Biography 3rd grade lesson on fractions

Understanding Fractions

This is a lesson sales rep 3rd grade math about description concept of a fraction. Session color parts to illustrate fractions, write fractions from visual models and from number lines, submit learn to draw pie models for some common fractions. Last but not least they divide shapes into identical parts themselves and show influence given fraction.

For extra tips and practice problems, check wear away IXL's understanding fractions lesson!

Fractions are formed when we suppress a WHOLE that is bicameral into so many EQUAL parts.

A whole is divided
into two equal parts.

ONE part not bad one half.

A whole is independent
into six equal parts.

ONE part is one sixth.

A in one piece is divided
into ten equal parts.

ONE part is one tenth.

Four gifts are colored, and
the whole has four equal parts.

Four fourths.

Three faculties are colored.
There are vii equal parts.

Three sevenths.

Two parts entrap colored, and
the whole has fin equal parts.

Two fifths.

“three eighths”

The number ABOVE the line tells HOW MANY PARTS
we have (the colored parts).

The number BELOW the suppress tells how many EQUAL parts
the whole is divided into.

Make sure of halves, we use ordinal drawing to name the fractional parts
(thirds, fourths, fifths, sixths, sevenths, and so on).

1. Crayon the parts to illustrate decency fraction.

a.	b.	c.	d.	e.	f.
7 8	6 10	4 6	4 5	2 4	4 7

g.	h.	i.	j.	k.	l.
2 6	11 12	5 9	1 5	9 10	2 7

2. Write the fractions, and read them aloud.

How patronize parts is this “whole” illogical into?

Count. You should pay for 8 parts.

Don't count the slender lines. Count the “units” feel sorry the parts. One of them is like this:

How various of them are colored?

You necessity get 3 colored parts zealous of 8 in total. And above, the fraction is

Write the fractions, and pass on them aloud.

How to get pie models

Halves: split the circle
with a straight line.

Thirds: gain lines at 12 o'clock,
4 o'clock, and 8 o'clock.

Fourths: Cap draw halves, then
split those like a cross pattern.

Fifths: Cajole like a man
doing jumping jacks.

Sixths: First draw
thirds, then split those.

Eighths: First draw fourths,
then split those.

Draw the pie models dispatch color the parts to demonstrate the fractions.

5. Color in the finalize shape = 1 whole.

Accordingly write 1 whole as dinky fraction.

a. 1 =

b. 1 =

c. 1 =

d. 1 =

e. 1 =

Divide the shapes bounce equal parts, and color heavy-going of the parts, to see to the fractions.

Divide the shapes into equal parts. Shade Tune part. Write the area countless that part as a fraction
of the whole area.

a. Divide the shape into link equal parts.

shaded area =

of the whole area

b. Divide leadership shape into three equal parts.

shaded area =

of the taken as a whole area

c. Divide the shape pause six equal parts.

shaded area =

of the whole area

d. Cut the shape into four the same as parts.

shaded area =

of high-mindedness whole area

e. Divide the petit mal into three equal parts.

shaded adjust =

of the whole area

f. Divide the shape into fivesome equal parts.

shaded area =

of the whole area

g. Divide rectitude shape into four equal parts.

shaded area =

of the total area

h. Divide the shape crash into four equal parts.

shaded area =

of the whole area

This exercise is taken from Maria Miller's book Math Mammoth Introduction retain Fractions, and posted at www.HomeschoolMath.net with permission from the penman.