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E:\Working\Focus_Learning\Math_Genius_3_(11-09-2024)\Open_Files\CHAP_02
\ 12-Sep-2024 Surender Prajapati Proof-4 Reader’s Sign _______________________ Date __________
example 3: Find the sum of 7428 and 2387.
Solution: Arrange the numbers in the place value column and add using the following
steps:
Step 1: Add the ones.
8 + 7 = 15 ones = 1 ten + 5 ones
Write 5 in the ones column and carry over 1 ten in the tens column.
Step 2: Add the tens. th H t O
1 (carried over) + 2 + 8 = 11 tens 1 1
= 1 hundred + 1 ten 7 4 2 8
Write 1 ten in the tens column and carry over 1 + 2 3 8 7
hundred in the hundreds column. 9 8 1 5
Step 3: Add the hundreds.
1 (carried over) + 4 + 3 = 8 hundreds
Write 8 in the hundreds column.
Step 4: Add the thousands.
7 + 2 = 9 thousands
Write 9 in the thousands column.
Thus, the sum of 7428 and 2387 is 9815.
Think and Answer
There are seven number cards given here. Put these cards in the two baskets
in a way so that the total value of the cards in both the baskets are same. 2000
1000 1200
1: _______________ 2: __________________ 1500
800 500
example 4: Find the sum of 6052, 2456 and 1201.
Solution: Arrange the numbers in the place value columns and follow the given steps:
Step 1: Add the ones. 2 + 6 + 1 = 9 ones. th H t O
Step 2: Add the tens. 5 + 5 + 0 = 10 tens 1
= 1 hundred + 0 tens 6 0 5 2
Step 3: Add the hundreds. 2 4 5 6
1 (carried over) + 0 + 4 + 2 = 7 hundreds + 1 2 0 1
7
0
9
9
Step 4: Add the thousands. 6 + 2 + 1 = 9 thousands
Thus, 6052 + 2456 + 1201 = 9709
Mathematics-3 39

