ADDING
SUBTRACTING
MULTIPLYING
BEDMAS
PERCENTAGES
100

32+46


30+40+70

6+2=8

70+8=78

100

12-13


12-13=-1

because as you can see the smaller number is first 

100

74x1


74x1=74

100

2x4+3


2x4=8

8+3=11

because of bedmas we multiply first then add

100

10% of 120


10 divide 120=12

200

57+12+33

57+33=90

90+12=102

200

88-23


88-23+65

200

1x2x3x4x5x6

1x2x3x4x5x6=720

200

31+9x4


9x4=36

31+36=67

because of bedmas we multiply first

200

10% of 31



10 divide 31=3.1

300

37+145+31

37+31=68

145+68=213

300

690-420


690-420=270

300

47x32

47x32=1504

300

21x3(34+43)



(34+43)=77

21x3=63

77+63+140

because of bedmas we do brackets first

300

15% of 90


15% of 90 =

(15:100)90 =

(15x90):100 =

1350:100 = 13.5

400

99+99+99+34



99+99=198

99+34=133

198+133=331

400

832--233



832--233

=832+233=1065

if you remember the rules of negative integers when we have two negative signs in an equation it becomes a positive 

400

89x34


89x34=2136

400

23squaredx22(234+66)


(234+66)=300

23x23=529+300=829

829x22=18238

because of bedmas we do do brackets first hen exponents then multiplication

400

3% of 320


3% of 320 =

(3:100)320 =

(3x320):100 =

960:100 = 9.6

500

1234+5678+1


1234+5678+1=6913

500

23453-659


32453-659=22794

500

500x50x5


500x50x5=125000

500

213squared+32



213x213=45369

45369+32=45401

cause of bedmas exponents come first

500

150% of 88


150 of 88 =

(150:100)88 =

(150x88):100 =

13200:100 = 132

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