Addition and Subtraction with Regrouping

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Tags

CCSS.2.OA.A.1

Front

What does regrouping mean in addition?

Back

Regrouping in addition means carrying over a value from one column to the next when the sum exceeds 10.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What does regrouping mean in subtraction?

Back

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

Tags

CCSS.7.NS.A.1C

Front

Calculate: 876 - 543

Back

333

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Calculate: 456 + 389

Back

845

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Calculate: 543 - 287

Back

256

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Calculate: 567 + 345

Back

912

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Calculate: 345 + 278

Back

623

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 10 and 5?

Back

15

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2