1. Warm up: Pre- Algebra
• Identify which temperature is further from -1.
1.) 6 and -6
2.) -7 and 3
3.) 2 and – 7
4.) -10 and 7
5.) 0 and 10

2. Pre-Algebra
Monday
• Please have your homework
on your desk and get started
on your warm up.
• Discuss last night’s
homework
– Labsheet Exercise 48
• Please have your spiral
notebooks on your desk.
– 1.2 Extending the Number Line
• Get started on tonight’s
homework
– ACE worksheet # 1- 22

3. Investigation 1
1.2 Extending
the Number
Line
Focus Question: How can you use a
number line to compare two
numbers?
Rational numbers are numbers that can be
expressed as one integer a divided by
another integer b, where b is not zero. You
can write a rational number in the form
or in decimal form.
b
a
b
a

4. • Each negative number can be paired with a
positive number. These two numbers are called
opposites because they are the same distance
from zero on the number line, but in different
directions.
• To avoid confusion with operation signs, you can use
raised signs to show negative numbers

5. Pre-Algebra Tuesday
• Please have your homework
on your desk and get started
on your warm up.
• Discuss last night’s
homework
– ACE worksheet # 1- 22
• Discuss Problem 1.2
• Homework: Problem 1.2

6. Pre-Algebra
Tuesday/Wednes
day
• Please have your spiral
notebook on your desk and
get started on your warm
up.
• Please have your spiral
notebooks on your desk.
– 1.3 From Sauna to
Snowbank
• Get started on tonight’s
homework
– Problem 1.3

7. 1.3 From Sauna to Snowbank
Focus Question:
How can you write a number sentence to represent
a change on a number line, and how can you use a
number line to represent a number sentence?