Common Core: 4th Grade Math : Generalize place value understanding for multi-digit whole numbers

Study concepts, example questions & explanations for Common Core: 4th Grade Math

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Example Questions

Example Question #1 : Understand Place Values: Ccss.Math.Content.4.Nbt.A.1

\(\displaystyle 2\) tens equal how many ones?

 

Possible Answers:

\(\displaystyle 200\)

\(\displaystyle 2,000\)

\(\displaystyle 20\)

\(\displaystyle 20,000\)

\(\displaystyle 2\)

Correct answer:

\(\displaystyle 20\)

Explanation:

Digits in the tens place are ten times the value of digits in the ones place. 

\(\displaystyle 2\times10=20\)

Example Question #2 : Understand Place Values: Ccss.Math.Content.4.Nbt.A.1

\(\displaystyle 8\) tens equal how many ones?

Possible Answers:

\(\displaystyle 8,000\)

\(\displaystyle 80,000\)

\(\displaystyle 8\)

\(\displaystyle 80\)

\(\displaystyle 800\)

Correct answer:

\(\displaystyle 80\)

Explanation:

Digits in the tens place are ten times the value of digits in the ones place. 

\(\displaystyle 8\times10=80\)

Example Question #3 : Understand Place Values: Ccss.Math.Content.4.Nbt.A.1

\(\displaystyle 9\) tens equal how many ones?

Possible Answers:

\(\displaystyle 9,000\)

\(\displaystyle 90\)

\(\displaystyle 900\)

\(\displaystyle 9\)

\(\displaystyle 90,000\)

Correct answer:

\(\displaystyle 90\)

Explanation:

Digits in the tens place are ten times the value of digits in the ones place. 

\(\displaystyle 9\times10=90\)

Example Question #4 : Understand Place Values: Ccss.Math.Content.4.Nbt.A.1

\(\displaystyle 10\) tens equal how many ones?

 

Possible Answers:

\(\displaystyle 1\)

\(\displaystyle 1,000\)

\(\displaystyle 10,000\)

\(\displaystyle 10\)

\(\displaystyle 100\)

Correct answer:

\(\displaystyle 100\)

Explanation:

Digits in the tens place are ten times the value of digits in the ones place. 

\(\displaystyle 10\times10=100\)

Example Question #5 : Understand Place Values: Ccss.Math.Content.4.Nbt.A.1

\(\displaystyle 11\) tens equal how many ones?

Possible Answers:

\(\displaystyle 110\)

\(\displaystyle 11,100\)

\(\displaystyle 1,110\)

\(\displaystyle 1,000\)

\(\displaystyle 11\)

Correct answer:

\(\displaystyle 110\)

Explanation:

Digits in the tens place are ten times the value of digits in the ones place. 

\(\displaystyle 11\times10=110\)

Example Question #6 : Understand Place Values: Ccss.Math.Content.4.Nbt.A.1

\(\displaystyle 6\) tens equal how many ones?

Possible Answers:

\(\displaystyle 60\textup,000\)

\(\displaystyle 60\)

\(\displaystyle 600\)

\(\displaystyle 6\textup,000\)

\(\displaystyle 6\)

Correct answer:

\(\displaystyle 60\)

Explanation:

Digits in the tens place are ten times the value of digits in the ones place. 

\(\displaystyle 6\times10=60\)

Example Question #7 : Understand Place Values: Ccss.Math.Content.4.Nbt.A.1

\(\displaystyle 8\) tens equal how many ones?

Possible Answers:

\(\displaystyle 800\)

\(\displaystyle 80\)

\(\displaystyle 8\)

\(\displaystyle 88\)

\(\displaystyle 18\)

Correct answer:

\(\displaystyle 80\)

Explanation:

Digits in the tens place are ten times the value of digits in the ones place. 

\(\displaystyle 8\times10=80\)

Example Question #8 : Understand Place Values: Ccss.Math.Content.4.Nbt.A.1

\(\displaystyle 4\) tens equals how many ones?

Possible Answers:

\(\displaystyle 4\)

\(\displaystyle 40\)

\(\displaystyle 4\textup,000\)

\(\displaystyle 40\textup,000\)

\(\displaystyle 400\)

Correct answer:

\(\displaystyle 40\)

Explanation:

Digits in the tens place are ten times the value of digits in the ones place. 

\(\displaystyle 4\times10=40\)

Example Question #9 : Understand Place Values: Ccss.Math.Content.4.Nbt.A.1

\(\displaystyle 3\) tens equal how many ones?

 

Possible Answers:

\(\displaystyle 30\)

\(\displaystyle 3\)

\(\displaystyle 300\)

\(\displaystyle 3\textup,000\)

\(\displaystyle 30\textup,000\)

Correct answer:

\(\displaystyle 30\)

Explanation:

Digits in the tens place are ten times the value of digits in the ones place. 

\(\displaystyle 3\times10=30\)

Example Question #10 : Understand Place Values: Ccss.Math.Content.4.Nbt.A.1

\(\displaystyle 5\) tens equal how many ones?

Possible Answers:

\(\displaystyle 50\)

\(\displaystyle 5\)

\(\displaystyle 500\)

\(\displaystyle 5\textup,000\)

\(\displaystyle 50\textup,000\)

Correct answer:

\(\displaystyle 50\)

Explanation:

Digits in the tens place are ten times the value of digits in the ones place. 

\(\displaystyle 5\times10=50\)

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