MULTIPLICATION
MATHEMATICAL SIGNS
+
X
-
ADDITION
MULTIPLICATION
SUBTRACTION
DIVISION
÷
MULTIPLICATION IS REPEATED ADDITION
2
+
2
=
4
2
X
2
=
4
3
+
3
=
6
HOW MANY PARROTS ARE THERE ?
3 X 4 = 12
4 columns
3 parrots
5
HOW MANY FLOWERS ?
1 X 2
2 X 2
3 X 2
4 X 2
5 X 2 5 X 2 = 10
X | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
2 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 |
3 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 |
4 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 |
5 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 |
6 | 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 |
7 | 7 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 |
8 | 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 | 72 |
9 | 9 | 18 | 27 | 36 | 45 | 54 | 63 | 72 | 81 |
How many pictures are there ?
How many cartoons are there in each picture ?
How many cartoons are there in all ?
3 + 3 + 3 + 3 + 3 = 15
3 x 3 x 3 x 3 x 3 = 15
5
3
15
3 X 5 = 15
2 X 3 = 3 X 2 = 6
A CHANGE IN THE ORDER OF THE FACTORS DOES NOT CHANGE THE PRODUCT .
6 X 1 = 6
The product of a number and ONE is the number itself.
The product of any number and ZERO is ZERO .
8 X 0 = 0
6 X 0 = 0
10 X 0 = 0
4 X 3
12
ASSIGNMENT :Q 1. Fill in the blanks :
2
+
2
+
2
=
3
3
+
=
×
×
Q2.
Fill in the blanks:
1.
2 x 4 = 4 x __
2.__ x 5 = 5 x 6
4. 16 x 1 = ___
5. 13 x ___ = 0
Complete the table :
× | 2 | 3 | 4 | 5 |
6 |
| 18 | 24 | 30 |
5 | 10 | | 20 | 25 |
4 | 8 | 12 | | 20 |
3 | 6 | 9 | 12 | |
Q3.
Put the sign ( ) or ( X )
6 x 8 = 48 �
4 x 3 = 12 �
9 x 8 = 64 �
5 x 7 = 30 �
2 x 6 = 12 �
Q4.
Put the correct sign ( + ) ( x )
5 � 4 = 9
5 � 4 = 20
7 � 8 = 56
7 � 8 = 15
Q5.
Find the product :
3 5
X4
X 6
8 3
X2
1 O 2 5
X 9 X 3
Q6.