Page 67 - حقيبة كتاب الصف الخامس الرقمية
P. 67
ï ¯U 1-4
Patterns and Properties of Multiplication
U 10 ¯ M
ï¯
10 10 ¯ ¯ ¯
F
:¯ ¯ ¯ 2 × 4 × 30
2 × 40 × 3
2 × 400 × 30 20 × 4 × 30 20 × 4 × 3
20 × 40 × 30 20 × 40 × 3 10 × 2 × 4 × 3
200 × 4 × 30 2 × 4 × 300
1 000 × 2 × 4 × 3 100 × 2 × 4 × 3
:¯ ¯ U ¯
= 6 × 300 × 20 = 60 × 3 × 20 = 6 × 3 × 20
= 60 × 30 × 2 = 6 × 30 × 2
36 000 = × 30 × 20 3 600 = 6 × × 200 = 60 × 3 × 2
3 600 = × 6 × 3 × 2 = 10 × 6 × 3 × 2
36 000 = 600 × 3 × 20
36 000 = ×6×3×2
¯I ¯ ? ¯ ¯¯ ï ¯1 ¯ ¯
100 10 ¯¯ ¯ï 2
1 000
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