Common Core: 5th Grade Math : Number & Operations in Base Ten

Study concepts, example questions & explanations for Common Core: 5th Grade Math

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Example Questions

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Example Question #3 : Add Decimals

Possible Answers:

Correct answer:

Explanation:

Adding decimals is just like adding whole numbers. But, you must remember your decimal in your answer.

You start adding on the far right which in this case is the hundredths place. . We have to carry a  from the sum  above the tenths place and place the  below the hundredths place. Screen shot 2020 09 11 at 12.07.59 pm

Next, add the tenths place. Screen shot 2020 09 11 at 12.08.04 pm

The decimal will be carried down and remain between the tenths place and the ones place. Screen shot 2020 09 11 at 12.08.07 pm

The final addition portion is the ones place. Screen shot 2020 09 11 at 12.08.12 pm

The final answer is 

Example Question #4 : Add Decimals

Possible Answers:

Correct answer:

Explanation:

Adding decimals is just like adding whole numbers. But, you must remember your decimal in your answer.

You start adding on the far right which in this case is the hundredths place. Screen shot 2020 09 11 at 12.41.27 pm

Next, add the tenths place. . We have to carry a  from the sum  above the ones place and place the  below the tenths place. Screen shot 2020 09 11 at 12.41.31 pm

The decimal will be carried down and remain between the tenths place and the ones place. Screen shot 2020 09 11 at 12.41.34 pm

The final addition portion is the ones place. Screen shot 2020 09 11 at 12.41.38 pm

The final answer is 

Example Question #5 : Add Decimals

Possible Answers:

Correct answer:

Explanation:

Adding decimals is just like adding whole numbers. But, you must remember your decimal in your answer.

You start adding on the far right which in this case is the hundredths place. Screen shot 2020 09 11 at 1.02.37 pm

Next, add the tenths place. Screen shot 2020 09 11 at 1.02.41 pm

The decimal will be carried down and remain between the tenths place and the ones place. Screen shot 2020 09 11 at 1.02.45 pm

The final addition portion is the ones place. . The first  in  will be carried into the tens place. Screen shot 2020 09 11 at 1.02.49 pm

The final answer is 

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