# Chapter 1 - Whole Numbers - 1.2 Adding Whole Numbers - 1.2 Exercises: 60

15,690

#### Work Step by Step

Step 1: Add the digits in one’s column Sum of the ones column 6+4+0+1+8+1 = 28. Write 0 ones in the ones column and write 2 tens in the tens column. 2 5 7 6 7 9 3 4 6 0 7 8 1 5 9 6 8 + 3 7 1 0 Step 2: Add the digits in the tens column, including the regrouped 2. Sum of the tens column 2+7+3+6+8+6+7=39. Write 9 in the tens column and write 3 in the hundred’s column. 3 2 5 7 6 7 9 3 4 6 0 7 8 1 5 9 6 8 + 3 7 1 9 0 Step 3: Add the digits in the hundreds column, including the regrouped 3. Sum of the hundreds column 3+5+9+7+9+3=36. Write 6 in the hundreds column and 3 in thousand’s column. 3 3 2 5 7 6 7 9 3 4 6 0 7 8 1 5 9 6 8 + 3 7 1 6 9 0 Step 4: Add the digits in the thousands column, including the regrouped 3 Sum of the thousands column 3+7+5=15. Write 5 in the thousands column and 1 in the ten thousand column. 2 1 2 4 1 3 8 5 9 9 1 9 6 0 2 3 1 + 1 2 1 8 1 5 6 9 0

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