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Addition of 4-Digit Numbers (without carry)

Example: Add 2142 and 7623 :

Solution: 2 ones + 3 ones = 5 ones
1 1
4 tens + 2 tens = 6 tens
2 1 4 2
1 hundred + 6 hundreds = 7 hundreds
+ 7 6 2 3

2 thousands + 7 thousands = 9 thousands
9 7 6 5
2142 + 4623 = 9765

MENTAL MATHS-2

Add the following numbers:

(a) Th H T O (b) Th H T O (c) Th H T O

2 7 4 3 1 3 3 9 3 6 1 8
+ 3 2 5 4 + 7 6 6 0 + 5 3 8 1

(d) Th H T O (e) Th H T O (f) Th H T O

3 4 5 7 6 3 2 5 2 5 7 6
+ 6 4 3 1 + 2 5 3 4 + 7 4 1 2

(g) Th H T O (h) Th H T O (i) Th H T O

6 5 3 7 3 4 4 5 1 2 4 2
+ 2 3 4 1 + 6 5 4 3 + 6 7 2 3

(j) Th H T O (k) Th H T O (l) Th H T O

4 0 2 3 4 3 3 2 1
+ 7 3 5 + 2 1 2 + 6 2 5

+ 1 6 1 + 6 3 2 1 + 6 3 4 2

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Addition
Mathematics-3