Math Exam. 2nd Grade

 $84-33=51$  

• eighty four minus thirty three is seventy one

• eighty four minus thirty three is fifty one

• eighteen plus thirteen three is fifty two

Tags

CCSS.1.NBT.A.1

 $78-21=57$  

• seventy eight minus two one is fifteen two

• seventeen eight minus twenty is fifty

• seventy eight minus twenty one is fifty seven

Tags

CCSS.1.NBT.A.1

 $32+27=59$  

• three two plus two seven is five nine

• thirty two plus twenty seven is fifty nine

• thirty two plus twenty seven is sixteen

Tags

CCSS.1.NBT.A.1

 $41+10=51$  

• forty one plus ten is fifty one

• fourtyn one plus ten is fivety one

• fourteen one plus ten is fifteen one

Tags

CCSS.1.NBT.A.1

 $15+11=26$  

• five one plus one is twenty seven

• fifteen plus eleven is twenty six

• fifty plus eleven is twelve

Tags

CCSS.1.NBT.A.1

 $12+43$  

• addition

• subtraction

• multiplication

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

 $48+23$  

• multiplication

• subtraction

• addition

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

 $78-98$  

• subtraction

• addition

• multiplication

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

 $4\times4$  

• addition

• multiplication

• subtraction

Tags

CCSS.3.OA.A.1

 $54-32$  

• subtraction

• addition

• multiplication

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2