18 Chapter 1 Whole Numbers Subtracting Whole Numbers with Borrowing Subtract and check the result with addition. Solution: 4 10 1 hundred 10 tens 5 0 0 2 4 7 9 Now we can borrow 1 ten to add to the ones place. Subtract. 1 1 4 10 10 5 0 0 2 4 7 2 5 3 Check: ✓ 253 247 500 500 247 500 247 Example 8 In the ones place, 7 is greater than 0.We try to borrow 1 ten from the tens place. However, the tens place digit is 0. Therefore we must first borrow from the hundreds place. Answers 14. 169 15. 16. 12 14; 26 80 50; 130 4. Translations and Applications Involving Addition and Subtraction In the English language, there are many different words and phrases that imply addition. A partial list is given in Table 1-1. Table 1-1 Word/Phrase Example In Symbols Sum The sum of 6 and x 6 x Added to 3 added to 8 8 3 Increased by y increased by 2 y 2 More than 10 more than 6 6 10 Plus 8 plus 3 8 3 Total of The total of a and b a b Translating an English Phrase to a Mathematical Statement Example 9 Translate each phrase to an equivalent mathematical statement and simplify. a. 12 added to 109 b. The sum of 1386 and 376 Skill Practice Subtract. Check by addition. 14. 700 531 Skill Practice Translate and simplify. 15. 50 more than 80 16. 12 increased by 14
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