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Why is it important to line up the decimal points when adding or subtracting but not when multiplying?
Because when adding or subtracting, the operations must take account of the place values of individual digits in the numbers. When multiplying, only the overall order of magnitudes are relevant for placing the decimal point in the product.
When adding or subtracting decimals the decimal point must be in line for all numbers?
Yes.
When adding or subtracting decimal how can you be sure to add or subtract only digits that have the same place value?
The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
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.
When adding or subtracting decimals how can you be sure to add or subtract only digits that have the same place value?
The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
Why is it important to line up the decimal points when adding or subtracting but not when multiplying?
Because when adding or subtracting, the operations must take account of the place values of individual digits in the numbers. When multiplying, only the overall order of magnitudes are relevant for placing the decimal point in the product.
When adding or subtracting decimals the decimal point must be in line for all numbers?
Yes.
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.
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...
When adding and subtracting decimalshow can you be sure to add or subtract only digits that have the same place value?
You line the number up, vertically, so that the decimal points are one below the other.
What would happen if you didn't line up the decimal point will adding and subtracting?
You are more likely to make a mistake.
When adding or subtracting decimal how can you be sure to add or subtract only digits that have the same place value?
The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
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.
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.
When adding or subtracting decimals how can you be sure to add or subtract only digits that have the same place value?
The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
How is adding on number line different from subtracting on a number line?
When subtracting, the number moves to the left (negative direction). When adding, the number moves to the right (positive direction).
What does place value has to do with adding and subtracting?
It stops you from adding tens to hundreds, or subtracting thousands from millions. The place value is used to line up columns correctly to ensure that the correct values are being used. The decimal point is the deciding factor in locating the proper numbers.
