Adding and Subtracting with Regrouping

Front

What is regrouping in addition?

Back

Regrouping in addition is when you combine numbers that are more than 10 and carry over to the next place value.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next place value to subtract a larger number from a smaller number.

Tags

CCSS.7.NS.A.1C

Front

21 + 47 = ?

Back

68

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

67 - 49 = ?

Back

18

Tags

CCSS.2.NBT.B.5

Front

64 + 29 = ?

Back

93

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

68 - 35 = ?

Back

33

Tags

CCSS.2.NBT.B.5

Front

What does it mean to add?

Back

Adding means putting together two or more numbers to find a total.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What does it mean to subtract?

Back

Subtracting means taking one number away from another.

Tags

CCSS.2.OA.A.1

Front

What is the sum of 40 and 5?

Back

45

Tags

CCSS.2.NBT.B.6

Front

What is the difference between 68 and 35?

Back

33

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2