Operation Action
Common Addition and Subtraction
Situations
Addition and Subtraction
• Start/Change/End
Putting in/Taking Out
Add to/Take from
Addition and Subtraction
• Part/Part/Whole
Joining/Separating
Put together/Take Apart
Addition and Subtraction
• Absolute Comparion
• Compare
Start/Change/End
Add to/Result Unknown
The candy shop has 8 Start Change End
pounds of fudge on 8
+5
?
display. The owner pounds pounds
added another 5
pounds to the
display. How much
candy is on display?
Start/Change/End
Add to/Change Unknown
The candy shop has 8
pounds of fudge on
display. The owner
added candy to the
display until there was
13 pounds of candy on
display. How much
candy did the owner
add to the display?
Start
Change End
8
+?
pounds
13
pounds
Start/Change/End
Add to/Start Unknown
The candy shop had some
fudge in the display case.
The owner added 5 pounds
of fudge to the display.
Now 13 pounds of fudge is
on display, how much fudge
was in the display before
the fudge was added?
Start
Change End
?
+5
13
pounds pounds
Start/Change/End
Take from/Result Unknown
There were 13
pounds of fudge in
the display at the
candy shop. A
customer bought 5
pounds. How much
fudge is left in the
display?
Start
13
pounds
Change End
-5
?
pounds
Start/Change/End
Take from/Change Unknown
There were 13 pounds of
Start Change
fudge on display at the
13
-?
candy store. A customer pounds
bought some fudge.
After this purchase 8
pounds of fudge was on
display. How much fudge
did the customer buy?
End
8
pounds
Start/Change/End
Take from/Start Unknown
Some fudge was on
display at the candy
store. After a
customer bought 5
pounds of candy, 8
pounds remained on
display. How much
fudge was originally on
display?
Start
Change End
?
-5
8
pounds pounds
Put together/Take Apart
Total Unknown
The candy store has two
Part
Part
kinds of fudge.
8
+5
Currently, 8 pounds of
pounds pounds
chocolate fudge and 5
pounds of peanut butter
fudge were on display.
How much fudge is
currently displayed?
Whole
?
Put together/Take apart
Addend Unknown
A candy store currently
is displaying 13 pounds
of fudge. Eight pounds
of the displayed candy
is chocolate fudge, the
rest is peanut butter
fudge. How much of
the displayed candy is
peanut butter fudge?
Part
Part
8
+?
pounds
Whole
13
pounds
Put together/Take Apart
Both addends unknown
Part
The candy store sold
13 pounds of fudge. ?
Some of the fudge
sold was chocolate
and some peanut
butter. How much of
each kind of fudge
was sold?
Part Whole
+ ? 13
pounds
Absolute Comparison
Difference Unknown
A candy store sells
chocolate and peanut
butter fudge. If they
sell 13 pounds of
chocolate fudge and 8
pounds of peanut butter
fudge, how much more
chocolate fudge was
sold?
Large
Set
13
lbs
Choc
Smal Difference
l Set
-8
?
lbs
Choc
Absolute Comparison
Difference Unknown
A candy store sells
chocolate and peanut
butter fudge. If they
sell 13 pounds of
chocolate fudge and 8
pounds of peanut butter
fudge, how much less
peanut butter fudge
was sold?
Large
Set
13
lbs
Choc
Smal Difference
l Set
-8
?
lbs
Choc
Absolute Comparison
Bigger Unknown
The candy store sold 5
pounds more chocolate
fudge than peanut
butter fudge. They
sold 8 pounds of
peanut butter fudge.
How much chocolate
fudge was sold?
Large Small Difference
Set
Set
?
-8
5
lbs
lbs
choc choc
Absolute Comparison
Small Set Unknown
The candy store sold 5
pounds less peanut
butter fudge than
chocolate fudge. They
sold 13 pounds of
chocolate fudge. How
much peanut butter
fudge was sold?
Large Small Difference
Set
Set
13 lbs -?
5 lbs
choc
choc