Warm Up

1
Warm Up
Problem of the Day
Lesson Presentation
2
Warm Up Add, subtract, multiply, or divide.
1. 24 17
2. 23 19
4
41
4. 6(7)
3. 12 3
42
36
6. 250 (85)
5.
8
335
3
Learn to solve equations with integers.
4
Solve.
x 3 6
A.
x 3 3 6 3
x 3
5 r 9
B.
5 5 r 9 5
r 14
5
Solve.
6 8 n
C.
2 n
D.
z 6 3
z 6 6 3 6
z 9
6
Solve.
1 7 r
C.
6 r
D.
a 9 9
a 9 9 9 9
a 18
7
Solve.
5x 35
A.
5x 35
5 -5
x 7
8
Solve.
B.
-4 ?
? -4
z 20
9
Solve.
A.
7x 42
7x 42
7 -7
x 6
10
Solve.
B.
3 ?
? 3
z 27
11
Sarah heard on the morning news that the
temperature had dropped 26 degrees since
midnight. In the morning, the temperature was
8F. What was the temperature at midnight?
t 26 8
t 26 26 8 26
The temperature at midnight was 18F.
12
Tim has two tug boats in a pulling contest. The
boat on the left was pulling with a force of 23
newtons (N). If the net force is 5 N, what force
is the boat on the right exerting on the rope?
5 23 f
5 23 23 23 f
The right boat is exerting a force of 28 newtons
on the rope.
13
Lesson Quiz Part 1
Solve.
2. 15 3b
1. t 9 8
t 17
b 5
4. z 16 30
z 46
x 28
14
Lesson Quiz Part 2
5.
A roller coaster descends down a hill at a rate
of 80 feet per second. The bottom of the hill is
400 feet from the top. How long will it take the
coaster riders to reach the bottom?
5 seconds
15
Homework

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