BARRY
HOFFMAN

an innovative math experience for kids 10~12

numbers don't lie

VISITS FROM KIDS & ADULTS

1

since 2003

LEARNING
VIDEOS

Learning Videos are screencasts which are recordings with audio & video of what is on the presenter's screen. They are created to help teach someone a skill.

ASSORTED VIDEOS (LV1-99)

"THINK DIFFERENT."
  1 min, Steve Jobs

ADDING HOFFKIDS SHORTCUT ICON TO IPHONE HOME SCREEN
 
47 sec, Dani Se

HOW TO USE THE SAVE FEATURE IN THE ONLINE CLASSROOM
 
3.5 min, Hoffman

HOW TO CONVERT YOUR FRACTION QUIZ GRADE TO A %
 
4 min, Hoffman

MATH TRICK: TIMES ANY TWO DIGIT NUMBER BY 11
 
4.5 min, Tecmath

4 YEAR OLD CALLS 911 FOR MATH HELP
 
1.5 min, 4 Year Old

5 YEAR OLD MATH GENIUS
 
5 min, 5 Year Old

MATH IS HARD
 
2 min, Non-Math Woman

GCF VIDEOS (LV100-199)

FINDING GCF OF TWO NUMBERS USING PRIME FACTORIZATION
 
2 min, Marija

FACTORING USING DISTRIBUTIVE PROPERTY & GCF
 
3.5 min, Khan Academy

practice here!

DECIMAL VIDEOS (LV200-299)

HOW DO YOU DIVIDE DECIMALS WITH DECIMAL DIVISORS?
 
4 min, Math Playground

DIVIDING DECIMALS WITH DECIMAL DIVISORS
 
5.5 min, Khan Academy

practice here!

FRACTION VIDEOS (LV300-399)

MAKING EQUAL FRACTIONS WITH THE BIG FAT 1
 
5 min, Hoffman

CONVERT MIXED NUMBERS TO IMPROPER FRACTIONS AND BACK
 
7 min, Peter Pham

SUBTRACTING FRACTIONS WITH BORROWING
 
5 min, Teacher Tube Math

MULTIPLYING MIXED NUMBERS
 
4.5 min, Khan Academy

practice here!

DIVIDING FRACTIONS (USING COMMON DENOMINATORS)
 
2 min, Mathademics

DIVIDING FRACTIONS #1 (TIMES BY RECIPROCAL)
 
5 min, Math Antics

DIVIDING FRACTIONS #2 (TIMES BY RECIPROCAL)
 
3.5 min, Khan Academy

practice here!

DIVIDING MIXED NUMBERS (TIMES BY RECIPROCAL)
 
5 min, Math Meeting

ALGEBRA VIDEOS (LV400-499)

SOLVING 1 STEP +/- ALGEBRAIC EQUATIONS (INTRO)
 
11 min, Math Antics

GRAPHING INEQUALITIES 1
 
6 min, Khan Academy

practice here!

GRAPHING INEQUALITIES 2
 
1.5 min, Khan Academy

practice here!

PERCENT VIDEOS (LV500-599)

PERCENT INTRODUCTION
 
9 min, Math Antics

FINDING THE PERCENT OF A NUMBER
 
7.5 min, Math Antics

COORDINATE GRAPHING VIDEOS (LV600-699)

COORDINATE GRAPHING ON 4 QUADRANTS
 
8.5 min, Methodman

STATISTICS VIDEOS (LV700-799)

MEAN, MEDIAN, AND MODE
 
4 min, Khan Academy

practice here!

READING A BOX AND WHISKER PLOT
 
3 min, Khan Academy

practice here!