Understanding Basic Subtraction Concepts

422-184 =_____

• 239

• 238

• 248

• 606

500- 45 = ________

• 5 hundreds, 4 tens, 7 ones

  
  

•  4 hundreds, 0 tens, 5 ones

•  4 hundreds, 5 tens, 5 ones

  
  

•  5 hundreds, 5 tens, 5 ones

There are 300 students at Smith. 

95 of them are girls.

How many students are boys?

• 300

• 395

• 95

• 205

Which number sentence has a difference of 4?

• 5-5=     ____

• 20-2=   ____

• 14-10= ____

• 20-18= ____

_____ + 34 = 172

• 210

• 138 

• 206 

  
  

• 75

Type in the difference of 465 - 24= ______

Type in the difference of 425- 168= ______

Which number sentence has a difference of 5?

• 20-2=   ____

• 14-10= ____

• 15-10= ____

• 5-5=     ____

Find the missing number

11 - ___ = 10 - 7 

Find the missing number

 15 - ___ = 6 - 4