Common Core: 1st Grade Math : Working with Addition and Subtraction Equations

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

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Example Questions

Example Question #31 : Understand The Equal Sign, Determine If Equations Are True Or False: Ccss.Math.Content.1.Oa.D.7

Which of the equations is TRUE?

 

Possible Answers:

Correct answer:

Explanation:

 The “” sign means equal to.  is equal to .

Example Question #1601 : How To Add

Which of the equations is TRUE?

Possible Answers:

Correct answer:

Explanation:

The “” sign means equal to.  is equal to .

Example Question #32 : Understand The Equal Sign, Determine If Equations Are True Or False: Ccss.Math.Content.1.Oa.D.7

Which of the equations is TRUE?

 

 

Possible Answers:

Correct answer:

Explanation:

The “” sign means equal to.  is equal to .

Example Question #33 : Understand The Equal Sign, Determine If Equations Are True Or False: Ccss.Math.Content.1.Oa.D.7

Which of the equations is TRUE?

 

Possible Answers:

Correct answer:

Explanation:

The “” sign means equal to.  is equal to .

Example Question #31 : Working With Addition And Subtraction Equations

Which of the equations is TRUE?

 

Possible Answers:

Correct answer:

Explanation:

When you subtract  from , you get .  does not equal , because .  does not equal  because .  does not equal 6 because

Example Question #352 : How To Subtract

Which of the equations is TRUE?

 

 

Possible Answers:

Correct answer:

Explanation:

When you subtract  from , you get .  does not equal , because .  does not equal , because .  does not equal  because 

Example Question #353 : How To Subtract

Which of the equations is TRUE?

 

 

Possible Answers:

Correct answer:

Explanation:

When you subtract  from  you get .  does not equal  because .  does not equal  because .  does not equal  because .

Example Question #34 : Understand The Equal Sign, Determine If Equations Are True Or False: Ccss.Math.Content.1.Oa.D.7

Which of the equations is TRUE?

      

 

Possible Answers:

Correct answer:

Explanation:

When you subtract  from  you get .  is not  because 1.  does not equal  because .  does not equal  because .

Example Question #35 : Understand The Equal Sign, Determine If Equations Are True Or False: Ccss.Math.Content.1.Oa.D.7

Which of the equations is TRUE?

 

Possible Answers:

Correct answer:

Explanation:

When you subtract  from  you get .  does not equal  because .  does not equal  because .  does not equal  because

Example Question #36 : Understand The Equal Sign, Determine If Equations Are True Or False: Ccss.Math.Content.1.Oa.D.7

Which of the equations is TRUE?

 

    

Possible Answers:

Correct answer:

Explanation:

When you subtract  from  you get .  does not equal  because .  does not equal  because .  does not equal  because

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