16 Chapter 1 Whole Numbers Move 4 units left. Subtracting Whole Numbers Example 5 Subtract and check the answer by using addition. a. 8 2 b. 10 6 c. 5 0 d. 3 3 8 2 6 6 2 8 10 6 4 4 6 10 When subtracting large numbers, it is usually more convenient to write the numbers vertically.We write the minuend on top and the subtrahend below it. Starting from the ones column, we subtract digits having corresponding place values. Subtracting Whole Numbers Example 6 Subtract and check the answer by using addition. a. b. Solution: a. Check: ✓ Subtract the ones column digits. Subtract the tens column digits. Subtract the hundreds column digits. b. Check: ✓ 2301 197 2498 2498 197 2301 852 124 976 976 124 852 2498 197 976 124 0 1 2 3 4 5 6 7 8 9 10 Start here. The difference is 3. To check the result, we can use addition. 7 4 3 because 3 4 7 Solution: a. because b. because c. because d. 3 3 0 because 0 3 3 5 0 5 5 0 5 Answers 7. 6 8. 8 9. 5 10. 0 11. 211 12. 3810 Subtraction can also be visualized on the number line.To evaluate 7 4, start from the point on the number line corresponding to the minuend (7 in this case). Then move to the left 4 units.The resulting position on the number line is the difference. Skill Practice Subtract. Check by using addition. 7. 11 5 8. 8 0 9. 7 2 10. 5 5 Skill Practice Subtract. Check by using addition. 11. 12. 3947 137 472 261
miller_prealgebra_2e_ch1_3
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