased 15°C. What was the temperature at 10 P.M.? –10°C
–10°C
Russia, the largest country in the
world in terms of area, occupies 6,592,800 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.
Warm Up
ᵅ + 2,740,991 = 6,592,800; 3,851,809 mi2
c + 2,740,991 = 6,592,800; 3,851,809 mi2
The difference between the weight of
3 gallons of liquid and 5-pound brick is 19 pounds.
Write an equation to represent this situation. What
is the weight of 1 gallon of the liquid?
3g −5 = 19; 8 lb
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 altogether in these accounts?
$1614.12
Find the measure of ∠FPD.
70°