แผนการจัดกิจกรรมการเรียนรู้ที่ 3 แผนการจัดกิจกรรมการเรียนรู้โดยเน้นการคิดแบบฮิวริสติกส์ หน่วยการเรียนรู้ที่ 1 สมการเชิงเส้นตัวแปรเดียว เรื่องย่อย คาตอบของสมการเชิงเส้นตัวแปรเดียว
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10 (2 )
( TGT)
( Jigsaw II)
3 .. 57 7 .. 57
10 .. 57
13 .. 57 14 .. 57 17 .. 57 21 .. 57 24 .. 57
28 .. 57
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2. 2.1 2.2 2.3 2.4 2.5
x - 9 = -3
-2 (-3 ) - 9 -3 - 0 0 - 9 -3 - 3 3 - 9 -3 - 6 6 - 9 = -3 -
y + 5 = 1
-6 (-6 ) + 5 1 - -4 (-4 ) + 5 = 1 - 2 2 + 5 1 - 6 6 + 5 1 -
x y
1 2=7+a
2=7+(-9)
a -9 2=7+a
2=7+a -9
-9
116
2 12=4-b 2
12=4-)(4 2
b 4 12=4-b 2
124)4( 2 b -4 12=4-b 2
12=4-b 2 4 -4
4 -4 3 c+5=5+c c
c+5=5+c c+5=5+c 4 d=d+2 d d=d+2 d=d+2
1 , 2 , 3 4 3
1. 1 2 2. 3 3. 4
117
() 1. (Relate)
1.1 1.2
2. (Investigate)
2.1 3
2.2 1 , 2 , 3 4 1 , 2 , 3 4
2.3 3. (Evaluate and Communicate)
3.1
3.2 3-4 3.3
3.4
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3.5 3 4. (Create)
4.1
4.2 4-6
4.3
1. 3
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90-100 4 80-89 3 70-79 2 70 1
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1. 3
2. 3
3. 4. 5. 6.
125
3
x
x - 9 = -3
-2 (-3 ) - 9 -3 - 0 0 - 9 -3 3 3 - 9 -3 6
y + 5 = 1
-6 -4 2 6
x y
1 2=7+a
2=7+(-9)
a -9 2=7+a
2=7+a -9
-9
................................................................................................
126
2 12=4-b 2
12=4-)(4 2
b 4 12=4-b 2
124)4( 2 b -4 12=4-b 2
12=4-b 2 4 -4
4 -4 3 c+5=5+c
c c+5=5+c
c+5=5+c
4 d=d+2
d d=d+2
d=d+2
1, 2, 3 4 ......
............................................................................................................................. ................................................................................... .......................................... ............................................................................................................................. ....................................................................................... ...................................... ............................................................................................................................. ........................................................................................... ..................................
127
3
1.
1. 4 + x = 8 4
2. 6
a - 1 = -12 -2
3. x + 7 = 7 - x -7
4. 0.6x 1 = 0 6
10
5. 18 - 3x = 9 3
6. 2
5 - 9
4 = -y 4
1
7. -7.6 = x 1.4 -6.2 8. -m 5 = -9.5 -7.5 9. 1=
8
3+x 11
10. 2a +3a = 5 -1
11. 3
1=2+x
6
5 2
1
12. 3n 5 = 5 - n 0
128
2. 1.
(1) 20=9+a [11] (6) 25.7 x = 15.5 [10.2]
(2) 10 + y = 22 [4] . (7) 5.4=8
a [36]
(3) 4=2
11+x [2
2
1] .... (8) 125=a4 [25]
(4) 4
116=x+
4
311 [5
2
1] (9) 4 x 6 = 28 [9]
(5) a + 3.2 = 5.4 [2.2] (10) 15=6+8
y-5 [32]
2.
(1) 9 + 8 + 7 (6) ( + 14 ) - 8 13
(2) 6 301 (7) 126
(3) 1043
1
(8) 462
36
(4) ( + 2 ) 5 27 (9) 11568
(5) ( 6 ) + 15 15 (10) 35 ( 3 ) 8
129
3.
............. (1) 3 = 6 3
............. (2) 3 = 6 x
............. (3) 6x = x
............. (4) 6 6x = 18
............. (5) -4 16=x 2
............. (6) 3 + a = a + 3
............. (7) x + c = x + (-c) c 0
............. (8) 0=3
x 0
............. (9) x=x+3
............. (10) x(x 1) = 20 2 4 -5
130
3 10 . . .. 2557
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4 4 4 12
1 4 3 4 11 2 4 3 3 10 3 4 3 4 11 4 4 3 2 9 5 3 4 3 10 6 4 3 3 10 7 4 3 3 10 8 4 3 3 10 9 4 3 4 11 10 3 4 3 10 11 3 3 4 10 12 4 3 3 10 13 3 3 3 9 14 3 3 3 9 15 3 2 2 8 16 2 3 3 8 17 4 3 3 10 18 4 3 3 10
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70 8 () ............................................... ( )
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19 10 9 19 20 8 9 17 21 8 9 17 22 9 9 18 23 10 9 19 24 10 9 19 25 8 9 17 26 8 9 17 27 10 9 19 28 8 7 15 29 8 9 17 30 9 9 18 31 10 9 19
70 14 () ............................................... ( )
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1 3 3 6 2 3 2 5 3 3 2 5 4 3 3 6 5 3 2 5 6 3 3 6 7 3 2 5 8 3 2 5 9 3 3 6 10 3 2 5 11 3 3 6 12 3 2 5 13 3 2 5 14 3 3 6 15 3 2 5 16 2 3 5 17 3 3 6 18 3 2 5
136
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3 3 6
19 2 3 5 20 3 3 6 21 3 2 5 22 3 2 5 23 3 3 6 24 3 2 5 25 3 3 6 26 3 2 5 27 3 2 5 28 3 3 6 29 3 2 5 30 2 3 5 31 3 3 6
70 4 () ............................................... ( )
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1.1 1.2 1.3
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1 13 13 26 2 11 13 24 3 13 13 26 4 12 11 23 5 13 13 26 6 12 14 26 7 11 12 23 8 12 12 24 9 13 13 26 10 13 12 25 11 12 12 24 12 13 12 25 13 12 12 24 14 11 13 24 15 13 13 26 16 12 11 23 17 13 13 26 18 12 14 26
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15 15 30
19 14 12 26 20 11 10 21 21 12 12 24 22 11 13 24 23 13 13 26 24 12 14 26 25 13 13 26 26 13 12 25 27 12 12 24 28 11 10 21 29 13 13 26 30 12 14 26 31 13 13 26
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