All Common Core: 2nd Grade Math Resources
Example Questions
Example Question #1 : Mentally Add And Subtract Within 20: Ccss.Math.Content.2.Oa.B.2
Possible Answers:
Correct answer:
Explanation:
To subtract we can count backwards. Start at and count back
Example Question #2 : Mentally Add And Subtract Within 20: Ccss.Math.Content.2.Oa.B.2
Possible Answers:
Correct answer:
Explanation:
To subtract we can count backwards. Start at and count back
Example Question #1 : Operations & Algebraic Thinking
Solve the following:
Possible Answers:
Correct answer:
Explanation:
To subtract we can count backwards. Start at and count back
Example Question #4 : Mentally Add And Subtract Within 20: Ccss.Math.Content.2.Oa.B.2
Possible Answers:
Correct answer:
Explanation:
To subtract we can count backwards. Start at and count back
.
Example Question #1 : Mentally Add And Subtract Within 20: Ccss.Math.Content.2.Oa.B.2
Possible Answers:
Correct answer:
Explanation:
To subtract we can count backwards. Start at and count back
.
Example Question #6 : Mentally Add And Subtract Within 20: Ccss.Math.Content.2.Oa.B.2
Possible Answers:
Correct answer:
Explanation:
To subtract we can count backwards. Start at and count back
.
Example Question #1 : Operations & Algebraic Thinking
Possible Answers:
Correct answer:
Explanation:
To subtract we can count backwards. Start at and count back
.
Example Question #8 : Mentally Add And Subtract Within 20: Ccss.Math.Content.2.Oa.B.2
Possible Answers:
Correct answer:
Explanation:
To subtract we can count backwards. Start at and count back
.
Example Question #9 : Mentally Add And Subtract Within 20: Ccss.Math.Content.2.Oa.B.2
Possible Answers:
Correct answer:
Explanation:
To subtract we can count backwards. Start at and count back
Example Question #10 : Mentally Add And Subtract Within 20: Ccss.Math.Content.2.Oa.B.2
Possible Answers:
Correct answer:
Explanation:
To subtract we can count backwards. Start at and count back
.
All Common Core: 2nd Grade Math Resources
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