Addition
Days in # of Weeks
Time
Dates in number form
Subtraction
100

43+20

63

100

7 weeks

49

100

It is 2:00. What time will it be in two hours?

4:00

100

September 10, 2019.

9/10/19

100

95-20

75

200

52+40

92

200

9 weeks

63 days

200

It is 5:30. What time will it be in a half hour?

6:00

200

October 1, 2020

10/1/20

200

82-50

32

300

90+10

100

300

10 weeks

70 days

300

It is 9:30. What time will it be in one hour?

10:30

300

December 11, 2043

12/11/43

300

45-30

15

400

28+60

88

400

6 weeks

42 days

400

How many minutes are in a half hour?

30 minutes

400

January 15, 1995

1/15/95

400

90-50

40

500

40+52

92

500

5 weeks

35 days

500

How many minutes are in an hour?

60  minutes

500

April 19, 1999

4/19/99

500

53-20

33