subtraction
18-4
14
4 x 8
32
19 + 8
27
65 x 100
6,500
50 x 80
4,000
500-50
450
50 x 20
1,000
7 + 9
16
170 + 400
570
60 + 500
11,000
70-30
40
29 + 6
35
350 - 150
250
390- 80
310
180-60
20
2 x 600
1200
10+ 25
35
120-20
100
What is this symbol mean “ - “
subtraction
200-100
100
3 x 9
27
8 + 8
16
410-200
210
What does this symbol mean “ +”
Addition