Addition
+ 20
49
-21
26
Which word means addition?
A) Total B) Difference
A) Total
"In total" means to?
Add Subtract
Add
65
+23
88
-32
26
Is "fewer" a key word for addition or subtraction?
Subtraction
27
+ 12
39
100
+ 45
145
- 20
105
If a question says "How much/many more than..." is that addition or subtraction?
Subtraction
-10
52
250
+100
350
-100
70
Which terms mean addition?
Altogether difference sum fewer
total in all left
Altogether
sum
total
in all
65
+15
80
450
+500
950
100
- 40
60
"How many ____ are left?" Are we adding or subtracting?
subtracting
What operation would you use for this question?
Mike has 7 dogs. 3 of the dogs ran away. How many dogs does Mike have now?
4 dogs