two digit addition with regrouping

Front

What is two-digit addition with regrouping?

Back

Two-digit addition with regrouping is the process of adding two numbers that each have two digits, where the sum of the digits in a column exceeds 9, requiring a carry to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you add two-digit numbers without regrouping?

Back

To add two-digit numbers without regrouping, simply add the digits in each column (tens and ones) without carrying over any value to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the first step in adding two-digit numbers with regrouping?

Back

The first step is to align the numbers by their place values (tens and ones) and start adding from the rightmost column (ones place).

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

When adding 26 + 38, what do you do when the sum of the ones place exceeds 9?

Back

When the sum of the ones place exceeds 9, you write down the last digit of the sum and carry over the tens digit to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

In the addition problem 59 + 35, what is the sum of the ones place?

Back

The sum of the ones place in 59 + 35 is 9 + 5 = 14.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What do you do with the tens digit when the ones place sum is 14 in the problem 59 + 35?

Back

You write down 4 in the ones place and carry over 1 to the tens place.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the total sum of 29 + 67?

Back

The total sum of 29 + 67 is 96.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

In the addition 62 + 19, what is the sum of the tens place?

Back

The sum of the tens place in 62 + 19 is 6 + 1 = 7.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you handle the carry when adding 47 + 27?

Back

When adding 47 + 27, if the sum of the ones place is 14, you write down 4 and carry over 1 to the tens place.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the importance of place value in two-digit addition?

Back

Place value is important in two-digit addition because it helps to correctly align the digits and ensures that each digit is added to the correct column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5