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Common Core: 1st Grade Math : Common Core Math: Grade 1

Study concepts, example questions & explanations for Common Core: 1st Grade Math

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All Common Core: 1st Grade Math Resources

7 Diagnostic Tests 180 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #1151 : Common Core Math: Grade 1

$\frac{\begin{array}[b]{r}40\\ -\ 20\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}40\\ -\ 20\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

0-0=0

4-2=2

$\frac{\begin{array}[b]{r}40\\ -\ 20\end{array}}{ \ \ \ \space20}$

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Example Question #1152 : Common Core Math: Grade 1

$\frac{\begin{array}[b]{r}20\\ -\ 10\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}20\\ -\ 10\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

0-0=0

2-1=1

$\frac{\begin{array}[b]{r}20\\ -\ 10\end{array}}{ \ \ \ \space10}$

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Example Question #1153 : Common Core Math: Grade 1

$\frac{\begin{array}[b]{r}80\\ -\ 50\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}80\\ -\ 50\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

0-0=0

8-5=3

$\frac{\begin{array}[b]{r}80\\ -\ 50\end{array}}{ \ \ \ \space30}$

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Example Question #772 : How To Subtract

$\frac{\begin{array}[b]{r}90\\ -\ 30\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}90\\ -\ 30\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

0-0=0

9-3=6

$\frac{\begin{array}[b]{r}90\\ -\ 30\end{array}}{ \ \ \ \space60}$

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Example Question #1154 : Common Core Math: Grade 1

$\frac{\begin{array}[b]{r}70\\ -\ 50\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}70\\ -\ 50\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

0-0=0

7-5=2

$\frac{\begin{array}[b]{r}70\\ -\ 50\end{array}}{ \ \ \ \space20}$

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Example Question #774 : How To Subtract

$\frac{\begin{array}[b]{r}60\\ -\ 10\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}60\\ -\ 10\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

0-0=0

6-1=

$\frac{\begin{array}[b]{r}60\\ -\ 10\end{array}}{ \ \ \ \space50}$

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Example Question #1155 : Common Core Math: Grade 1

$\frac{\begin{array}[b]{r}10\\ -\ 10\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}10\\ -\ 10\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

0-0=0

1-1=

$\frac{\begin{array}[b]{r}10\\ -\ 10\end{array}}{ \ \ \ \ \ \space0}$

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Example Question #1011 : Ssat Elementary Level Quantitative (Math)

$\frac{\begin{array}[b]{r}90\\ -\ 70\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}90\\ -\ 70\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

0-0=0

9-7=2

$\frac{\begin{array}[b]{r}90\\ -\ 70\end{array}}{ \ \ \ \space20}$

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Example Question #791 : How To Subtract

$\frac{\begin{array}[b]{r}90\\ -\ 80\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}90\\ -\ 80\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

0-0=0

9-8=1

$\frac{\begin{array}[b]{r}90\\ -\ 80\end{array}}{ \ \ \ \space10}$

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Example Question #351 : Number & Operations In Base Ten

$\frac{\begin{array}[b]{r}90\\ -\ 90\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}90\\ -\ 90\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

0-0=0

9-9=0

$\frac{\begin{array}[b]{r}90\\ -\ 90\end{array}}{ \ \ \ \ \ \space0}$

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All Common Core: 1st Grade Math Resources

7 Diagnostic Tests 180 Practice Tests Question of the Day Flashcards Learn by Concept

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Common Core: 1st Grade Math : Common Core Math: Grade 1

Study concepts, example questions & explanations for Common Core: 1st Grade Math

All Common Core: 1st Grade Math Resources

Example Questions

Example Question #1151 : Common Core Math: Grade 1

Example Question #1152 : Common Core Math: Grade 1

Example Question #1153 : Common Core Math: Grade 1

Example Question #772 : How To Subtract

Example Question #1154 : Common Core Math: Grade 1

Example Question #774 : How To Subtract

Example Question #1155 : Common Core Math: Grade 1

Example Question #1011 : Ssat Elementary Level Quantitative (Math)

Example Question #791 : How To Subtract

Example Question #351 : Number & Operations In Base Ten

All Common Core: 1st Grade Math Resources

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