A father gives his son Nicolas $ and his son Daniel $.
How much does he give his sons in total?
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A father gives his son Nicolas $ and his son Daniel $.
How much does he give his sons in total?
In order to determine how much money the father gave to Daniel and Nicolas, we'll add up the various amounts in the vertical format as follows:
We'll add from left to right as follows:
$
Are they the same numbers?
\( 0.1\stackrel{?}{=}0.10 \)
Lining up decimal points ensures you're adding the same place values together - tenths with tenths, ones with ones. Without proper alignment, you'll get the wrong answer!
You can add trailing zeros to make them the same length. For example, treat 4.7 as 4.70 when adding to 8.15, but it's not necessary for this problem.
Check that your answer makes logical sense. Here, is reasonable since it's between 12 and 13, which is what we'd expect!
Yes, but the vertical format helps prevent mistakes, especially with longer decimal numbers. It's the safest method for beginners!
The dollar sign shows we're working with money, but the math is the same as any decimal addition. Just remember to include the $ in your final answer!
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