Operations & Algebraic Thinking - Common Core: Kindergarten Math

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Question

$$\frac{\begin{array}$[b]{r}5\ -\ 3\end{array}}{ \ \ \ \space?}$

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Answer

To subtract we can count backwards. Start at and count back .

$$\frac{\begin{array}$[b]{r}5\ -\ 3\end{array}}{ \ \ \ \space2}$

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Question

$$\frac{\begin{array}$[b]{r}4\ -\ 1\end{array}}{ \ \ \ \space?}$

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Answer

To subtract we can count backwards. Start at and count back

$$\frac{\begin{array}$[b]{r}4\ -\ 1\end{array}}{ \ \ \ \space3}$

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Question

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

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Answer

To subtract we can count backwards. Start at and count back .

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

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Question

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

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Answer

To subtract we can count backwards. Start at and count back .

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

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Question

$$\frac{\begin{array}$[b]{r}2\ -\ 2\end{array}}{ \ \ \ \space ?}$

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Answer

To subtract we can count backwards. Start at and count back .

$$\frac{\begin{array}$[b]{r}2\ -\ 2\end{array}}{ \ \ \ \space 0}$

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Question

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

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Answer

To subtract we can count backwards. Start at and count back .

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

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Question

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

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Answer

To subtract we can count backwards. Start at and count back .

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

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Question

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

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Answer

To subtract we can count backwards. Start at and count back .

$$\frac{\begin{array}$[b]{r}4\ -\ 2\end{array}}{ \ \ \ \space 2}$

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Question

$$\frac{\begin{array}$[b]{r}3\ -\ 3\end{array}}{ \ \ \ \space ?}$

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Answer

To subtract we can count backwards. Start at and count back .

$$\frac{\begin{array}$[b]{r}3\ -\ 3\end{array}}{ \ \ \ \space 0}$

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Question

$$\frac{\begin{array}$[b]{r}1\ -\ 1\end{array}}{ \ \ \ \space ?}$

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Answer

To subtract we can count backwards. Start at and count back .

$$\frac{\begin{array}$[b]{r}1\ -\ 1\end{array}}{ \ \ \ \space 0}$

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Question

$$\frac{\begin{array}$[b]{r}3\ -\ 1\end{array}}{ \ \ \ \space ?}$

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Answer

To subtract we can count backwards. Start at and count back .

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

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Question

$$\frac{\begin{array}$[b]{r}5\ -\ 5\end{array}}{ \ \ \ \ \space ?}$

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Answer

To subtract we can count backwards. Start at and count back .

$$\frac{\begin{array}$[b]{r}5\ -\ 5\end{array}}{ \ \ \ \ \space 0}$

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Question

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

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Answer

To subtract we can count backwards. Start at and count back .

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

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Question

$$\frac{\begin{array}$[b]{r}4\ -\ 4\end{array}}{ \ \ \ \space ?}$

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Answer

$$\frac{\begin{array}$[b]{r}4\ -\ 4\end{array}}{ \ \ \ \space ?}$

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Question

$$\frac{\begin{array}$[b]{r}5\ -\ 1\end{array}}{ \ \ \ \space ?}$

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Answer

To subtract we can count backwards. Start at and count back .

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

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Question

$$\frac{\begin{array}$[b]{r}5\ -\ 3\end{array}}{ \ \ \ \space?}$

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Answer

To subtract we can count backwards. Start at and count back .

$$\frac{\begin{array}$[b]{r}5\ -\ 3\end{array}}{ \ \ \ \space2}$

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Question

$$\frac{\begin{array}$[b]{r}4\ -\ 1\end{array}}{ \ \ \ \space?}$

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Answer

To subtract we can count backwards. Start at and count back

$$\frac{\begin{array}$[b]{r}4\ -\ 1\end{array}}{ \ \ \ \space3}$

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Question

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

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Answer

To subtract we can count backwards. Start at and count back .

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

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Question

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

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Answer

To subtract we can count backwards. Start at and count back .

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

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Question

$$\frac{\begin{array}$[b]{r}2\ -\ 2\end{array}}{ \ \ \ \space ?}$

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Answer

To subtract we can count backwards. Start at and count back .

$$\frac{\begin{array}$[b]{r}2\ -\ 2\end{array}}{ \ \ \ \space 0}$

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