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DVD Information
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Number Sense DVD: Volume 1 contains the following problems:
- Multiplication shortcuts
- Non-traditional method for subtraction
- Remainder when dividing by 9
- Finding GCD and LCM
- Addition and subtraction of fractions
- 4/7 + 7/4 =_______ (mixed number)
- Adding consecutive integers
- Adding consecutive odd integers
- 521 - 125 = _________.
- 412 ÷ 9 =______ (mixed number)
- Converting fractions into decimals
- 6 2/3 x 6 1/3 =___ (mixed number)
- 8 1/5 x 2 1/5 =___ (mixed number)
- 15% of 24 is 9% of _________.
- Triangular numbers
- Finding averages
- Subsets, proper subsets, improper subsets
- Approximation problems
- Converting from base 10 to another base
- Converting from any base to base 10
- Probability
- Which is larger, 4/7 or 5/9?
- The product of GCD and LCM
- 17 ÷ 2 1/2 ; 32 ÷ 3 1/3
- Finding median
- Difference of squares
- Pythagorean triplets
- Number of positive integral divisors
- Squaring a mixed number
Calculator DVD: Volume 1 contains the following problems:
- Differentiating between an San calculator and an RPN calculator
- Clearing calculator
- Determining number of significant digits
- Fixing display to show 3 significant digits and scientific notation
- Five ways to improve speed
- What to do at a contest
- Coaching hints
- Writing answers
- Number crunchers and geometric drawings
- Stated problems
- Geometric drawings
- Square, Circle, Triangle, Parallelogram, Trapezoid, Rhombus, Equilateral Triangle, And Rectangle
- Cube, Rectangular Box, Sphere, Cylinder and Cone
- Pythagorean Theorem
- Trigonometry (Right Triangle Problems)
- Find the measure of an angle
- Find the length of a side
- Stated problems
- sales tax
- mark up
- discount
- mixture problem
- work problems
- product of consecutive integers
- distance = rate x time
- interest = principal x rate x time
- percent error
- percent increase
- percent decrease
- percent difference
- raising a number to a large power
- compound interest
- compounding interest continuously
- unit conversion
- linear interpolation
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