12.17 Units of mass
Choose the most appropriate unit of measure for the following:
- Grams
- Kilograms
- Tonnes
- Milligrams
Cup of flour
Grain of sand
Box of 50 oranges
Biscuit
Car
Pencil case
Your weight
Aeroplane
Convert the following to milligrams (\text{mg}):
Convert the following to grams (\text{g}):
Convert the following to the indicated units:
6.251 \text{ kg} to grams
12 \text{ kg} into grams
946\text{ g} to kilograms
11 \text{ t} into kilograms
3000\text{ g} into kilograms
5 \text{ t} into kilograms
9.272 \text{ t} to kilograms
0.493\text{ t} to kilograms
1000 \text{ kg} into tonnes
8500\text{ kg} to tonnes
Convert the following to the indicated units:
7.538 \text{ kg} to milligrams
0.75 \text{ t} into grams
0.054 \text{ kg} to milligrams
11\,540\,000 \text{ g} into tonnes
State a reasonable estimate for the mass of each of the following:
Goat
Cat
50 dollar bill
Can of soup
Standard die
Newborn baby
Cherry
Black rhinoceros
The container shown has 4\text{ mg} of jelly in it. Estimate the weight of the container when it is full.
The container shown has 12\text{ mg} of water in it. Estimate the weight of the container when it is full.
The container shown has 9\text{ kg} of liquid in it. Estimate the weight of the container when it is full.
The container shown has 12\text{ g} of water in it. Estimate the weight of the container when it is full.
The container shown has 15 \text{ g} of liquid in it. Estimate the weight of the container if it was full.
The container shown has 1\text{ g} of jelly in it. Estimate the weight of the container when it is full.
An elephant has a mass of 5000 \text{ kg}:
Elephant
Rhinoceros
Use the diagram to estimate the mass of a rhinoceros.
A tablet has a mass of 640 grams:
Use the diagram to estimate the mass of a laptop.
Adam’s toy truck has a mass of 200 \text{ g}. Find the weight of the toy truck in milligrams.
Valerie has fruit everyday for dinner. Today she consumed 45 cherries, which weighed a total of 180 \text{ g}. How many milligrams did the average cherry weigh?
Rewrite 2468\text{ g} in terms of the number of whole kilograms (\text{kg}) and grams (\text{g}) left over.
Jordan's bag weighs \dfrac{1}{2} of a kilogram. How many grams does the bag weigh?
Find the total mass of 12 cans of soup, in kilograms, if each has a mass of 350\text{ g}.
The cost of mining gold for a mining company is \$840 per gram. How much will it cost the company to mine 0.2\text{ kg} of gold?
Justin is weighing himself and his dog at the same time. Their combined mass is 70 \text{ kg}. Justin knows that he weighs 32 \text{ kg}, so what must his dog weigh?
Mohamad's trampoline can hold a maximum of 90\text{ kg} of mass. If Mohamad has some friends over and they each weigh 30 \text{ kg}, how many of them can use the trampoline at once?
At a sporting match, the coach has 10 oranges in a container to give out to the team members at half-time. The container of oranges weighs 800 \text{ g}. How much does each orange weigh?
If 11 apples have a total mass of 3.19 \text{ kg}, find the average mass of those apples in grams.
A truck is transporting 8 horses. Each horse in the truck weighs 800 \text{ kg}.
How much do all the horses in the truck weigh altogether?
If the truck weighed 4000 \text{ kg} before the horses were loaded into it, how many kilograms does the loaded truck weigh now?
James buys a 4000 \text{ g} box of washing powder. If he uses 2.3 \text{ kg} of the washing powder, how many grams of powder is left in the box?
Christa buys a 8 \text{ kg} bag of rice. If she uses 2800 \text{ g}, how many kilograms of rice is left?
Passengers have a limit of 20 \text{ kg} of luggage on a plane. If James's bag was over the weight limit by 1800 \text{ g}, how much does his bag weigh in kilograms?
If each carrot has a mass of 70\text{ g} and each lemon has a mass of 60 \text{ g}, how many kilograms would 6 carrots and 9 lemons weigh altogether?
If a truck can carry 720 \text{ kg} of soil in one load, how many loads does it need to take in order to empty a field of 23.04 \text{ t} of soil?
The nutritional information on a brand of corn chips states that there is 6 \text{ mg} of sodium in every 100 \text{ g} of corn chips. How many grams of sodium would there be in 10 packets of corn chips if each packet weighs 230 \text{ g}?
If 25 bags of flour have a mass of 2 \text{ kg}, find the mass of 5 bags, in grams.