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You have to line up the decimal when adding but not when multiplying.
Example:
This one is adding
23.56+89.45
23.56
89.45
This one is multiplying
23.54*4.506
23.54
4.506
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∙ 13y ago
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Why is it important to line up the decimal point before or after adding a decimal?
That is because if you don't, you will get the wrong answer. It is ALWAYS important to LINE up the decimals.
What do you do with the decimal when adding?
When adding decimal numbers, the decimal points should be lined-up.
Why it is important to line up decimal numbers by their play value when you add or subtract them?
This is true for adding and subtracting ALL numbers, not just decimal representations.
What is the rules adding decimal?
Line up the decimal points in a vertical column. Then add the numbers while ignoring the decimal point. Finally, put a decimal point in the answer in the same column as for the summands.
Why do you line up the decimal points when adding and subtracting?
you have to line up the decimal points because you need to keep each place value in the same column so when you add or subtract you wont make any errors
Why is it important to line up the decimal point before or after adding a decimal?
That is because if you don't, you will get the wrong answer. It is ALWAYS important to LINE up the decimals.
When do you line up the decimal?
you only line the decimals up when you are subtracting or adding not when you are multiplying im not sure about division...
Why it is important to line up decimal numbers?
Because 42.0+7.8 is different from adding 42+78. it makes adding easier!
What do you do with the decimal when adding?
When adding decimal numbers, the decimal points should be lined-up.
Why it is important to line up decimal numbers by their play value when you add or subtract them?
This is true for adding and subtracting ALL numbers, not just decimal representations.
What is the rules adding decimal?
Line up the decimal points in a vertical column. Then add the numbers while ignoring the decimal point. Finally, put a decimal point in the answer in the same column as for the summands.
What are the three rules of adding and subtracting decimals for 5 grade?
line up the decimal point when your adding and subtracting. add annex a zero when you have extra number. sometimes you can use a number line.
What would happen if you didn't line up the decimal point will adding and subtracting?
You are more likely to make a mistake.
Why do you line up the decimal points when adding and subtracting?
you have to line up the decimal points because you need to keep each place value in the same column so when you add or subtract you wont make any errors
Why do you line up the decimal when adding or subtracting decimal numbers?
Yes, When Adding and Subtracting decimals you should line up the decimals. You need to keep each place value in the same column, the same as when you add whole numbers you keep the ones column lined up, same for the tens, etc. Lining up the decimal points makes sure that the tenths column is kept together, same for the hundredths, and so on.
What is the sum of 38 and 116?
3.8 + 1.16 = 4.96 When adding decimals, line up the decimal points: 3.8 1.16 + ----- 4.96
Why do you line up the decimals when adding decimals?
Because left of the decimal point goes times 10 for every position and right of the decimal point goes times -10 for every position.
