Any Method
76-23=?
Use any method to solve
?= 53
82-16=?
Use any method to regroup the equation.
?= 66
12-8=?
How would you write this as an addition equation using part-part- whole?
?+8=12
82-33=?
-2 -2
80-31=?
Adjusting
Base Ten
Stacking
Adjusting numbers
64-23=?
Use base ten blocks to solve.
?= 41
85-25=?
Use any method to solve
?=60
45-28=?
Use any method to regroup the equation.
?= 17
15-7=?
How would you write this as an addition equation using part-part- whole?
82
-40
___
42
What method is being shown?
43-16=?
Use base ten blocks to solve the equation.
?=27
58-43=?
Use any method to solve.
?=5
60-25=?
Use any method to regroup the equation.
?=35
32-25=?
How would you write this as an addition equation using part-part- whole?
?+25=32
54-20=?
20_________________________54
What method is being used?
Open number line
100-45=?
Use base ten blocks to solve the equation.
?= 55