Page 74 - حقيبة كتاب الصف الخامس الرقمية
P. 74
¯ 4-4
Multiplying Whole Numbers
¯ 372 ¯ ¯ ¯ , ¯M ¯
?¯ 5 ¯
M
? = 372 × 5
:
¯ :3 M ¯ ¯ :2 M ¯ :1 M
, ,¯
31 31 1
372 372 372
5× 5× 5×
1860 60 0
¯ M●
2 000 = 400 × 5 ≈ 372 × 5
¯ ,2 000 ¯ ¯ 1 860
1 860 = 372 × 5
¯ 5 ¯ 1 860 ¯
436 × 1 436 × 251 92 × 5 F
436 × 50 1 92 × 10
436 × 200 92 × 15
13
436 1
2 5 1× 92
1436 1 5×
21800 460
8 7 2 0 0+ 9 2 0+
109436 1380
1 380 = 92 × 15
109 436 = 436 × 251
78
