Common Core: 1st Grade Math : Add and Subtract 10 to Two-Digit Numbers: CCSS.MATH.CONTENT.1.NBT.C.5

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

varsity tutors app store varsity tutors android store

Example Questions

Example Question #2381 : Ssat Elementary Level Quantitative (Math)

 

Possible Answers:

Correct answer:

Explanation:

When we add  to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by . Mentally, we can add  to the number in the tens place to find our answer. 

Example Question #2382 : Ssat Elementary Level Quantitative (Math)

 

Possible Answers:

Correct answer:

Explanation:

When we add  to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by . Mentally, we can add  to the number in the tens place to find our answer. 

Example Question #2383 : Ssat Elementary Level Quantitative (Math)

 

Possible Answers:

Correct answer:

Explanation:

When we add  to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by . Mentally, we can add  to the number in the tens place to find our answer. 

Example Question #1321 : How To Add

 

Possible Answers:

Correct answer:

Explanation:

When we add  to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by . Mentally, we can add  to the number in the tens place to find our answer. 

Example Question #2383 : Ssat Elementary Level Quantitative (Math)

 

Possible Answers:

Correct answer:

Explanation:

When we add  to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by . Mentally, we can add  to the number in the tens place to find our answer. 

Example Question #1322 : How To Add

 

Possible Answers:

Correct answer:

Explanation:

When we add  to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by . Mentally, we can add  to the number in the tens place to find our answer. 

Example Question #1323 : How To Add

 

Possible Answers:

Correct answer:

Explanation:

When we add  to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by . Mentally, we can add  to the number in the tens place to find our answer. 

Example Question #2383 : Numbers And Operations

 

Possible Answers:

Correct answer:

Explanation:

When we add  to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by . Mentally, we can add  to the number in the tens place to find our answer. 

Example Question #2385 : Ssat Elementary Level Quantitative (Math)

 

Possible Answers:

Correct answer:

Explanation:

When we add  to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by . Mentally, we can add  to the number in the tens place to find our answer. 

Example Question #2384 : Ssat Elementary Level Quantitative (Math)

 

Possible Answers:

Correct answer:

Explanation:

When we add  to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by . Mentally, we can add  to the number in the tens place to find our answer. 

Learning Tools by Varsity Tutors