Repeated addition
Time
Subtraction
Multiplication
Add
100

3+3+3

9

100

It’s 8 what the hour after 8

9

100

10-10

0

100

5x5

25

100

50+50=

đŸ’¯ 

200

5+5+5+5+5

25

200

Is 10 at Night what 2 hours affter

12. That’s midnight,That’s midnight!!

200

50-5=

55

200

6x5

24

200

 72+12

81

300

6+4+4

14

300

it's 5 in the morning what's 20 minutes after

5:20

300

40-5 

45

300

2x8

15

300

23+10=

33

400

5+5+5

15

400

It 1 in the morning what 15 minutes after 

1:15

400

10-100

90

400

10x10

100

400

5+65

70

500

5+6+5

16

500

It's 4 and bb left 2 hours after 

she left at 6

500

100-14

84

500

5x6

30

500

10+50=

60

M
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