Subtraction
27 - 19 =
8
19 + 8 =
27
Alice subtracted 12 - 9 = 3.
Write an equation to check her work.
9 + 3 = 12
or
3 + 9 = 12
Carlos has 32 cars. Angel has 10 fewer cars than Carlos. How many cars does Angel have?
22
Create an array with 6 tiles and label the rows and columns.
Teacher Checks Work
50 - 31 =
19
31 + 19 =
50
Leo subtracted 50 - 21 = 29
Write an equation to check his work.
21 + 29 = 50
or
29 + 21 = 50
There are 94 cows in a barn. 19 cows went to the field. How many cows are in the barn now?
75
Create an array with 12 tiles and label the rows and columns.
Teacher Checks Work.
125 - 18 =
107
107 + 18 =
125
Alex subtracted 100 - 80 = 20
Write an equation to check her work.
80 + 20 = 100
or
20 + 80 = 100
Ramon has 132 cars. JR has 59 fewer cars than Ramon. How many cars does JR have?
73
Create an array with 16 tiles and label the rows and columns.
Teacher checks work
200 - 111 =
89
111 + 89 =
200
Jose subtracted 231 - 193 = 38.
Write an equation to check his work.
193 + 38 = 231
or
38 + 193 = 231
There are 243 frogs in a pond. 184 frogs hopped out of the pond. How many frogs are left in the pond?
59
Create an array with 22 tiles and label the rows and columns.
Teacher check works.
309 - 187 =
122
187 + 122 =
309
Kora subtracted 300 - 121 = 179
Write an equation to check her work.
121 + 179 = 300
or
179 + 121 = 300
Ray has 700 cars. Sebastian has 391 fewer cars than Ray. How many cars does Sebastian have?
309
Create an array with 25 tiles and label the rows and columns.
Teacher checks work.