Two digit addition with regrouping

Front

What is two-digit addition with regrouping?

Back

Two-digit addition with regrouping is a method used to add two-digit numbers where the sum of the digits in a column exceeds 9, requiring the 'carrying over' of the extra value to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you perform two-digit addition without regrouping?

Back

To perform two-digit addition without regrouping, simply add the digits in each column (ones and tens) without exceeding 9, writing the sum directly below.

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 place value (ones under ones, tens under tens) and start adding from the rightmost column (ones place).

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What do you do if the sum of the ones place exceeds 9?

Back

If the sum of the ones place exceeds 9, write down the ones 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 problem 57 + 13, what is the sum of the ones place?

Back

The sum of the ones place in 57 + 13 is 7 + 3 = 10.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the result of carrying over in the addition of 57 + 13?

Back

In 57 + 13, you carry over 1 to the tens place because the sum of the ones place is 10.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you add the tens place after carrying over?

Back

After carrying over, add the digits in the tens place along with the carried over value. For 57 + 13, it is 5 + 1 + 1 = 7.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the total of 27 + 45?

Back

The total of 27 + 45 is 72.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the importance of place value in addition?

Back

Place value is crucial in addition as it determines the position of each digit, ensuring that numbers are added correctly according to their value.

Tags

CCSS.2.NBT.B.7

Front

How can word problems help in understanding addition?

Back

Word problems provide real-life contexts that help students apply addition skills to solve practical situations, enhancing comprehension and retention.

Tags

CCSS.2.OA.A.1