Regrouping Addition and Subtraction

Front

What is regrouping in addition?

Back

Regrouping in addition is the process of carrying over a value from one column to the next when the sum of a column exceeds 9.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next column when the top number is smaller than the bottom number in a column.

Tags

CCSS.7.NS.A.1C

Front

What is the sum of 345 and 362?

Back

707

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If there are 347 students in the cafeteria and 123 are boys, how many are girls?

Back

224 girls.

Tags

CCSS.3.OA.D.8

Front

What is the difference between 608 and 234?

Back

374

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between 500 and 161?

Back

339

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between 200 and 136?

Back

64

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does it mean to find the sum?

Back

Finding the sum means adding two or more numbers together to get a total.

Front

What does it mean to find the difference?

Back

Finding the difference means subtracting one number from another to see how much more one number is than the other.

Tags

CCSS.1.OA.A.1

Front

What is an example of a two-digit addition problem that requires regrouping?

Back

27 + 48 = 75 (7 + 4 = 11, carry over 1 to the next column).

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5