Mastering 2-Digit Addition with Regrouping

Coach Mike teaches how to add two-digit numbers using the example of 35 plus 26. He explains the process step-by-step, starting with the ones place and then moving to the tens place, using a counting strategy and regrouping. The lesson concludes with the final sum of 61 and a reminder that the sum is the answer to an addition problem.

What is the topic of today's lesson?

• Division of two-digit numbers

• Addition of two-digit numbers

• Multiplication of two-digit numbers

• Subtraction of two-digit numbers

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the first step Coach Mike takes to organize his work?

• Writing the numbers in a column

• Drawing a line between the digits

• Highlighting the numbers

• Using a calculator

Tags

CCSS.2.NBT.B.7

Which number does Coach Mike put in his head first when adding the ones place?

• 6

• 3

• 2

• 5

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the sum of 5 and 6 in the ones place?

• 11

• 10

• 9

• 12

Tags

CCSS.2.OA.C.3

What strategy does Coach Mike use to add the ones place digits?

• Using a calculator

• Counting on from the larger number

• Writing down all possible sums

• Guessing the answer

Tags

CCSS.2.NBT.B.7

Where does Coach Mike place the regrouped digit from the ones place?

• In the hundreds place

• In the tens place

• In the ones place

• In the regrouping box

Tags

CCSS.2.NBT.B.7

What is the sum of 3 and 2 in the tens place before adding the regrouped digit?

• 4

• 7

• 5

• 6

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What should you not forget when adding the tens place digits?

• The regrouped digit

• The number in the ones place

• The original numbers

• The number in the hundreds place

Tags

CCSS.2.NBT.B.7

What is the final sum of 35 and 26?

• 71

• 81

• 61

• 51

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the term used for the answer to an addition problem?

• Product

• Difference

• Sum

• Quotient

Tags

CCSS.6.EE.A.1