Common Core: Kindergarten Math : Common Core Math: Kindergarten

Study concepts, example questions & explanations for Common Core: Kindergarten Math

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Example Questions

Example Question #117 : Understanding Addition And Subtraction

\(\displaystyle \frac{\begin{array}[b]{r}5\\ -\ 2\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 3\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 3\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 5\) and count back \(\displaystyle 2\).

\(\displaystyle 5, 4, 3\)

\(\displaystyle \frac{\begin{array}[b]{r}5\\ -\ 2\end{array}}{ \ \ \ \space 3}\)

Example Question #118 : Understanding Addition And Subtraction

\(\displaystyle \frac{\begin{array}[b]{r}3\\ -\ 2\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 1\)

\(\displaystyle 3\)

Correct answer:

\(\displaystyle 1\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 3\) and count back \(\displaystyle 2\).

\(\displaystyle 3, 2, 1\)

\(\displaystyle \frac{\begin{array}[b]{r}3\\ -\ 2\end{array}}{ \ \ \ \space 1}\)

Example Question #119 : Understanding Addition And Subtraction

\(\displaystyle \frac{\begin{array}[b]{r}2\\ -\ 2\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 1\)

\(\displaystyle 2\)

\(\displaystyle 0\)

Correct answer:

\(\displaystyle 0\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 2\) and count back \(\displaystyle 2\).

\(\displaystyle 2, 1, 0\)

\(\displaystyle \frac{\begin{array}[b]{r}2\\ -\ 2\end{array}}{ \ \ \ \space 0}\)

Example Question #120 : Understanding Addition And Subtraction

\(\displaystyle \frac{\begin{array}[b]{r}4\\ -\ 3\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 1\)

\(\displaystyle 0\)

Correct answer:

\(\displaystyle 1\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 4\) and count back \(\displaystyle 3\).

\(\displaystyle 4, 3, 2, 1,\)

\(\displaystyle \frac{\begin{array}[b]{r}4\\ -\ 3\end{array}}{ \ \ \ \space 1}\)

Example Question #721 : Numbers And Operations

\(\displaystyle \frac{\begin{array}[b]{r}5\\ -\ 4\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 3\)

\(\displaystyle 2\)

\(\displaystyle 1\)

Correct answer:

\(\displaystyle 1\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 5\) and count back \(\displaystyle 4\).

\(\displaystyle 5, 4, 3, 2, 1\)

\(\displaystyle \frac{\begin{array}[b]{r}5\\ -\ 4\end{array}}{ \ \ \ \space 1}\)

Example Question #691 : Common Core Math: Kindergarten

\(\displaystyle \frac{\begin{array}[b]{r}4\\ -\ 2\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 3\)

Correct answer:

\(\displaystyle 2\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 4\) and count back \(\displaystyle 2\).

\(\displaystyle 4, 3, 2\)

\(\displaystyle \frac{\begin{array}[b]{r}4\\ -\ 2\end{array}}{ \ \ \ \space 2}\)

Example Question #692 : Common Core Math: Kindergarten

\(\displaystyle \frac{\begin{array}[b]{r}3\\ -\ 3\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 1\)

\(\displaystyle 0\)

Correct answer:

\(\displaystyle 0\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 3\) and count back \(\displaystyle 3\).

\(\displaystyle 3,2,1,0\)

\(\displaystyle \frac{\begin{array}[b]{r}3\\ -\ 3\end{array}}{ \ \ \ \space 0}\)

Example Question #693 : Common Core Math: Kindergarten

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

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 3\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 2\)

Explanation:

To add we count up. Start at \(\displaystyle 1\) and count up \(\displaystyle 1\).

\(\displaystyle 1,2\)

\(\displaystyle \frac{\begin{array}[b]{r}1\\ +\ 1\end{array}}{ \ \ \ \space2}\)

Example Question #694 : Common Core Math: Kindergarten

\(\displaystyle \frac{\begin{array}[b]{r}3\\ +\ 1\end{array}}{ \ \ \space?}\)

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 3\)

Correct answer:

\(\displaystyle 4\)

Explanation:

To add we count up. Start at \(\displaystyle 3\) and count up \(\displaystyle 1\).

\(\displaystyle 3,4\)

\(\displaystyle \frac{\begin{array}[b]{r}3\\ +\ 1\end{array}}{ \ \ \ \space4}\)

Example Question #695 : Common Core Math: Kindergarten

\(\displaystyle \frac{\begin{array}[b]{r}2\\ +\ 1\end{array}}{ \ \ \space?}\)

Possible Answers:

\(\displaystyle 1\)

\(\displaystyle 4\)

\(\displaystyle 3\)

Correct answer:

\(\displaystyle 3\)

Explanation:

To add we count up. Start at \(\displaystyle 2\) and count up \(\displaystyle 1\).

\(\displaystyle 2,3\)

\(\displaystyle \frac{\begin{array}[b]{r}2\\ +\ 1\end{array}}{ \ \ \ \space3}\)

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