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 #561 : Number & Operations In Base Ten

When counting by \displaystyle 10s, what number comes after \displaystyle 105?

 

Possible Answers:

\displaystyle 100

\displaystyle 115

\displaystyle 110

\displaystyle 95

\displaystyle 90

Correct answer:

\displaystyle 115

Explanation:

When counting by \displaystyle 10s, we add \displaystyle 10 to our previous number. 

\displaystyle \frac{\begin{array}[b]{r}105\\ +\ 10\end{array}}{ \ \ \space 115}

Example Question #51 : Count Within 1000 By 1s, 5s, 10s, And 100s, Ccss.Math.Content.2.Nbt.A.2

When counting by \displaystyle 10s, what number comes after \displaystyle 115?

 

Possible Answers:

\displaystyle 130

\displaystyle 135

\displaystyle 120

\displaystyle 140

\displaystyle 125

Correct answer:

\displaystyle 125

Explanation:

When counting by \displaystyle 10s, we add \displaystyle 10 to our previous number. 

\displaystyle \frac{\begin{array}[b]{r}115\\ +\ 10\end{array}}{ \ \ \space 125}

Example Question #1434 : How To Add

When counting by \displaystyle 100s, what number comes after \displaystyle 100?

 

Possible Answers:

\displaystyle 600

\displaystyle 300

\displaystyle 500

\displaystyle 400

\displaystyle 200

Correct answer:

\displaystyle 200

Explanation:

When counting by \displaystyle 100s, we add \displaystyle 100 to our previous number. 

\displaystyle \frac{\begin{array}[b]{r}100\\ +\ 100\end{array}}{ \ \ \ \space 200}

Example Question #1435 : How To Add

When counting by \displaystyle 100s, what number comes after \displaystyle 200?

 

Possible Answers:

\displaystyle 400

\displaystyle 100

\displaystyle 300

\displaystyle 500

\displaystyle 600

Correct answer:

\displaystyle 300

Explanation:

When counting by \displaystyle 100s, we add \displaystyle 100 to our previous number. 

\displaystyle \frac{\begin{array}[b]{r}200\\ +\ 100\end{array}}{ \ \ \ \space 300}

Example Question #2281 : Operations

When counting by \displaystyle 100s, what number comes after \displaystyle 300?

 

Possible Answers:

\displaystyle 400

\displaystyle 100

\displaystyle 600

\displaystyle 200

\displaystyle 500

Correct answer:

\displaystyle 400

Explanation:

When counting by \displaystyle 100s, we add \displaystyle 100 to our previous number. 

\displaystyle \frac{\begin{array}[b]{r}300\\ +\ 100\end{array}}{ \ \ \ \space 400}

Example Question #2282 : Operations

When counting by \displaystyle 100s, what number comes after \displaystyle 400?

 

Possible Answers:

\displaystyle 500

\displaystyle 100

\displaystyle 600

\displaystyle 200

\displaystyle 300

Correct answer:

\displaystyle 500

Explanation:

When counting by \displaystyle 100s, we add \displaystyle 100 to our previous number. 

\displaystyle \frac{\begin{array}[b]{r}400\\ +\ 100\end{array}}{ \ \ \ \space 500}

Example Question #61 : Count Within 1000 By 1s, 5s, 10s, And 100s, Ccss.Math.Content.2.Nbt.A.2

When counting by \displaystyle 100s, what number comes after \displaystyle 500?

Possible Answers:

\displaystyle 100

\displaystyle 200

\displaystyle 600

\displaystyle 300

\displaystyle 400

Correct answer:

\displaystyle 600

Explanation:

When counting by \displaystyle 100s, we add \displaystyle 100 to our previous number. 

\displaystyle \frac{\begin{array}[b]{r}500\\ +\ 100\end{array}}{ \ \ \ \space 600}

Example Question #2283 : Operations

When counting by \displaystyle 100s, what number comes after \displaystyle 600?

 

Possible Answers:

\displaystyle 900

\displaystyle 700

\displaystyle 800

\displaystyle 500

\displaystyle 1\textup,000

Correct answer:

\displaystyle 700

Explanation:

When counting by \displaystyle 100s, we add \displaystyle 100 to our previous number. 

\displaystyle \frac{\begin{array}[b]{r}600\\ +\ 100\end{array}}{ \ \ \ \space 700}

Example Question #2284 : Operations

When counting by \displaystyle 100s, what number comes after \displaystyle 700?

 

Possible Answers:

\displaystyle 900

\displaystyle 600

\displaystyle 1\textup,000

\displaystyle 800

\displaystyle 500

Correct answer:

\displaystyle 800

Explanation:

When counting by \displaystyle 100s, we add \displaystyle 100 to our previous number. 

\displaystyle \frac{\begin{array}[b]{r}700\\ +\ 100\end{array}}{ \ \ \ \space 800}

Example Question #2285 : Operations

When counting by \displaystyle 100s, what number comes after \displaystyle 800?

 

Possible Answers:

\displaystyle 900

\displaystyle 700

\displaystyle 1\textup,000

\displaystyle 500

\displaystyle 600

Correct answer:

\displaystyle 900

Explanation:

When counting by \displaystyle 100s, we add \displaystyle 100 to our previous number. 

\displaystyle \frac{\begin{array}[b]{r}800\\ +\ 100\end{array}}{ \ \ \ \space 900}

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