

Square of 5,15,25,35,...
Presentation
•
Mathematics
•
6th - 8th Grade
•
Easy
Kaew Sakulsermkraisri
Used 1+ times
FREE Resource
4 Slides • 5 Questions
1
The square of 5,15,25,35,...
Math trick

2
The square is .....
การคูณจำนวนเต็มเดียวกัน 2 ครั้ง เช่น
12 = 1 x 1 = 1
52 = 5 x 5 = 25
102 = 10 x 10 = 100
3
Math Trick 52 , 152, 252 , ...
052
นำ 0 คูณ (ตัวถัดจาก 0) = 0 x1 = 0 แล้วตามด้วย 25 ก่อนตอบ
ตอบ 52 = 025
152
นำ 1 คูณ (ตัวถัดจาก 1) = 1x2 = 2 แล้วตามด้วย 25 ก่อนตอบ
ตอบ 225
252
(นำ 2x3 = 6) แล้วตามด้วย 25 ก่อนตอบ
ตอบ 625
4
ถึงตาคุณแล้ว
จุ๊ๆๆ ห้ามใช้เครื่องคิดเลขนะจ๊ะ
5
Fill in the Blanks
Type answer...
6
Fill in the Blanks
Type answer...
7
Multiple Choice
จงหาค่าของ 752 = __?__
5,425
5,625
6,325
7,225
8
Multiple Choice
จงหาค่าของ 952 = __?__
8,125
10,025
7,225
9,025
9
Multiple Choice
จงเติมจำนวนในช่องว่าง 1152 = ___25
132
110
121
144
The square of 5,15,25,35,...
Math trick

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