group 1
group 2
group 3
100

10:30

it's half past ten

100

3:45

it's a quarter to four

100

6:15

it's a quarter past six

200

7:15

it's a quarter past seven

200

5:30

it's half past five

200

8:45

it's a quarter to nine

300

2:45

it's a quarter to three

300

7:45

it's a quarter to eight

300

6:45

it's a quarter to seven

400

8:55

it's five to nine

400

7:40

it's twenty to eight

400

9:50

it's ten to ten

500

2:15

it's a quarter past two

500

5:15

it's a quarter past five

500

4:15

it's a quarter past four