Module 2 Amazing things.Unit 4 Numbers.教学设计

4.1.1Numbers
教案
1教学目标
1.Know
more
information
about
numbers.
2.
Study
some
signs
and
the
usage
about
them.
3.
Practise
reading
and
speaking
skills
by
reading
the
passage
individually
and
in
calss.
4.
Apply
what
the
students
learned
in
the
class
to
practise.
5.
Cultivate
team
spirit
tounderstand
the
importance
of
numbers
to
our
daily
lives
better.
2学情分析
本班学生的英语基础较薄弱,有百分之二十左右的学生经常处于低分的状态。但在经过半年的情感沟通与基本常规训练后,激发了一部分学生的英语学习兴趣,使他们的潜在能力得到了初步的发挥,预、复习的自觉程度也有了很大的提高。
3重点难点
1.
Learn
more
about
the
international
language
of
numbers
and
get
the
main
idea
of
each
part
by
themselves
2.
Use
numbers
and
signs
correctly
to
state
their
ideas
4教学过程
4.1
第一课时
4.1.1Numbers
Teaching
Aims
Knowledge
aims:
Know
more
information
about
numbers.
Study
some
signs
and
the
usage
about
them.
Ability
aims:
Practise
reading
and
speaking
skills
by
reading
the
passage
individually
and
in
calss.
Apply
what
the
students
learned
in
the
class
to
practise.
Humane
aims:
Cultivate
team
spirit.
Understand
the
importance
of
numbers
to
our
daily
lives
better.
Teaching
Emphasis
Learn
more
about
the
international
language
of
numbers.
Use
numbers
and
signs
correctly
to
state
their
ideas.
Teaching
Difficulty
Get
the
main
idea
of
each
part
by
themselves
Teaching
keys
Useful
signs
in
mathematics:
add,
plus,
minus,
subtract...from,
divided
...by,
multiply...
by
etc.
Teaching
Aids
Multi-media
project.
Students’
Book8,tape
recorder
Teaching
procedure
I.
Pre-task
preparation:
A.
Ask
the
students
to
guess
my
favorite
numbers
and
the
reasons
to
activate
language.
September
10th
October
1st
July
4th
2,
6
B.
Numbers
are
everyone’s
language
a.
Work
in
pairs
to
find
out
the
situations
which
we
use
numbers
in
our
daily
life.
eg.
1.
Wake
up
--------
look
at
time
on
clock
2.
Go
to
bus-stop
and
look
for
bus
number
3.
Count
money
for
bus
fare
…
b.
Some
jobs
use
numbers
a
lot.
eg.
architects,
accountants,
engineers,
scientists,
salespersons,
hawkers,
bankers,
teachers,
…
C:
Match
the
words
with
the
pictures,
signs
and
numbers
II.
While-task
procedure:
A:
Before
reading
the
article,
look
at
the
title,
the
introduction,
the
headings
and
the
pictures.
Think:
How
many
sections(部分)are
there
in
this
passage
What
are
they
Ancient
numbers
Zero
Calculating
machines
Brain
against
computer
B:
Read
the
article
and
tell
whether
the
following
statements
are
true
or
false.
(
)1.In
ancient
times,
numbers
were
written
in
different
ways,
but
counting
was
nearly
always
in
tens.
(
)
2.
Everyone
uses
the
numbers
system
1
to
9
plus
0
(zero).
(
)
3.
The
numbers
system
was
invented
by
the
Chinese.
(
)4.Zero
makes
it
even
more
difficult
to
write
big
numbers
and
to
calculate.
(
)
5.
People
use
abacuses,
calculators
and
computers
to
calculate.
(
)
6.
Calculators
cannot
calculate
percentages
and
square
roots.
(
)7.
Computers
can
work
only
when
human
beings
program
them
with
instructions.
C:Read
again
and
answer
the
following
questions:
1.What
do
you
think
of
the
numbers
Why
2.How
do
Roman
write
the
number
6
3.Who
invented
the
1
to
9
system
4.Was
it
important
Why
5.What
was
the
first
calculating
machine
6.What
can
a
modern
eletronic
calculator
do
7.Is
computer
powerful
8.Which
is
more
powerful,
human
brain
or
computer
D.
Fill
in
the
blanks
Everyone
knows
at
least
_____
languages:
______________
language
and
________.
In
ancient
times,
people
wrote
numbers
in
________
ways,
but
nearly
all
counted
in
___________
way:
________.
People
call
the
brain
_______________.
4.
The
computer
couldn’t
calculate
as
________
as
Shakuntala.
5.
Abacuses
are
so
________________.
III.
Post-task
activity:
A:
Discuss
the
main
ideas
of
each
part
in
groups:
P1:
Ancient
numbers
----
In
ancient
times,
numbers
were
written
in
different
ways,
but
counting
was
nearly
always
in
tens.
P2:
Zero----
Everyone
uses
the
number
system
1
to
9
plus
0
(zero).
The
system
was
invented
by
the
Indians.
Zero
makes
it
easier
to
write
big
numbers
and
to
calculate.
P3–
5:
Calculating
machines
----
Descriptions
of
three
calculating
machines:
the
ancient
abacus,
the
modern
electronic
calculator
and
the
computer.
P6—9:
Brian
against
computer
----
An
account
of
an
actual
competition
between
an
Indian
lady
and
a
computer
in
which
the
lady
won.
Computers
cannot
do
anything
by
themselves.
They
must
be
programmed
by
human
beings.
IV.
Homework:
A:
Play
“24
count
card”
game
after
class
B:
Workbook
:Page
20
C:
Grammar
Practice
Book:
Page
21
4.1.2教学活动
活动1【活动】Numbers
Post-taskactivity:
A:Discussthemainideasofeachpartingroups:
P1:Ancientnumbers----Inancienttimes,numberswerewrittenindifferentways,butcountingwasnearlyalwaysintens.
P2:Zero----Everyoneusesthenumbersystem1to9plus0(zero).ThesystemwasinventedbytheIndians.Zeromakesiteasiertowritebignumbersandtocalculate.
P3–5:Calculatingmachines----Descriptionsofthreecalculatingmachines:theancientabacus,themodernelectroniccalculatorandthecomputer.
P6—9:Brianagainstcomputer----AnaccountofanactualcompetitionbetweenanIndianladyandacomputerinwhichtheladywon.Computerscannotdoanythingbythemselves.Theymustbeprogrammedbyhumanbeings.
活动2【作业】Numbers
IV.
Homework:
A:
Play
“24
count
card”
game
after
class
B:
Workbook
:Page
20
C:
Grammar
Practice
Book:
Page
21