Common Core: 2nd Grade Math : Add up to Four Two-Digit Numbers: CCSS.Math.Content.2.NBT.B.6

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

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Example Questions

Example Question #1071 : Number & Operations In Base Ten

Solve the following:

Possible Answers:

Correct answer:

Explanation:

When we add with multi-digit numbers, we start with the numbers in the ones place, and then move to the left. 

1 1

Let's add the digits in the ones place:

Because the sum is greater than , we have to carry the  to the tens place. So far, your work should look like the following: 

1 2

Next, we add the numbers in the tens position, including the  that was carried over:

1 3

Let's add the digits in the tens place:

Your final answer should be 

1 4

Example Question #1072 : Number & Operations In Base Ten

Solve:

   46

   64

   58

+ 14

Possible Answers:

Correct answer:

Explanation:

When we add with multi-digit numbers, we start with the numbers in the ones place, and then move to the left. 

2 1

Let's add the digits in the ones place:

Because the sum is greater than , we have to carry the  to the tens place. So far, your work should look like the following: 

2 2

Next, we add the numbers in the tens position, including the  that was carried over:

2 3

Let's add the digits in the tens place:

Your final answer should be 

2 4

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