Using a Ruler It is very easy to use a ruler. First put the
object on the edge or the 0 of ruler. Then see where the other end
of the object is on the ruler. 07 inches
Slide 3
Using a Ruler If the object is bigger than the ruler you will
need to.. put your finger at the end of the ruler pick up the ruler
then put the edge or 0 of the ruler where your finger is and add
the length of the ruler to your measurement. 12 9 33
Slide 4
Reading a Ruler Inch or 2/4 Next full inch
Slide 5
Reading a Ruler (Inches) The biggest lines on the ruler are the
inch marks. If we are just using inches, then we round to the
nearest inch if the object is somewhere in-between. Both would be 7
since they are both closest to the 7
Slide 6
Reading a Ruler (Inches) To the nearest inch, how long are
these objects? 5 inches About 4 inches About 6 inches
Slide 7
Reading a Ruler (1/2) The second biggest lines, half way
between the inch marks, are the half inch marks. When you measure
an object to the half inch mark, you first say the number you just
passed and then . Just passed the 4 so it is 4 and
Slide 8
Reading a Ruler (1/2) Try measuring these objects to the
nearest inch. Remember that if it is not right on it then round to
the nearest half inch, which may mean rounding to the closest inch.
4 and inches About 5 inches About 7 and a inches
Slide 9
Reading a Ruler (1/4) The lines half way between the inch marks
and the marks are marks When you measure an object to the quarter
inch mark, you first say the number you just passed and then or . 4
and 4 and
Slide 10
Reading a Ruler (1/4) Try measuring these objects to the
nearest inch. Remember that if it is not right on it then round to
the nearest quarter inch, which may mean rounding to the closest
inch, quarter or half. 5 and inches 6 and inches 7 and inches
