| Tape |
Title |
| 0: |
Preface to: "Gateways to Arithmetic" |
| 1: |
A Flashback Approach to Whole Numbers |
| 2: |
An Introduction to Counting |
| 3: |
The Invention of Place Value |
| 4: |
A Review of Counting |
| 5: |
Adding Whole Numbers |
| 6: |
An Introduction to Estimating: Rounding
Off |
| 7: |
Subtracting Whole Numbers |
| 8: |
Review of Addition and Subtraction |
| 9: |
Multiplying Whole Numbers |
| 10: |
Dividing Whole Numbers |
| 11: |
Review of Multiplication and Division |
| 12: |
Some Ancient Methods of Computation (Enrichment) |
| 13: |
Enrichment Overview: Introduction
to Rational Numbers |
| 14: |
Comparing Common Fractions |
| 15: |
Introduction to Prime Numbers |
| 16: |
Prime Factorization and Least Common Denominators |
| 17: |
Adding and Subtracting Common Fractions |
| 18[A]: |
Review of Comparing, Adding, and
Subtracting Fractions |
| 18[B]: |
Solutions to Problems, Part 1 |
| 18[C]: |
Solutions to Problems, Part 2 |
| 19: |
Introduction to Multiplication of Fractions
(Enrichment) |
| 20: |
More on Multiplication Common Fractions |
| 21: |
Dividing Common Fractions |
| 22[A]: |
Review: Multiplying and Dividing Fractions |
| 22[B]: |
Continuation of the Review |
| 23: |
Improper Fractions and An Introduction to
Mixed Numbers |
| 24: |
Adding and Subtracting Mixed Numbers |
| 25: |
Multiplying and Dividing Mixed Numbers |
| 26: |
Decimals: The Marriage of Fractions and
Place Value |
|
Part 1: Percents |
| 27[A]: |
Review of Mixed Numbers and Percents, Part
1 |
| 27[B]: |
Review of Mixed Numbers and Percents, Part
2 |
| 27[C]: |
Review of Mixed Numbers and Percents, Part
3 |
| 28: |
Decimals: The Marriage of Fractions and
Place Value |
|
Part 2: Introduction
to Decimals |
| 29: |
Decimals: The Marriage of Fractions
and Place Value |
|
Part 3: Adding,
Subtracting, and Multiplying Decimals |
| 30: |
Decimals: The Marriage of Fractions
and Place Value |
|
Part 4: Dividing Decimals |
| 31: |
Common Fractions and Repeating Decimals |
| 32: |
Introduction to the Calculator |
| 33: |
The Calculator: The Good and the Bad |
| 34: |
Some Calculator Applications |
| 35: |
The Metric System: Part 1: Lengths |
| 36: |
The Metric System: Part 2: Weights |
| 37: |
The Metric System: Part 3: Temperature
(Enrichment) |
| 38: |
An Introduction to Non-Constant Rates, Part
1: Area |
| 39: |
Areas of Rectilinear Regions (Enrichment) |
| 40: |
The Circle |
| 41: |
Volume: ("3 Dimensional Area") |
| 42[A]: |
Geometry (Measurement) Review |
| 42[B]: |
Continuation of Geometry Review |
| 43: |
Exponential Growth (Enrichment) |
| 44: |
An Introduction to Exponents |
| 45: |
Introduction to Average Rates |
| 46: |
Comprehensive Review |