What’s the Difference? 
$300 vs $20 
$280 more
What’s the Difference? 
$20 vs $300 
$280 less
What’s the Difference? 
5’7” vs 5’2” 
5 inches more
What’s the Difference? 
103 vs 75 
28 more
What’s the Difference? 
52 vs 75 
23 less
What’s the Difference? 
52 vs -10 
62 more
What’s the Difference? 
-2 vs -10 
8 more
What’s the Difference? 
-43 vs -10 
33 less
What’s the Difference? 
-21 vs 89 
110 less
What’s the Difference? 
8 vs 3 
5 more
What’s the Difference? 
9 vs -5 
14 more
What’s the Difference? 
-13 vs 4 
17 less
What’s the Difference? 
12 - 7 
5 
“5 more”
What’s the Difference? 
7 - 3 
4 
“4 more”
What’s the Difference? 
-14 - 8 
-22 
“22 less”
What’s the Difference? 
19 - (-4) 
23
What’s the Difference? 
-11 - 9 
-20
What’s the Difference? 
6 - 6 
0
What’s the Difference? 
10 - (-2) 
12
What’s the Difference? 
15 - 3 
12
What’s the Difference? 
-3 - 7 
-10
What’s the Difference? 
-3 - (-8) 
5
What’s the Difference? 
80 - 20 
60
What’s the Difference? 
-10 - 60 
-70
What’s the Difference? 
140 - 30 
110
What’s the Difference? 
80 - 35 
45
What’s the Difference? 
15 - (-25) 
40
What’s the Difference? 
90 - 30 
60
What’s the Difference? 
70 - 90 
-20
What’s the Difference? 
-140 - 35 
-175
What’s the Difference? 
175 - 90 
85
What’s the Difference? 
-170 - (-90) 
-80
What’s the Difference? 
35 - (-135) 
170
What’s the Difference?

Rushton's Difference Lesson | Subtraction under the Common Core Mathematics Standards