TRƯỜNG ĐẠI HỌC HÙNG VƯƠNG
KHOA TOÁN TIN
-----------------------
ĐẶNG NGỌC TÂN
XÂY DỰNG KẾ HOẠCH BÀI HỌC CHỦ ĐỀ
MẶT NÓN, MẶT TRỤ, MẶT CẦU
THEO ĐỊNH HƯỚNG TĂNG CƯỜNG TRẮC NGHIỆM
KHÁCH QUAN
KHÓA LUẬN TỐT NGHIỆP ĐẠI HỌC
Ngành: Sư phạm Toán
Phú Thọ, 2018
TRƯỜNG ĐẠI HỌC HÙNG VƯƠNG
KHOA TOÁN TIN
-----------------------
ĐẶNG NGỌC TÂN
XÂY DỰNG KẾ HOẠCH BÀI HỌC CHỦ ĐỀ MẶT
NÓN, MẶT TRỤ, MẶT CẦU THEO ĐỊNH HƯỚNG
TĂNG CƯỜNG TRẮC NGHIỆM KHÁCH QUAN
KHÓA LUẬN TỐT NGHIỆP ĐẠI HỌC
Ngành: Sư phạm Toán
NGƯỜI HƯỚNG DẪN: TS. Đặng Thị Phương Thanh
Phú Thọ, 2018
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Bài WӵOX\ӋQVӕ1JѭӡLWDPXӕQWXVӱD[XQJTXDQKPӝWWzDWKjQKFәKuQK
WUөFDR
bán kính
EҵQJFiFKWKD\JҥFKӕS[XQJTXDQKErQQJRjL
WzD WKjQK ÿy &iF Nƭ Vѭ WtQK ÿѭӧF GLӋQ WtFK FiF FәQJ Fj Eӡ WUrQ WzD WKjQK
NK{QJFҫQWKD\JҥFKӕSNKRҧQJGLӋQWtFKFҫQWKD\PӛLPpWYX{QJFҫQ
YLrQJҥFK7tQKVӕYLrQJҥFKFҫQVӱGөQJÿӇWXVӱDWzDWKjQKÿy
ĈiSV͙ : .KR̫QJYLrQJ̩FK
Bài WӵOX\ӋQVӕ0ӝWEӗQFKӭDQѭӟFKuQKWUөFyFKLӅXFDR
ÿѭӡQJ WUzQ ÿi\
bán kính
1JѭӡL WD PXӕQ VѫQ EҧR YӋ [XQJ TXDQK Yj SKLD WUrQ
EӗQFKӭDQѭӟFĈӇVѫQ[RQJEӗQFKӭDQѭӟFQj\QJѭӡLWDFҫQPXDEDRQKLrX
WKQJVѫQ "%LӃWPӛLWKQJ VѫQÿѭӧFNKRҧQJ
ĈiSV͙ 9 thùng
Bài WӵOX\ӋQVӕ &KRNKӕLQyQEiQNtQKÿi\
YjFyJyFӣÿӍQKOj
+m\WtQKGLӋQWtFKFӫDWKLӃWGLӋQÿLTXDKDLÿѭӡQJVLQKYX{QJJyF
YӟLQKDX
ĈiS V͙
%jLWӵOX\ӋQVӕ7tQKGLӋQWtFK[XQJTXDQKYjWKӇWtFKNKӕLQyQWUzQ[RD\
WҥRWKjQKNKLTXD\WDPJLiFÿӅXFҥQKDTXDQKWUөFOjPӝWÿѭӡQJWUXQJWX\ӃQ
ĈiSV͙
b. Bài tұSWUҳFQJKLӋP
Câu 1. .KLTXD\PӝWWDPJLiFYX{QJTXDQKWUөFOjPӝWFҥQKJyFYX{QJWDWKX
ÿѭӧFKuQKJu"
A. Hình nón.
%+uQKWUө
C. Hình chóp.
'+uQKFҫX
10
Câu 2. Cho hình thang
ÿi\ OӟQ
.ҿ ÿѭӡQJ FDR
4XD\KuQKWKDQJTXDQKWUөF
thang,
FӫD KuQK
WDÿѭӧF
$0ӝWKuQKWUө
%0ӝWKuQKQyQFөW
&0ӝWKuQKFҫX
'0ӝWKuQKQyQ
Câu 3. 1ӃXWăQJFKLӅXFDRFӫDKuQKWUөOrQEӕQOҫQÿӗQJWKӡLJLҧPEiQNtQK
ÿi\FӫDNKӕLWUөÿy[XӕQJKDLOҫQWKuWKӇWtFKNKӕLWUө
$*LҧPKDLOҫQ
%.K{QJÿәL
&7ăQJKDLOҫQ
'7ăQJEӕQOҫQ
Câu 4. 1ӃX WăQJ EiQ NtQK ÿi\ FӫD PӝW KuQK QyQ OrQ 3 OҫQ ÿӗQJ WKӡL JLҧP
FKLӅXFDRFӫDKuQKQyQÿyÿL3 OҫQWKuWKӇWtFKFӫDNKӕLQyQ
$*LҧPOҫQ
%.K{QJÿәL
&7ăQJOҫQ
'7ăQJOҫQ
Fyÿi\OjWDPJLiFYX{QJWҥL
Câu 5. Cho hình chóp
vng góc
YӟLÿi\7kPPһWFҫXQJRҥLWLӃSOj
$7UXQJÿLӇPFҥnh
$7UXQJÿLӇPFҥnh
$7UXQJÿLӇPFҥQh
'7UӑQJWkPKuQKFKyS
&%¬,7Ұ39ӄ1+¬
%jLWұSWӵOXұQ
%jLWұSVӕTính EiQNtQKYjWKӇWtFKPһWWUөQJRҥLWLӃSKuQKOăQJWUөWDP
JLiFÿӅXFҥQK
&KLӅXFDROăQJWUөOj
ĈiSV͙
%jL WұS Vӕ . 7URQJ PһW SKҷQJ
*ӑL
YӟL
WҥL
FKR ÿѭӡQJ WUzQ
OjPӝWÿLӇPGLÿӝQJWUrQÿѭӡQJWUzQ.ҿ
'ӵQJ ÿѭӡQJ WKҷQJ YX{QJ JyF YӟL
WKҷQJÿyOҩ\ÿLӇP
sao cho
PһWFҫXQJRҥLWLӃSWӭGLӋQ
ĈiSV͙ %iQNtQKOͣQQK̭WOj
WҥL
ÿѭӡQJ NtQK
vuông góc
7UrQ ÿѭӡQJ
Tính gii WUӏOӟQQKҩWFӫDEiQNtQK
11
%jLWұSVӕ&ҳWKuQKQyQÿӍQK
EӣLPһWSKҷQJÿLTXDWUөFWDÿѭӧFPӝWWDP
JLiFYX{QJFkQFyFҥQKKX\ӅQEҵQJ
a) Tính GLӋQWtFK[XQJTXDQKGLӋQWtFKÿi\YjWKӇWtFKFӫDNKӕLQyQÿy.
b) Cho dây cung
FӫD ÿѭӡQJ WUzQ ÿi\ KuQK QyQ VDR FKR PһW SKҷQJ
WҥRYӟLPһWSKҷQJFKӭDÿi\KuQKQyQPӝWJyF
TíQKGLӋQWtFKWDP
giác
ĈiSV͙
a)
b)
%jL WұS Vӕ 4. 7URQJ NK{QJ JLDQ FKR KDL ÿLӇP
*ӑL
OjPӝWÿѭӡQJWKҷQJWKD\ÿәLOX{QOX{QÿLTXD
PӝWNKRҧQJEҵQJ
cách
Fӕ ÿӏQK Yj Fy ÿӝ GjL
&KӭQJWӓUҵQJÿѭӡQJWKҷQJ
và
luôn ln
QҵPWUrQPӝWPһWQyQKm\[iFÿӏQKWUөFÿѭӡQJFDRvà bán kinh hình QyQÿy
ĈiSV͙
, 0̿WQyQFyWUͭFOj
ÿ˱ͥQJFDR
%jLWұSWUҳFQJKLӋP
Câu 1. &KRPһWWUө
ĈѭӡQJWKҷQJ
YjPӝWÿLӇP
WKD\ÿәLÿLTXD
FyWKӇWUQJQKDX
*ӑL
(
ÿLӇP
FӕÿӏQKQҵPErQQJRjLPһWWUө
YjOX{QFҳWPһWWUө
WҥLKDLÿLӇP
OjWUXQJÿLӇPÿRҥQWKҷQJ
7ұSKӧSFiF
là
$0ӝWPһWSKҷQJÿLTXD
%0ӝWPһWFҫXÿLTXD
&0ӝWPһWQyQFyÿӍQKOj
D. 0ӝWKuQKFKӳQKұW.
Câu 2. Trong không gian, cho hai ÿLӇP
VDRFKRGLӋQWtFKWDPJLác
SKkQELӋWĈLӇP
WKD\ÿәL
NK{QJÿәL.KLÿyWұSKӧSWҩWFҧFiFÿLӇP
OjPӝW
A. MһWSKҷQJ
B. MһWWUө
C. MһWQyQ
D. MһWFҫX
12
Câu 3. &KRPӝWKuQKFҫXQӝLWLӃSWURQJPӝWKuQKQyQYjPӝWKuQKWUөQJRҥL
WLӃSKuQKFҫXFyÿi\GѭӟLQҵPWURQJPһWSKҷQJÿi\FӫDKuQKQyQ*ӑL
OҫQOѭӧWOjWKӇWtFKFӫDKuQKQyQYjKuQKWUө*LiWUӏQKӓQKҩWFӫDWӍVӕ
B.
A.
là
D.
C.
Câu 4. 7URQJWҩWFҧFiFKuQKQyQFyGLӋQWtFKWRjQSKҫQOj
hình nón có
WKӇWtFKOӟQQKҩWEҵQJ
B.
A.
Câu 5. &KRWDP JLiF ÿӅX
JҩSNK~F
D.
C.
FҥnK EҵQJ
TXD\ TXDQK FҥQh
ÿѭӡQJ
WҥRWKjQKPӝWKuQKQyQFyWKӇWtFKEҵQJ
A.
B.
D.
C.
'ĈÈ3È175Ҳ&1*+,ӊ0
%jLWұSWUrQOӟS
Câu
1
2
3
4
5
ĈiSiQ
A
B
B
D
A
Câu
1
2
3
4
5
ĈiSiQ
D
B
A
A
B
%jLWұSYӅQKj
13
1.2 .ӃKRҥFKEjLKӑF 0Һ71Ï175Đ1;2$<
A. /é7+8<ӂ775Ӑ1*7Ỉ0
1. .KiLQLӋPPһWQyQWUzQ[RD\
7URQJ PһW SKҷQJ P
FKR KDL ÿѭӡQJ
WKҷQJ
và d FҳWQKDXWҥLS WҥRWKjQKJyF
YӟL
0һWWUzQ[RD\VLQKra
EӣL ÿѭӡQJ WKҷQJ
(P) xung quanh
NKL TXD\ PһW SKҷQJ
sao cho góc
khơng
ÿәLJӑLOjP̿WQyQWUzQ[RD\ÿ͑QK2 JӑL
WҳWOjP̿WQyQ
: WUөFFӫDPһWQyQ
:ÿӍQKFӫDPһWQyQ
Hình 1.2
ÿѭӡQJVLQKFӫDPһWQyQ
: JyFӣÿӍQKFӫDPһWQyQ.
2. +uQKQyQYjNKӕLQyQ
&KR PһW QyQ
YӟL WUөF
Yj JyF ӣ ÿӍQK Oj
*ӑL
SKҷQJYX{QJJyFYӟL
WҥL
ÿӍQK
Oj PһW
khác
FҳW
PһW QyQ WKHR WKLӃW GLӋQ Oj ÿѭӡQJ WUzn
OjPһWSKҷQJYX{QJJyFYӟL
WҥL
.KLÿySKҫQFӫDPһWQyQ
JLӟL KҥQ EӣL KDL PһW SKҷQJ
FQJ YӟL ÿѭӡQJ WUzQ
ÿѭӧF JӑL Oj
hình nón.
9ӟLKuQKQyQ
OjÿӍQKYj
ta có:
OjWUөFFӫDKuQKQyQ
*yFӣÿӍQKFӫDKuQKQyQOj
OjFKLӅXFDRFӫDKuQKQyQ
Hình 1.3
14
OjEiQNtQKFӫDKuQKQyQ
OjÿѭӡQJVLQKFӫDKuQKQyQ
.K͙LQyQ OjSKҫQNK{QJJLDQJLӟLKҥQEӣLKuQKQyQNӇFҧKuQKQyQÿó.
3. 'LӋQWtFKKuQKQyQYjWKӇWtFKNKӕLQyQ
Cho hình nón
FyFKLӅXFDR
EiQNtQKÿi\ YjÿѭӡQJVLQK
ta có:
'LӋQWtFK[XQJTXDQKFӫDKuQKQyQ
'LӋQWtFKWRjQSKҫQFӫDKuQKQyQ
7KӇWtFKNKӕLQyQ
%+2Ҥ7ĈӜ1*75Ç1/Ӟ3
1.KӣLÿӝQJ
ĈLӅQÿ~QJ
sai
YjRFӝWWUѭӟFEjLKӑFFӫDEҧQJGѭӟLÿk\
7UѭӟFEjL
&iFPӋQKÿӅ
KӑF
Sau bài
KӑF
&ҳWPһWQyQWUzQ[RD\EҵQJPӝWPһWSKҷQJVRQJ
VRQJYӟLWUөFFӫDQyQWKXÿѭӧFPӝWÿѭӡQJWUzQ
7KLӃWGLӋQTXDWUөFFӫDKuQKQyQOjPӝWWDPJLiF
cân.
+uQKQyQOX{QOX{QFKӭDPӝWÿѭӡQJWKҷQJ
1ӃXWăQJÿӝGjLEiQNtQKÿi\OrQOҫQWKuWKӇ
WtFKNKӕLQyQWѭѫQJӭQJVӁWăQJOҫQ
7ұSKӧSFiFÿѭӡQJWKҷQJÿLTXDPӝWÿLӇPFӕ
ÿӏQKWKXӝFPӝWPһWSKҷQJYjWҥRYӟLPһWSKҷQJ
ÿyPӝWJyFNK{QJÿәL
OjPӝWPһWQyQ
2. Giáo viên KѭӟQJGүQKӑFVLQKOjPEjL
9tGө 7tQKGLӋQWtFK[XQJTXDQKGLӋQWtFKWRjQSKҫQYjWKӇWtFKFӫDNKӕL
QyQFyÿѭӡQJNtQKÿi\EҵQJ
+˱ͣQJG̳Q
YjÿѭӡQJVLQKEҵQJ
15
Ta có:
%iQNtQKÿi\
&KLӅXFDRKuQKQyQ
'LӋQWtFKÿi\
'LӋQWtFK[XQJTXDQK
'LӋQWtFKWRjQphҫQ
7KӇWtFKNKӕLQyQ
9tGө2: &KRKuQKFKӳQKұW
7tQKGLӋQWtFKWRjQ
có
SKҫQFӫDNKӕLWUzQ[RD\khi quay tam giác
quanh
+˱ͣQJG̳Q
Tam giác
YX{QJWҥL
có:
.KӕLWUzQ[RD\OjNKӕLQyQFy
'LӋQWtFKWRjQSKҫQNKӕLQyQOj
9tGө &ҳWKuQKQyQÿӍQK
EӣLPӝWPһWSKҷQJÿLTXDWUөFWDÿѭӧFPӝWWDP
JLiFYX{QJFkQFyFҥQKKX\ӅQEҵQJ
7tQKWKӇWtFKNKӕLQyQÿy
+˱ͣQJG̳Q
7KLӃWGLӋQFӫDPһWSKҷQJYӟLKuQKFKySOjWDPJLiFYX{QJFkQ
nên
16
7KӇWtFKNKӕLQyQOj
9tGө &KRKuQKQyQFyEiQNtQKÿѭӡQJWUzQÿi\
FKLӅXFDR
0ӝWWKLӃWGLӋQÿLTXDÿӍQKKuQKQzQFyNKRҧQJFiFKWӯWkPFӫDÿi\ÿӃQPһW
SKҷQJFKӭDWKLӃWGLӋQOj
7tQKGLӋQWtFKWKLӃWGLӋQÿy
+˱ͣQJG̳n:
*ӑLWkPÿѭӡQJWUzQÿi\YjJLDRWX\ӃQFӫDWKLӃW
GLӋQYӟLÿi\OҫQOѭӧWOj
và
WUXQJÿLӇPFӫD
*ӑL là
'ӵQJ
Trong tam giác
YX{QJWҥL
có:
9tGө 7tQKWKӇWtFKNKӕLQyQQJRҥLWLӃSNKӕLWӭGLӋQÿӅXYӟLOjÿӍQKQyQ
ÿѭӡQJWUzQQJRҥLWLӃSWDPJLiFOjÿѭӡQJWUzQÿi\FӫDNKӕLQyQ
+˱ͣQJG̳Q
&KLӅXFDRFӫDNKӕLWӭGLӋQEҵQJFKLӅXFDRFӫDNKӕLFKySOj
WUzQÿi\NKӕLFKySOjÿѭӡQJWUzQQJRҥLWLӃSWDPJLiF
ÿi\FӫDNKӕLQyQOj
ĈѭӡQJ
.KLÿyEiQNtQK
.
7KӇWtFKNKӕLQyQOj
3+ӑFVLQKtӵOjPFiFEjLWұSVDXWUrQOӟS
a. %jLWұSWӵOXұQ
'ҥQJ7tQKGLӋQWtFK[XQJTXDQKFӫDKuQKQyQYjWKӇWtFKFӫDNKӕLQyQ
'ҥQJ&KӭQJPLQKÿѭӡQJWKҷQJ
OX{QWKXӝFPӝWPһWQyQWUzQ[RD\
'ҥQJ7tQKGLӋQWtFKWKLӃWGLӋQFӫDKuQh nón
17
%jLOX\ӋQ Vӕ 1. Trong không gian cho tam giác vuông
Yj FҥQK
JҩSNK~F
Khi quay tam giác
YX{QJWҥL
quanh
góc
WKu ÿѭӡQJ
WҥRWKjQKPӝWKuQKQyQ
D