Mathorio
Answer key
Metric Weight Units (g, kg)
Show your work for each problem.
- 1.How many grams are in kilogram?
- a)100
- b)10
- c)1000
- d)10000
Answer: 1000
kg g. The prefix 'kilo' always means .
- 2.Convert kg to grams.
Answer: 2000
kg g
- 3.Convert g to kilograms.
Answer: 5
g kg
- 4.Which object weighs about gram?
- a)A textbook
- b)A liter of water
- c)A paperclip
- d)A car
Answer: A paperclip
A paperclip weighs about gram. A liter of water weighs kg ( g), and textbooks and cars are much heavier.
- 5.A bag of apples weighs kg. How many grams is this?
Answer: 1500
- What is the conversion factor from kg to g? 1000
- Should you multiply or divide? multiply
- Calculate: 1500
- 6.A book weighs grams. Convert this to kilograms.
Answer: 0.75
- What is the conversion factor from g to kg? 1000
- Should you multiply or divide? divide
- Calculate: 0.75
- 7.Which is heavier: g or kg?
- a)Cannot compare
- b) kg
- c)They weigh the same
- d) g
Answer: g
kg g. Since , g is heavier than kg.
- 8.Convert kg to grams.
Answer: 2750
g
- 9.Convert g to kilograms.
Answer: 4.25
kg
- 10.A recipe needs kg of flour and g of sugar. What is the total weight in grams?
Answer: 1600
- Convert kg to grams: 1200
- Add the flour and sugar: 1600
- 11.You buy g of apples and kg of oranges. What is the total weight in kilograms?
Answer: 2.3
- Convert g to kg: 0.8
- Add the weights: 2.3
- 12.A medicine tablet contains mg. How many grams is this?
- a) g
- b) g
- c) g
- d) g
Answer: g
mg g. Remember: g mg.
- 13.A suitcase weighs kg. You add g of clothes and g of books. What is the total weight in kg?
Answer: 15.75
- Convert g to kg: 2.5
- Convert g to kg: 0.75
- Add all weights: 15.75
- 14.A bag of rice weighs kg. After cooking, you use g. How many grams of rice are left?
Answer: 3750
kg g. g remaining.
- 15.You take vitamin tablets daily, each containing mg. How many grams of vitamins do you take per week?
Answer: 7
- Daily mg: 1000
- Convert to grams: 1
- Weekly total: 7
- 16.Order from lightest to heaviest: kg, g, g
- a) g, kg, g
- b) g, g, kg
- c) g, kg, g
- d) kg, g, g
Answer: g, kg, g
kg g. In order: g g ( kg) g