times
addtion
take away
3 times
3 addtion
100

2x1

2

100

33+0

33

100

88-1

87

100

5x3x2

(5x3)=15x2=

30

100

6+9+7

(6+9)=15+7

22

200

33x0

0

200

29+200

229

200

67-0

67

200

5x6x8

(5x6)=30x8

240

300

4x0

0

300

67+0

67

300

37-98

-61

300

6x3x8

(6x3)=18x8

144

400

22x2

44

400

56+51

107

400

89-09

80

400

6x7x6

(6x7)=42x6

252

500

2x50

100

500

12+2990

3002

500

3443-3434

9

500

9x3x7

(9x3)=27x7

189