Post on 10-Jun-2015
Introduction Example Exercise
QUICK MULTIPLICATIONS
Multiplying Numbers with 11
Introduction
Introduction Example Exercise
WHERE MATHS IS JUST A GAME
OUR MISSION:
Example
Introduction Example Exercise
2 x 11 = 22
5 x 11 = 55
7 x 11 = 77
31 x 11 = ??
Example
72 x 11= (72 x10) + 72= 720 + 72= 792
Introduction Example Exercise
Example
72 x 11 = 792 +
72 x 11
7 2
7+2
9
Introduction Example Exercise
a b x 11 a [a + b] b
Example
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
Example
25 x 11 =
2 5
2+5
7
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
275
Example
77 x 11 =
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
7 7
7+7
14
8 74
847
Example
135 x 11 =
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
13 5
13+5
18
14 58
1485
Example
123 x 11 =
123
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
0 0
3
+
Example
123 x 11 =
123
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
0 0
3
+
5
Example
123 x 11 =
123
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
0 0
3
+
53
Example
123 x 11 =
123
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
1353
0 0
3
+
531
Example
42561 x 11 =
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
4 2 5 6 1 0 0
1
+
Example
42561 x 11 =
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
4 2 5 6 1 0 0
1
+
7
Example
42561 x 11 =
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
4 2 5 6 1 0 0+
1
71 1
Example
42561 x 11 =
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
4 2 5 6 1 0 0+
1
71 18
Example
42561 x 11 =
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
4 2 5 6 1 0 0+
71 186
Example
42561 x 11 =
Introduction Example Exercise
25 x 11
77 x 11
135 x 11
42561 x 11
123 x 11
4 2 5 6 1 0 0+
71 1864
468171
Exercise
Introduction Example Exercise
Answer the question given. Pop the balloon to choose the correct answer.
23 x 11 =
253223 263
231