Reading a Tape Measure Easy as 1 2 3

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hi this is dr. Dixon I just wanted to

take an opportunity to introduce some of

you to measurement for the first time

and so you should have with you your

tape measure and if you look at your

tape measure your tape measure you

should have sixteen ticker marks in

between a one-inch space so let's count

really fast to make sure you have the

correct tape measure or ruler that has

16 ticking marks in between a 1-inch

space so if you start with the shortest

line just after let's say the six inch

mark let's count there should be 16 at

16 tick mark 1 2 3 4 5 6 7 8 9 10 11 12

13 14 15 and 7 makes the sixteenth inch

mark so there are 16 tikka marks between

a 1 inch space on your ruler so now

let's look at this in a different format

it I have taken the liberty of kind of

just blowing up a 1 inch ruler and then

placing within that 1 inch ruler the

measurement so those 16 lines are here

again represented with an actual

fraction beneath them so if you look at

the number the the lines in between the

one in between and one-inch space you

will notice that you have 16 lines again

so 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

and 16 here you notice the shorter lines

are your sixteenth so within a one-inch

space let me let me say this within a

one inch space those 16 16 lines are

divided or consider either as sixteenth

eighth fourths or halves so if you look

at this ruler you will see a number of


and you'll see a second roll of eights

that are represented and then you see

fourths and then you'll see halves so if

we are trying to determine measurement

you essentially need to remember that

within that one inch space you're going

to have sixteen 8/4 or half so let's try

to figure out how to take these

measurements on how to read on this tape

measure so you're looking at your

shortest lines your shorter lines are

always going to be 16 so they're they're

eight short lines within a one-inch

space so the shorter lines are always

sixteenth so if you look here you see

all of your shorter lines 116 3/16 5/16

7/16 9/16 11 16 13 16 and 15 16

those are always going to be your

shorter line your sixteenth or your

shorter lines your next longest line or

your would be the eights

there are fewer eighths within a 1-inch

space there's one eight three eight five

eight and seven eighths so you will only

need to remember that your second

shortest lines keep my mouth straight

here are going to be your eight then the

third longest line or your force so you

only have two of those 1 4 3 4 1 4 3 4

and then the longest line in and 1-inch

space is a half an inch so again your

shorter lines are your sixteenths and

notice all of your sixteenths also have

an odd number that means these lines are

not divisible by two are four or eight

our sixteenth for that matter so they

were going to have your odd numbers in

front of them so again all odd numbers

your shorter lines will have

numbers over 16 okay again these numbers

are not divisible by 8 4 or 2 so they're

going to be just an odd number over 16

again your second shortest line is your

your eight one eight three eight five

eight seven eight and your third longest

lines are your force 1/4 and 3/4 and the

longest line or the hash so if you're

reading your tape measure and you can't

remember oh my goodness what's the 16th

4/4 plus 1/8 where's the 1/2 pop up all

you really need to remember is just to

actually count the line so if you have

one two three four five six you

essentially take the number six and

place it over 16 and what I say that

this is what I mean so if you were

counting your lines on your ruler and

you could remember if it were force 8 16

so what have you all you need to do is

actually count the line 1 2 3 4 5 6 and

then put that number over 16 typically

you want to divide by 2 so you're going

to take 6 invisible by divided by 6 6 /

16 I'm sorry and then reduce both of

those numbers by 2 so 6 divided by 2 is

3 16 divided by 2 is 8 this will give

you the lowest common denominator or the

lowest common fraction of the most

reduced fraction and then you can take

this number and it actually represents

the actual measurement so if you were

counting the 6 line here 1 2 3 4 5 6

you'll notice 6 the sixth line on the

tape measure is actually 3/8 of an inch

so we flip over here 6 the sixth line /

16 6 is divisible by 2 reduces to 3 16

divided by 2 reduces to 8 and just a

quick look at another if you had 10 over

16 so if you're counting to 10 1 2 3 4

five six seven eight nine ten this is

the tenth line ten over sixteen you want

to reduce it ten is divisible by two ten

reduce by two is five sixteen reduced by

two is eight that gives you five eight

if we go back one two three four five

six seven eight nine ten the tenth line

on the ruler is five-eighths of an inch

so that's all you need to remember

whatever the number is

you just place it over 16 and reduce it

to its lowest common denominator and

here we have one that isn't where two

isn't going to reduce it to its actual

lowest common denominator so here we

have 12 over 16 so if you counted 12

lines within a one-inch space and could

remember who it was I saw an eighth or

fourth or 16th oh my goodness I can't

remember all you need to do is put that

number over 16 and then reduce so you

reduce by 212 reduced by 2 is 616

reduced by 2 is 8 6 8 can still be

reduced by 2 so 2 reduced by 6 is 3

reduce by 8 is 4 and so now 12 over 16

is the actually 3/4 of an inch so if we

go back and look and we count 1 2 3 4 5

6 7 8 9 10 11 12 the 12th line is 3/4 so

this is measurement in a nutshell so

review it replayed if you need to ask

questions and again the shortest lines

are your 16 second shortest lines or

your 8th third shortage lunge or your

force and the longest line of course is

a 1/2 have any questions just ask I'll

be happy to re-explain it maybe I need

to explain in a different way or more

directly to you but take some time

replay this slowed it down and actually

practice a few fractions just

count the line see if you can actually

do the reduction of the fraction if you

find a number such as 10 over 8 or 6


I'm sorry 10 over 16 or six over 16 and

reduce those numbers okay now I have a

good one and I'll talk with you soon hi