What is 42.00 plus 13.23 plus 0.75?

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

What is 42.00 plus 13.23 plus 0.75?

Explanation:
When adding decimals, line up the decimal points and treat each place value separately. All three numbers have two digits after the decimal, so write them as 42.00, 13.23, and 0.75. Add the hundredths: 0 + 3 + 5 = 8. Add the tenths: 0 + 2 + 7 = 9. Add the whole numbers: 42 + 13 + 0 = 55. Put it together to get 55.98. You can also check by converting to cents: 4200 + 1323 + 75 = 5598, then divide by 100 to get 55.98. This is the correct total; misplacing decimal points or misadding could lead to other totals.

When adding decimals, line up the decimal points and treat each place value separately. All three numbers have two digits after the decimal, so write them as 42.00, 13.23, and 0.75. Add the hundredths: 0 + 3 + 5 = 8. Add the tenths: 0 + 2 + 7 = 9. Add the whole numbers: 42 + 13 + 0 = 55. Put it together to get 55.98. You can also check by converting to cents: 4200 + 1323 + 75 = 5598, then divide by 100 to get 55.98. This is the correct total; misplacing decimal points or misadding could lead to other totals.

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