penggunaan jspg bm
TRANSCRIPT
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13 April 2023
7
MATEMATIK KBSR
×+3 -
÷
5
8 =Jadual Sifir Pelbagai Guna
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Apakah Jadual Sifir “PG”
Turutan Jawapan Sifir1 hingga 9
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Mengapakah Perlu Mengusai Jadual Sifir “PG” ?
Membantu murid yang tidak menguasai sifir
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• Dalam proses pembelajaran Matematik untuk beberapa
kemahiran tertentu. • Semasa latihan, ujian dan
peperiksaan (PKBS / UPSR)
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Kelebihan Menggunakan JSPG
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JSPG (Jadual Sifir Pelbagai Guna
1 2 3 4 5 6 7 8 9
2 4 6 8 10 12 14 16 18
3 6 9 12 15 18 21 24 27
4 8 12 16 20 24 28 32 36
5 10 15 20 25 30 35 40 45
6 12 18 24 30 36 42 48 54
7 14 21 28 35 42 49 56 63
8 16 24 32 40 48 56 64 72
9 18 27 36 45 54 63 72 81
DARAB
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Cara Biasa
27× 6
42 12
327× 4
2808
12
9374× 5
2035
15 45
2D × 1D 3D × 1D 4D × 1D
DARAB27× 6162
+ 261 +
8 0 3 1 + 0 7 8 6 4
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9374× 5
12468× 4
123456× 7
4D × 1D 5D × 1D 6D × 1D
DARAB
20 35
15 45 +
7 8 6 4
32 24
16 08
04
0 +
2 7 8 9 4
42 35 +
28 21
14 07
2 9 1 4 6 8
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2D × 2D
Cara Biasa
68× 74 272
+ 476 5032
68× 74
REKREASI
32
+
82× 88
7216
36× 34
1224
57× 53
3021
DARAB
425624
2305
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Cara Kekisi (LATTICE /GELOSIAN) DARAB
4 6 ×
74
28
16
4
4
24
2
40
3
11
2D × 2D
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Cara Kekisi (LATTICE/GELOSIAN)DARAB
3D × 2D
3 8 7 ×6
3
81
84 4
20
92
42
1
2
43 8 1
21
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DARABAN JARI – SIFIR 9
Contoh: 4 x 9 = Bengkokkan jari yang ke empat di tangan
kiri.Jadi tiga jari ke kiri daripada jari yang dibengkokkan dan enam jari ke kanan memberi jawapan 36.
CUBA SENDIRI: 7x9 6x9 3x9
2x9 8x9 5x9
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Daraban jari bagi sifir-sifir 6, 7, 8, 9.
ANGGAPKAN:
Jari kelingking bernilai 6
Jari manis bernilai 7
Jari hantu bernilai 8
Jari telunjuk bernilai 9
BAGAIMANA ?
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Bolehkah cari hasil darab, kalau hanya tahu sifir 2 ?
Contoh: 8 x 7 @ 23 x 8 @ 19 x 23 @ 120 x 24
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Apa Fikiran Anda ?
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DARABAN ALA RUSIA
(÷2) (X2)39 57
19 114
9 228
4 456
2 912
1 1824
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Persoalan Yang Timbul
Bolehkah sebarang nombor didarabkan ALA RUSIA ?
Contohnya: 2D x 1D, 3D x 1D, 3D x 2D, 4D x 2D, 3D x 3D dsbnya.
Jawapannya……… BOLEH ….Selagi mampu membahagi 2 dan mendarab 2.
Kalau tak percaya…. CUBALAH SENDIRI.
SELAMAT MENCUBA
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Cuba Selesaikan Seorang raja ada sebatang emas sepanjang 7cm.
Dia hendak memberi 1cm emas setiap malam pada orang suruhannya bagi 7 malam berturut-turut. Yang anehnya,dia ingin membuat dua potongan sahaja ke atas emas itu.
Cuba terangkan cara raja itu memotong emas itu supaya orang suruhannya memperolehi 1cm emas pada setiap malam selama 7 malam.
SELAMAT MENCUBA
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BAHAGI
Bahagi Sama Rata
12 ÷ 3 =
Tolak Berulang
A B C
12- 3
9- 3
6- 3
3- 3
0
4
BAHAGI
4
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2D ÷ 1D 3D ÷ 1D
111
7 21- 714
- 77
- 70
3 290
7 644-630
14-14
0
92
BAHAGI
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4D ÷ 1D2
30900
7 6526- 6300
226- 210
16- 14
2
932 baki 2
BAHAGI
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Bahagi 2D
Contoh 4397 ÷ 24 =
24 4397 - 24
199 - 192
77- 72
5
÷ 24
BAHAGI
224681012141618
448
12162024283236
2424487296
120144168192216
123456789
1 8 3
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SOALAN OBJEKTIF
24
8 × 3
12 × 2
4 × 6
Contoh : 502 584 ÷ 24 = A 2941B 20941C 20940D 29410
Jawapan Tanpa Baki
BAHAGI
1256464 502584
-4 10 - 8
22 -20
25 -24
18 -16
24-24
0
209416 125646
-12 56
-54 24
-24 6
-60
√