= Step-by-Step Solutions begin on page R1.
Extra Practice begins on page EP2.- COOKIES Angelo places 4 chocolate chip
cookies and 3 sugar cookies into each tin.
He has used 24 chocolate chip cookies and
18 sugar cookies. How many tins did
Angelo make? - ALGEBRA What are the next two numbers
in the pattern?
16, 32, 64, 128, 256, ,
99 ROLLER COASTERS The Jackrabbit roller
coaster can handle 1,056 passengers per
hour. The coaster has 8 vehicles. If each
vehicle carries 4 passengers, how many
runs are made in one hour?- ANALYZE TABLES The table gives the
average snowfall for Valdez, Alaska.
Month Snowfall (in.)
October 11.6
November 40.3
December 73.0
January 65.8
February 59.4
March 52.0
April 22.7How many total inches of snowfall could
a resident of Valdez expect to receive from
October to April?- HOMEWORK Angel has guitar practice at
7:00 p.m. He has homework in math,
science, and history that will take him
30 minutes each to complete. He also has
to allow 20 minutes for dinner. What is
the latest time Angel can start his
homework? - E WRITE MATH Write a real-world
problem that could be solved by looking
for a pattern. Then write the steps you
would take to find the solution to your
problem.
Use the look for a pattern strategy to solve
Exercises 2–4.- FINANCIAL LITERACY Latoya is saving
money to buy a camera. After 1 month, she
has $75. After 2 months, she has $120.
After 3 months, she has $165. She plans to
keep saving in this pattern. How long will
it take Latoya to save enough money to
buy a camera that costs $300? - WORK The table shows the number of
hours that Omar worked at his job.
Week 1 Week 2 Week 3 Week 4
10 11.5 13 14.5If the pattern continues, how many hours
will Omar work in Week 7?- DISPLAYS Cans of soup are arranged in a
triangular display. The top row has 1 can.
The second row has 2 cans. The third row
has 3 cans. The bottom row has 10 cans.
How many total cans are there?
Use any strategy to solve Exercises 5–12.- BRIDGES The total length of wire used in
the cables supporting the Golden Gate
Bridge in San Francisco is about 80,000
miles. This is 5,300 miles longer than three
times the distance around Earth at the
equator. What is the distance around Earth
at the equator? - GEOMETRY What are the next two figures
in the pattern?
- Look for a pattern.
- Choose an operation.
- Draw a diagram.
Lesson 2A Patterns 43042_043_C1_PSI_895130.indd 43 12/29/09 12:21 PM