Solve the following exercise and circle the appropriate answer:
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Solve the following exercise and circle the appropriate answer:
Let's solve the following exercise in the correct order:
Add up the hundredths after the decimal point:
Add up the tenths after the decimal point:
Finally, we'll add up the whole numbers before the decimal point accordingly:
We obtain the following result:
34.79
Choose the correct writing form:
Lining up decimal points ensures you're adding the same place values together - hundredths with hundredths, tenths with tenths, ones with ones. Without proper alignment, you'll get the wrong answer!
Always start from the rightmost column (hundredths) and work left. This is the same as adding whole numbers: 8+1=9, then 3+4=7, then 1+3=4, finally 2+1=3.
Yes! If any column adds up to 10 or more, carry the extra digit to the next column on the left, just like with whole numbers.
Use estimation: , so your answer should be close to 34. Since is close to 34, it makes sense!
No problem! You can add zeros to make them the same length. For example, 21.38 + 13.4 becomes 21.38 + 13.40.
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