Would you measure the mass of a paperclip in grams or kilograms? Why?
Grams because a paperclip is very light.
2000 grams =____kilograms
2 kg
Order from largest to smallest
A tennis ball has a mass of 5 g or 50 kg?
5 g
Name something that is less than 1 kg.
Hint: a pineapple is 1 kg
Teachers Choice
Would you measure the mass of a large dog in grams or in kilograms? Why?
6 kg = _____g
6000 g

Put these in order from lightest to heaviest.
paper clips, pencil case, shoe, stapler, backpack, balance
An iPad has a mass of 1000 g or 1 kg?
Either. It is the same measurement.
Name something that is 2 kg.
Hint: a box of crayons is 2 kg
Teacher's choice.
Can you use grams to measure the weight of a cat? Why?
Yes, but you would need a lot of grams.
5 kg = _______g
5000 g
Feather Chair
Nickel Glass jar
chair, glass jar, nickel and feather
A couch has a mass of 200 kg or 19 g?
200 kg
A stapler's mass is 650 g or 7 kg?
650 g
Can you use kg to measure a paperclip?
No, because the unit of measurement is for heavier items.
9000 grams=_____kg
9 kg
Put the following items in order from heaviest to lightest.
apple t.v. paperclip
tv, apple, paperclip
An elephant weighs 1900 grams or 6000 kg?
6000 kg
A baby weighs 3100 g. Name an item that you can add together that will equal 3000 g.
Hint: 3000 g = 3 kg
Teacher's choice
ex. 3 pineapples= 1 kg +1 kg +1 kg
Why do you need to use grams or kilograms as a unit of measurement?
You need to use units of measurement because everyone has different ideas about what is heavy and light.
Anna measured the mass of a box of books to be 7 kg.
Suppose she wants to know the mass in grams.
How will the mass in grams compare to the mass in kilograms?
7 kg = 7000 g because 1000 g is equal to 1 kg. Grams is a smaller unit of measurement.
Put the following in order from lightest to heaviest.
baby car elephant
baby, car, elephant
A cat has a mass of 4 kg or 1 g?
4 kg
A dog has a mass of 7 kg. Name an item that can be added together to weigh the same amount.
Hint: 7 kg = 7000 g
Teachers choice
ex. 7 pineapples- 1 equals 1 kg