2/3 Digit Addition and Subtraction

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 taking one number away from another.

Tags

CCSS.2.NBT.B.7

Front

What is the sum of 604 and 207?

Back

811

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 17, 25, and 30?

Back

72

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 66 minus 31?

Back

35

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 544 minus 242?

Back

302

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 21 and 47?

Back

68

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What does it mean to regroup in addition?

Back

Regrouping in addition means to carry over a value to the next column when the sum exceeds 9.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What does it mean to borrow in subtraction?

Back

Borrowing in subtraction means to take a value from the next column when the top number is smaller than the bottom number.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is a 2-digit number?

Back

A 2-digit number is a number that has two places, such as 10 to 99.

Tags

CCSS.1.NBT.A.1