Section References 

Lesson 12  
Reviewing Addition Facts 

Lesson 25 
Reviewing Subtractions 
Facts 

Lesson 29 
Using a Calculator 

Lesson 43  
Estimating Length 

Lesson 44 Measurement-Perimeters 

Lesson 56  
Keeping Sharp 

Lesson 63  
Applying Subtraction 

Lesson 64  
Subtracting with Money 

Lesson 84  
Patterns 

Lesson 86  
Collecting Data 

Lesson 87 Measurement-Thermometers 

Lesson 96 
Keeping Sharp 

Lesson 108 
Using Measurement 

Lesson 111  
Using Measurement 

Lesson 112  
Shortcuts 

Lesson 127 
Applying Multiplication  

Checkpoint 

Lesson 137 
Keeping Sharp 

Lesson 151 
Approximating Answers 

Lesson 156  
Keeping Sharp 

Lesson 157  
Applying Addition 
and Subtraction 

Software 

Balancing Bear,  
Sunburst Communications,  
1993 
floppy apple II, mac, ms-dos 

Playroom,  
Broderbund Software, Inc.,  
1996 
cd/floppy mac/windows 

CA Exit Exam Web Site 
http:/www.chspe.com/ 
download.html 

Specific Textbook  
Web Sites 

http://www.glencoe.com/ 
sec/math/prealg/mathnet/ 

http://www.eduplace.com/ 
links/ 

http://www.eduplace.com/ 

http://www.hmco.com/ 
college/mathematics/ 
index.html 

http://www.mcdougallittell. 
com/ 

http://www.hmco.com/ 

http://www.SRA-4KIDS.com/ 

General Math  
Reference Sites 

http://www.learner.org/ 
sami/view-category.php3 
?category=math 

http://www.score.k12.ca.us/ 

http://henson.austin.apple. 
com/edres/curric.shtml 

http://school.discovery.com/ 
schrockguide/index.html 

http://www.EDsOasis.org/ 

http://www.math.com/ 

http://www.nea.org/grants/ 
free.html 

http://www.wcom.com/ 
marcopolo/ 

http://www.udel.edu/sine/ 

http://dewey.chs.chico.k12. 
ca.us/math.html 

Free Stuff 

http://www.nea.org/ 
grants/free.html 

State/National Math  
Ed Organizations 

http://www.nctm.org/ 

http://www.cde.ca.gov/ 

Calif. Dept. of Ed. Standards, Assessment, Ed. Reference. 

Calculator Reference Site 
http://www.ti.com/ 
calc/docs/calchome.html 

1.) Given a variety of mathematics problems, students will justify their reasoning using a variety of methods, such as words, numbers, symbols, charts, graphs, tables, inverse operations, diagrams, and models. 

1.) Students will solve and justify their answers for problems like the following: There were 24 students who went on a field trip, and each rode the train twice. How many rides in all? Use pictures, numbers, and words to explain your mathematical thinking.