Common Core: 2nd Grade Math : Read and Write Numbers to 1000 by Numerals, Number Names, and Expanded Form: CCSS.Math.Content.2.NBT.A.3

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

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Example Questions

Example Question #2 : How To Find The Whole From The Part

What number is one thousand? 

Possible Answers:

\(\displaystyle 10,000\)

\(\displaystyle 100\)

\(\displaystyle 1,000\)

\(\displaystyle 10\)

\(\displaystyle 1\)

Correct answer:

\(\displaystyle 1,000\)

Explanation:

\(\displaystyle 1,000\) in word form is one thousand. 

Example Question #3 : How To Find The Whole From The Part

What number is one hundred?

Possible Answers:

\(\displaystyle 10,000\)

\(\displaystyle 1\)

\(\displaystyle 100\)

\(\displaystyle 10\)

\(\displaystyle 1,000\)

Correct answer:

\(\displaystyle 100\)

Explanation:

\(\displaystyle 100\) in word form is one hundred. 

Example Question #1 : Identifying Numbers

What number is two hundred? 

Possible Answers:

\(\displaystyle 20\)

\(\displaystyle 2\)

\(\displaystyle 200\)

\(\displaystyle 2,000\)

\(\displaystyle 20,000\)

Correct answer:

\(\displaystyle 200\)

Explanation:

\(\displaystyle 200\) in word form is two hundred. 

Example Question #2 : Identifying Numbers

What number is nine hundred?

Possible Answers:

\(\displaystyle 90\)

\(\displaystyle 900\)

\(\displaystyle 9,000\)

\(\displaystyle 90,000\)

\(\displaystyle 9\)

Correct answer:

\(\displaystyle 900\)

Explanation:

\(\displaystyle 900\) in word form is nine hundred. 

Example Question #3 : Identifying Numbers

What number is forty-three?

Possible Answers:

\(\displaystyle 403\)

\(\displaystyle 4,430\)

\(\displaystyle 430\)

\(\displaystyle 43\)

\(\displaystyle 4,043\)

Correct answer:

\(\displaystyle 43\)

Explanation:

\(\displaystyle 43\) in word form is forty-three.

Example Question #4 : Identifying Numbers

What number is eight hundred four? 

Possible Answers:

\(\displaystyle 8,400\)

\(\displaystyle 840\)

\(\displaystyle 84\)

\(\displaystyle 804\)

\(\displaystyle 8,004\)

Correct answer:

\(\displaystyle 804\)

Explanation:

\(\displaystyle 804\) in word form is eight hundred forty-four. 

Example Question #5 : Identifying Numbers

What number is ninety-six?

Possible Answers:

\(\displaystyle 906\)

\(\displaystyle 966\)

\(\displaystyle 96\)

\(\displaystyle 9\textup,666\)

\(\displaystyle 9\textup,066\)

Correct answer:

\(\displaystyle 96\)

Explanation:

\(\displaystyle 96\) in word form is ninety-six. 

Example Question #6 : Identifying Numbers

What number is nine hundred forty-eight?

Possible Answers:

\(\displaystyle 90\textup,480\)

\(\displaystyle 9\textup,048\)

\(\displaystyle 948\)

\(\displaystyle 9\textup,480\)

\(\displaystyle 984\)

Correct answer:

\(\displaystyle 948\)

Explanation:

\(\displaystyle 948\) in word form is nine hundred forty-eight. 

Example Question #5 : Read And Write Numbers To 1000 By Numerals, Number Names, And Expanded Form: Ccss.Math.Content.2.Nbt.A.3

The number below is written in expanded form. What is the number as a numeral? 

\(\displaystyle 80+3\)

Possible Answers:

\(\displaystyle 833\)

\(\displaystyle 83\)

\(\displaystyle 38\)

\(\displaystyle 803\)

\(\displaystyle 80\)

Correct answer:

\(\displaystyle 83\)

Explanation:

When a number is in expanded form, you add the numbers together to find the numeral. 

The numeral form of \(\displaystyle 80+3=83\).

\(\displaystyle \frac{\begin{array}[b]{r}80\\ +\ 3\end{array}}{ \ \ \space 83}\) 

Example Question #6 : Read And Write Numbers To 1000 By Numerals, Number Names, And Expanded Form: Ccss.Math.Content.2.Nbt.A.3

The number below is written in expanded form. What is the number as a numeral? 

\(\displaystyle 10+6\)

 

Possible Answers:

\(\displaystyle 4\)

\(\displaystyle 16\)

\(\displaystyle 10\)

\(\displaystyle 106\)

\(\displaystyle 166\)

Correct answer:

\(\displaystyle 16\)

Explanation:

When a number is in expanded form, you add the numbers together to find the numeral. 

The numeral form of \(\displaystyle 10+6=16\).

\(\displaystyle \frac{\begin{array}[b]{r}10\\ +\ 6\end{array}}{ \ \ \space 16}\) 

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