Page 87 - Revised Maths Wisdom Class - 2
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Multiplication 85
Fill in the boxes.
7 × = 21 × 5 = 20
5 × = 45 × 2 = 14
8 × = 56 × 2 = 12
9 × = 72 × 9 = 18
Multiplication of a 2-digit Number by a 1-digit Number (without carry over)
Let us multiply : 13 × 2 T O
Step 1: Multiply ones first. 1 3
× 2
3 ones × 2 = 6 6
Write 6 in ones column.
Step 2: Multiply tens.
1 ten × 2 = 2 T O
Write 2 in tens column. 1 3
Thus, 13 × 2 = 26 × 2
2 6
Multiply the following.
T O T O T O T O
2 3 2 4 1 1 3 2
× 3 × 2 × 3 × 2
T O T O T O T O
4 3 3 4 3 5 3 6
× 2 × 2 × 1 × 1