Multidigit Addition and Rounding

What is the result of adding 456 and 789?

• 1456

• 1234

• 1345

• 1245

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

In multidigit addition, what is the process called when the sum of two digits is greater than 9 and requires carrying over?

• Transferring

• Carrying over

• Overflowing

• Borrowing

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Calculate the sum of 2345 and 6789.

• 9123

• 9134

• 9012

• 8901

Tags

CCSS.4.NBT.B.4

When regrouping in multidigit addition, what is the term used for moving a group of digits to the left to simplify the addition process?

• transferring

• shifting

• sliding

• carrying

Tags

CCSS.2.NBT.B.7

Find the total when 3456 is added to 7890.

• 11346

• 9876

• 5678

• 12345

Tags

CCSS.4.NBT.B.4

Explain the concept of carrying over in multidigit addition with an example.

• In carrying over, you always add the carried over number to the next column without considering the sum

• When carrying over, you subtract the carried over number from the next column instead of adding it

• Carrying over is only necessary when the sum of the units column is less than 9

• For example, in the addition problem 56 + 78, when adding the units column (6 + 8), the sum is 14. Since 14 is greater than 9, we write down 4 in the units place and carry over 1 to the tens column. Then, when adding the tens column (5 + 7 + 1), the sum is 13. We write down 3 in the tens place and carry over 1 to the hundreds column if needed.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

If you need to add 5678 and 1234, what is the first step in the addition process?

• Subtract the ones column

• Divide the numbers

• Add the ones column

• Multiply the numbers

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the sum of 9876 and 5432?

• 16308

• 15420

• 14908

• 15308

Tags

CCSS.4.NBT.B.4

Describe the importance of regrouping in multidigit addition.

• Regrouping leads to incorrect results in multidigit addition

• Regrouping is unnecessary and slows down the addition process

• Regrouping is only used in subtraction, not addition

• Regrouping in multidigit addition is crucial for maintaining the correct place values and ensuring accurate results.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Calculate the total when 8765 is added to 4321.

• 13096

• 13086

• 13076

• 13106

Tags

CCSS.4.NBT.B.4