Subtraction Within Hundreds

If Mark and Tucker have 870 marbles and they lose 536 of them, how many are left? 

• 347

• 334

• 786

• 870

There were 537 people in the parade.  254 of these people were playing an instrument.  How many people were not playing an instrument?

• 283

• 323

• 791

• 1091

There were 323 postcards on the table. Morgan and Stephen use 125 of them. How many postcards were left?

• 198 postcards

• 0

• 448

• 498

18 - 16 =

• 2

• 3

• 4

• 5

9 - 5 =

• 2

• 3

• 4

• 14

16 - 8 =

• 7

• 8

• 10

• 24

12 - 9 =

• 3

• 4

• 9

• 20

13 - 7 =

• 5

• 6

• 7

• 20

18 -11 =

• 6

• 7

• 10

• 11

20 -18 =

• 2

• 3

• 10

• 18