Use the graph to estimate: a the speed, in km/h, of a car travelling at 65 mph b the speed, in mph, of a train travelling at 110 km/h.
a) 104 km/h b) 69 mph
Oops!
Check
Okay!
Check
15
If a = 3.6 (to 1dp) and b = 14 (to the nearest whole number), fi nd the upper and lower bounds for each of the following:1)ab 2)a/b
1) 47.925 <= ab < 52.925 2) 0.245 <= a/b < 0.270
Oops!
Check
Okay!
Check
15
George and his friend Jane buy copies of the same book on the internet. George pays $16.95 and Jane pays ÂĢ11.99 on a day when the exchange rate is $1 = ÂĢ0.626. Calculate, in dollars, how much more Jane pays.
$2.20
Oops!
Check
Okay!
Check
trap
No points!
Oops!
fairy
Take points!
5
10
15
20
25
shark
Other team loses 15 points!
Okay!
thief
Give points!
5
10
15
20
25
15
Express each quantity in the units given in brackets
c) 2750 ml, 275 cl d) 10 000 mm3 , 0.000 01 m3
Oops!
Check
Okay!
Check
15
Express 7:30 PM in 24-hour clock format.
19:30.
Oops!
Check
Okay!
Check
15
Given the exchange rate between pound and Australian dollars is ÂĢ 1 = $ 1.87 ÂĢ1=$1.87, convert ÂĢ 70 ÂĢ70 to Australian dollars.
$130.90 in Australian dollars
Oops!
Check
Okay!
Check
15
How much time passes from 19.35 on Monday to 03.55 on Tuesday?
8 hours and 20 min passes.
Oops!
Check
Okay!
Check
eraser
Reset score!
Oops!
fairy
Take points!
5
10
15
20
25
shark
Other team loses 15 points!
Okay!
baam
Lose 10 points!
Oops!
15
Ellaâs height is 175 cm, correct to the nearest 5 cm. Write down the upper bound of Ellaâs height.
the upper bound of Ella's height is 180 cm.
Oops!
Check
Okay!
Check
15
Adam changes $700 into euros at a bank. The exchange rate is $1 = 0.904 euros. Work out the amount Adam receives.
632.8
Oops!
Check
Okay!
Check
15
Convert 480 minutes into hours and minutes.
8 hours and 0 minutes.
Oops!
Check
Okay!
Check
15
A carton contains 250 ml of juice, correct to the nearest millilitre. Complete the statement about the amount of juice, j ml, in the carton. âĶâĶ ï j < âĶ..
249.5 <= j < 250.5
Oops!
Check
Okay!
Check
15
What is the time difference between 8:30 AM and 3:45 PM on the same day?
5 hours and 15 minutes
Oops!
Check
Okay!
Check
lifesaver
Give 20 points!
Oops!
magnet
Take 25 points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 20 points!
Oops!
15
A doctor starts work at 20 40 and finishes work at 06 10 the next day. How long is the doctor at work? Give your answer in hours and minutes
the doctor is at work for 10 hours and 30 minutes.