
note that all files are in pdf
format
Mathematical Properties and Principles
Index of Methodologies and Techniques 
The linked files below
include answers to all questions and solutions to all problems,
with the exception of "Make Your Own Model", as the work that
students do in that section of each activity will necessarily vary
from student to student (or team to team). 
Chapter 1 —
Whole Numbers 
1.1 
Introduction to
Whole Numbers 
1.2 
Rounding Whole Numbers 
1.3 
Adding and Subtracting Whole Numbers 
1.4 
Multiplying Whole Numbers 
1.5 
Dividing Whole Numbers 
Chapter 2 —
Fractions 
2.1 
Introduction to Fractions 
2.2 
Finding Prime Factors 
2.3 
Reducing Fractions 
2.4 
Multiplying and Dividing Fractions and Mixed Numbers 
2.5 
Building Equivalent Fractions and Ordering Fractions 
2.6 
Adding and Subtracting Fractions and Mixed Numbers 
Chapter 3 —
Decimal Numbers 
3.1 
Reading, Writing, Ordering, and Rounding Decimal Numbers 
3.2 
Adding and Subtracting Decimal Numbers 
3.3 
Multiplying Decimal Numbers 
3.4 
Dividing Decimal Numbers 
Chapter 4 —
Ratios and Proportion 
4.1 
Ratios 
4.2 
Proportions 
4.3 
Applications of Proportions 
Chapter 5 — Percents 
5.1 
Converting between Percents, Decimals, and Fractions 
5.2 
Solving Percent Problems 
Chapter 6 — Signed Numbers, Exponents, and
Order of Operations 
6.1 
Negative Numbers and Computing with Signed Numbers 
6.2 
Exponents 
6.3 
Evaluating Expressions Using the Order of Operations 