2nd Grade Addition and Subtraction Vocabulary

Take apart a number and write it another way

• addend

• subtrahend

• sum

• regrouping

Tags

CCSS.1.OA.A.1

What are the numbers you add called?

• digits

• subtrahend

• addends

• sum

The answer to an addition problem is called:

(a)  

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

When you join two numbers together to find the total you:

(a)  

Tags

CCSS.1.OA.A.1

6+3=9; 3+6=9; 9-6=3; 9-3=6 is called:

• related facts

• flip flopping

• fact family

• sum and difference

When you subtract the answer is called:

(a)  

When you add 35+25 what do you have to do in the one's place?

• add

• regroup

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

When you subtract 72-46 what questions should you ask yourself?

• More on top? (no need to stop)

• More on the floor? (go next door)

• Both A and B

• no questions just subtract the one's place

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

When you compare two numbers what are you wanting to know?

(a)  

Tags

CCSS.1.NBT.B.3