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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 #351 : Number & Operations In Base Ten

$\frac{\begin{array}[b]{r}80\\ -\ 70\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}80\\ -\ 70\end{array}}{ \ \ \space}$

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

8-7=1

$\frac{\begin{array}[b]{r}80\\ -\ 70\end{array}}{ \ \ \ \space10}$

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Example Question #792 : How To Subtract

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

Possible Answers:

Correct answer:

Explanation:

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

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

8-8=0

$\frac{\begin{array}[b]{r}80\\ -\ 80\end{array}}{ \ \ \ \ \ \space0}$

Report an Error

Example Question #793 : How To Subtract

$\frac{\begin{array}[b]{r}70\\ -\ 60\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}70\\ -\ 60\end{array}}{ \ \ \space}$

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

7-6=1

$\frac{\begin{array}[b]{r}70\\ -\ 60\end{array}}{ \ \ \ \space10}$

Report an Error

Example Question #1161 : Common Core Math: Grade 1

$\frac{\begin{array}[b]{r}50\\ -\ 20\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}50\\ -\ 20\end{array}}{ \ \ \space}$

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

5-2=3

$\frac{\begin{array}[b]{r}50\\ -\ 20\end{array}}{ \ \ \ \space30}$

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Example Question #1162 : Common Core Math: Grade 1

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

Possible Answers:

Correct answer:

Explanation:

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

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

3-3=0

$\frac{\begin{array}[b]{r}30\\ -\ 30\end{array}}{ \ \ \ \ \ \space0}$

Report an Error

Example Question #1163 : Common Core Math: Grade 1

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

Possible Answers:

Correct answer:

Explanation:

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

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

2-2=0

$\frac{\begin{array}[b]{r}20\\ -\ 20\end{array}}{ \ \ \ \ \ \space0}$

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Example Question #1164 : Common Core Math: Grade 1

$\frac{\begin{array}[b]{r}60\\ -\ 40\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}60\\ -\ 40\end{array}}{ \ \ \space}$

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

6-4=2

$\frac{\begin{array}[b]{r}60\\ -\ 40\end{array}}{ \ \ \ \space20}$

Report an Error

Example Question #352 : Number & Operations In Base Ten

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

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

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

Report an Error

Example Question #1166 : Common Core Math: Grade 1

$\frac{\begin{array}[b]{r}60\\ -\ 40\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}60\\ -\ 40\end{array}}{ \ \ \space}$

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

6-4=2

$\frac{\begin{array}[b]{r}60\\ -\ 40\end{array}}{ \ \ \ \space20}$

Report an Error

Example Question #1167 : Common Core Math: Grade 1

$\frac{\begin{array}[b]{r}90\\ -\ 60\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

$\frac{\begin{array}[b]{r}90\\ -\ 60\end{array}}{ \ \ \space}$

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

9-6=3

$\frac{\begin{array}[b]{r}90\\ -\ 60\end{array}}{ \ \ \ \space30}$

Report an Error

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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 #351 : Number & Operations In Base Ten

Example Question #792 : How To Subtract

Example Question #793 : How To Subtract

Example Question #1161 : Common Core Math: Grade 1

Example Question #1162 : Common Core Math: Grade 1

Example Question #1163 : Common Core Math: Grade 1

Example Question #1164 : Common Core Math: Grade 1

Example Question #352 : Number & Operations In Base Ten

Example Question #1166 : Common Core Math: Grade 1

Example Question #1167 : Common Core Math: Grade 1

All Common Core: 1st Grade Math Resources

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