Third Grade Addition and Subtraction

When we add two numbers and do the addition we use the symbol

• +

• -

• =

• x

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Taking away a smaller number from the big number is called

• addition

• subtraction

Tags

CCSS.2.OA.A.1

9 + 8 =

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

37 + 5 =

Tags

CCSS.2.NBT.B.5

An art teacher had 736 crayons.

She threw away 197 broken crayons. Then she bought 150 more crayons. Which equation shows how to find the number of crayons the art teacher has now?

• A

• B

• C

• D

Tags

CCSS.3.OA.D.8

516 + 468 =

• 974

• 1,984

• 984

• 986

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

• 
• 
• 
• 

Tags

CCSS.3.OA.D.8

What is 40 + 80?

• 320

• 110

• 120

• 140

Tags

CCSS.2.NBT.B.5

James have 90 marshmallows in the jar. He adds 382 more. How many marshmallows are now in the jar? 

• 472

• 289

• 340

• 198

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

92 + 85 + 135 =

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2