122.584 plus 15.328 equals which value?

Study for the TABE Math Test. Practice with flashcards and multiple-choice questions, each question offers hints and explanations. Get ready for your exam!

Multiple Choice

122.584 plus 15.328 equals which value?

Explanation:
Line up the decimal points and add from right to left. Each number has three digits after the decimal, so the sum will too. Thousandths: 4 + 8 = 12, write 2 and carry 1. Hundredths: 8 + 2 + 1 = 11, write 1 and carry 1. Tenths: 5 + 3 + 1 = 9. Whole numbers: 122 + 15 = 137. Put it all together: 137.912. The decimal part comes from 0.584 + 0.328 = 0.912, confirming the result. So the value is 137.912.

Line up the decimal points and add from right to left. Each number has three digits after the decimal, so the sum will too. Thousandths: 4 + 8 = 12, write 2 and carry 1. Hundredths: 8 + 2 + 1 = 11, write 1 and carry 1. Tenths: 5 + 3 + 1 = 9. Whole numbers: 122 + 15 = 137. Put it all together: 137.912. The decimal part comes from 0.584 + 0.328 = 0.912, confirming the result. So the value is 137.912.

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