Common Core: 2nd Grade Math : Common Core Math: Grade 2

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

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Example Questions

Example Question #261 : How To Find The Whole From The Part

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

\(\displaystyle 200+20+5\)

 

Possible Answers:

\(\displaystyle 252\)

\(\displaystyle 200205\)

\(\displaystyle 220\)

\(\displaystyle 2025\)

\(\displaystyle 225\)

Correct answer:

\(\displaystyle 225\)

Explanation:

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

The numeral form of \(\displaystyle 200+20+5=225\).

\(\displaystyle \frac{\begin{array}[b]{r}200\\ \ 20\\ +\ 5\end{array}}{ \ \space 225}\) 

Example Question #48 : 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? 

\(\displaystyle 200+30+4\)

 

Possible Answers:

\(\displaystyle 234\)

\(\displaystyle 243\)

\(\displaystyle 200304\)

\(\displaystyle 20304\)

\(\displaystyle 2034\)

Correct answer:

\(\displaystyle 234\)

Explanation:

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

The numeral form of \(\displaystyle 200+30+4=234\).

\(\displaystyle \frac{\begin{array}[b]{r}200\\ \ 30\\ +\ 4\end{array}}{ \ \space 234}\) 

Example Question #661 : Number & Operations In Base Ten

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

\(\displaystyle 200+40+3\)

 

Possible Answers:

\(\displaystyle 243\)

\(\displaystyle 2403\)

\(\displaystyle 200403\)

\(\displaystyle 20403\)

\(\displaystyle 234\)

Correct answer:

\(\displaystyle 243\)

Explanation:

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

The numeral form of \(\displaystyle 200+40+3=243\).

\(\displaystyle \frac{\begin{array}[b]{r}200\\ \ 40\\ +\ 3\end{array}}{ \ \space 243}\) 

Example Question #51 : 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? 

\(\displaystyle 200+50+2\)

 

Possible Answers:

\(\displaystyle 2502\)

\(\displaystyle 252\)

\(\displaystyle 20502\)

\(\displaystyle 225\)

\(\displaystyle 200502\)

Correct answer:

\(\displaystyle 252\)

Explanation:

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

The numeral form of \(\displaystyle 200+50+2=252\).

\(\displaystyle \frac{\begin{array}[b]{r}200\\ \ 50\\ +\ 2\end{array}}{ \ \space 252}\) 

Example Question #53 : 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? 

\(\displaystyle 200+60+1\)

 

Possible Answers:

\(\displaystyle 200601\)

\(\displaystyle 261\)

\(\displaystyle 2601\)

\(\displaystyle 20601\)

\(\displaystyle 216\)

Correct answer:

\(\displaystyle 261\)

Explanation:

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

The numeral form of \(\displaystyle 200+60+1=261\).

\(\displaystyle \frac{\begin{array}[b]{r}200\\ \ 60\\ +\ 1\end{array}}{ \ \space 261}\) 

Example Question #661 : Number & Operations In Base Ten

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

\(\displaystyle 200+70+2\)

 

Possible Answers:

\(\displaystyle 272\)

\(\displaystyle 20702\)

\(\displaystyle 200702\)

\(\displaystyle 2702\)

\(\displaystyle 227\)

Correct answer:

\(\displaystyle 272\)

Explanation:

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

The numeral form of \(\displaystyle 200+70+2=272\).

\(\displaystyle \frac{\begin{array}[b]{r}200\\ \ 70\\ +\ 2\end{array}}{ \ \space 272}\) 

Example Question #4091 : Numbers And Operations

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

\(\displaystyle 200+80+4\)

 

Possible Answers:

\(\displaystyle 20804\)

\(\displaystyle 248\)

\(\displaystyle 284\)

\(\displaystyle 482\)

\(\displaystyle 200804\)

Correct answer:

\(\displaystyle 284\)

Explanation:

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

The numeral form of \(\displaystyle 200+80+4=284\).

\(\displaystyle \frac{\begin{array}[b]{r}200\\ \ 80\\ +\ 4\end{array}}{ \ \space 284}\) 

Example Question #4092 : Numbers And Operations

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

\(\displaystyle 200+90+4\)

 

Possible Answers:

\(\displaystyle 200904\)

\(\displaystyle 294\)

\(\displaystyle 492\)

\(\displaystyle 2904\)

\(\displaystyle 20904\)

Correct answer:

\(\displaystyle 294\)

Explanation:

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

The numeral form of \(\displaystyle 200+90+4=294\).

\(\displaystyle \frac{\begin{array}[b]{r}200\\ \ 90\\ +\ 4\end{array}}{ \ \space 294}\) 

Example Question #661 : Common Core Math: Grade 2

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

\(\displaystyle 300+70+6\)

 

Possible Answers:

\(\displaystyle 673\)

\(\displaystyle 300706\)

\(\displaystyle 376\)

\(\displaystyle 3706\)

\(\displaystyle 763\)

Correct answer:

\(\displaystyle 376\)

Explanation:

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

The numeral form of \(\displaystyle 300+70+6=376\).

\(\displaystyle \frac{\begin{array}[b]{r}300\\ \ 70\\ +\ 6\end{array}}{ \ \space 376}\) 

Example Question #661 : Number & Operations In Base Ten

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

\(\displaystyle 300+80+7\)

 

Possible Answers:

\(\displaystyle 387\)

\(\displaystyle 30087\)

\(\displaystyle 783\)

\(\displaystyle 873\)

\(\displaystyle 300807\)

Correct answer:

\(\displaystyle 387\)

Explanation:

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

The numeral form of \(\displaystyle 300+80+7=387\).

\(\displaystyle \frac{\begin{array}[b]{r}300\\ \ 80\\ +\ 7\end{array}}{ \ \space 387}\) 

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