Decimal
Fractions
Read the following number out loud
1 332 145
One million
Three hundred and thirty two thousand
one hundred and forty five
Convert 10% to a decimal
10% / 100
=0.1
Write 0.5 as a percentage.
50%
If something is shared in the ratio 1:2, what fraction is it shared in?
It is shared in ______s.
1+2 = 3 so thirds
what is the value of 2^4 (no calculator)
2 x 2 x 2 x 2 = 16
ten million two hundred thousand and 65
10 200 065
Round the following number to the nearest whole number:
456.67
nearest whole number =
457
Express 4 out of 5 as a percentage.
80%
if $100 is shared in a 100 ratio between 2 friends, how much does each recieve?
$50
which is larger 4 sevenths or 6 thirteenths
6/13=0.461
4/7= 0.57
so 4 sevenths is larger
What is remaining from 1 after you subtract a half and an eigth?
1 - (1/2) - (1/8)
=(3/8) or 0.375
Round to the the 3rd decimal place.
303.0909
303.091
If a coffee costs $5.00 without GST. How much is it with GST?
$5.00 x 1.15
= $5.75
Split 40 in the ratio 1:3
10, 30
Spell your teachers name on the whiteboard.
Mr. Konietzny
What is the place value of the "3" in the following number?
8 645 444.30
tenths
0.045, 0.04501, 0.0451
0.045
0.04501
0.0451
Smallest = 0.045
Out of every 17,000 people, one person has albinism (a condition where your skin has no pigmentation). Express this as a percentage (4 d.p)
1/17000 x100 = 0.00588...
= 0.0059%
I split the rent with my flat mate in a 3:5 ratio. If the rent is $1600 per fortnight, how much does my flat mate pay?
3+5=8
5/8*1600=1000
They pay $1000.00
If I can run 3 km in 8 minutes, how far can I run in 24 minutes?
24 = 3 x 8
3km x 3 = 9km
I can run 9km in 24 minutes
If I have a 45kg chocolate bar and one person eats a fifth while another person eats a sixth, how many kilos of chocolate do I have remaining.
45kg - (1/5 x 45) -(1/6 x 45)
= 45 - 9 -7.5
=28.5 kgs left
Round the following # to 2 dp
399.9999
400.00
In 2023 a farm had 1200 chickens. In 2024 there were only 400 due to the avian bird flu. Some chickens escape the farm and the new population is reduced a further 20%. Express the final population size as a % of the amount in 2023 (1 dp)
400 - (0.2*400) = 320
320/1200 x 100 = 26.66...
=26.7
If $88.45 is shared in a 1:7 ratio between two people, how much more does one person receive? (2 d.p)
1+7 = 8
(88.45 x 7/8) - (88.45 x 1/8) =
66.375 = 66.38
If I make $110 for 5 hours of work, how much will I make in only 2 hours?
$110 * 2/5
= $44