Adding and Subtracting with Regrouping

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 does the term 'sum' mean?

Back

The sum is the result of adding two or more numbers together.

Tags

CCSS.6.EE.A.1

Front

What does the term 'difference' mean?

Back

The difference is the result of subtracting one number from another.

Tags

CCSS.5.NBT.B.7

Front

How do you add 27 + 36 using regrouping?

Back

1. Add the ones: 7 + 6 = 13. Write down 3 and carry over 1. 2. Add the tens: 2 + 3 + 1 (carried over) = 6. So, 27 + 36 = 63.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you subtract 54 - 29 using regrouping?

Back

1. Start with the ones: 4 - 9 can't be done, so borrow 1 from the tens. 2. Now it's 14 - 9 = 5. 3. For the tens: 4 - 2 = 2. So, 54 - 29 = 25.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the value of 1000 + 118?

Back

1118

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the value of 40 + 7?

Back

47

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the value of 700 + 60 + 5?

Back

765

Tags

CCSS.2.NBT.A.3

Front

What is the value of 60 + 0?

Back

60

Tags

CCSS.1.OA.B.3