MULTIPLICATION MATHEMATICAL SIGNS ADDITION X MULTIPLICATION DIVISION SUBTRACTION
MULTIPLICATION MATHEMATICAL SIGNS + ADDITION X MULTIPLICATION ÷ DIVISION SUBTRACTION
MULTIPLICATION IS REPEATED ADDITION 2 + 2 = 4 2 X 2 = 4 3 + 3 = 6
HOW MANY PARROTS ARE THERE ? 4 columns 3 parrots 3 X 4 = 12
HOW MANY FLOWERS ? 5 1 X 2 2 X 2 3 X 2 4 X 2 5 X 2 = 10
X 1 2 3 1 1 2 3 2 2 4 6 4 4 8 12 16 20 24 28 32 36 5 6 7 8 9 10 12 14 16 18 3 4 5 6 7 8 9 6 8 10 12 14 16 18 9 12 15 18 21 24 27 20 24 28 32 36 25 30 35 40 45 30 36 42 48 54 35 42 49 56 63 40 48 56 64 72 45 54 63 72 81
How many pictures are there ? 5 How many cartoons are there in each picture ? 3 How many cartoons are there in all ? 15 3 + 3 + 3 = 15 3 x 3 x 3 = 15 3 X 5 = 15
2 X 3 = 3 X 2 = A CHANGE IN THE ORDER OF THE FACTORS DOES NOT CHANGE THE PRODUCT. 6
6 X 1 = 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 6
4 X 12 3
ASSIGNMENT : Q 1. Fill in the blanks : + 2 3 2 + + 2 3 = =
Q 2. Fill in the blanks: 1. 2 x 4 = 4 x __ 2. __ x 5 = 5 x 6 3. 1 x 8 = ___ 4. 16 x 1 = ___ 5. 13 x ___ = 0
Q 3. Complete the table : 2 3 4 5 18 24 30 20 25 6 5 4 10 8 12 3 6 9 20 12
Q 4. 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 �
Q 5. Put the correct sign ( + ) ( x ) 5 � 4 = 9 5� 4 = 20 7 � 8 = 56 7 � 8 = 15
Q 6. Find the product : 2 8 35 83 X 6 X 4 X 2 1 O 25 X 9 X 3
- Slides: 16
