Question

Lesson 1: Converting time intervals (1)
• Understand the relationship between units of time, and convert
between them, including times expressed as a fraction or decimal
1 Convert the decimals to fractions or mixed numbers.
a 0-25=
b 0.5 =
d 1.5=
g 7.25=
e 3.75 =
h 5.5=
2 Convert the minutes to seconds
с
f
0.75=
2.25 =
i 9.75=

Answer 1

1. a) 0.25 = 1/4

b) 1/2

d) 3/2

e) 15/4

h) 11/2

2. c) 0.75min = 60x0.75 = 45sec

f) 2.25min = 60x2.25 = 135sec

i) 9.75min = 60x9.75 = 585sec