Worksheet: Converting and Comparing Mass: Metric Units

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In this worksheet, we will practice how to convert, compare, and order mass units in the metric system, like milligrams, grams, and kilograms and apply this skill to solve real-world problems using fractions and decimals.

Q1:

To convert from kilograms to milligrams, first multiply by to convert to grams, then multiply by to convert to milligrams.

  • A100, 100
  • B10, 1000
  • C 1 0 0 0 , 100
  • D 1 0 0 0 , 1 0 0 0
  • E100, 1000

Q2:

Write in grams: 62 kg.

Q3:

Use <, =, or > to complete the following: 139,000kgg.

  • A <
  • B >
  • C =

Q4:

42,792 grams ≈ kilograms.

  • A 427,920
  • B42
  • C428
  • D43
  • E 4,279

Q5:

How many kilograms are there in 25,400 mg?

Q6:

To convert from milligrams to kilograms, first divide by to convert to grams and then divide by to convert to kilograms.

  • A100, 1000
  • B10, 100
  • C 1 0 0 0 , 100
  • D 1 0 0 0 , 1 0 0 0
  • E100, 100

Q7:

How many grams are in 12 kilograms?

Q8:

Write in kilograms: 43,000 g.

Q9:

9,188 grams = kilograms.

Q10:

Use <, =, or > to fill in the blank: 6969,100.kilogramsgrams

  • A >
  • B =
  • C <

Q11:

Liam weighs 76 kilograms. Express his weight in grams.

Q12:

James and Mason are calculating how many kilograms there are in 60,000 grams. James thinks the result is 60 kilograms, and Mason thinks it is 600 kilograms. Who is correct?

  • AJames
  • BMason

Q13:

Write in grams: 3.45 kg.

Q14:

Write the answer in kilograms: 234+500.kilogramsgrams

Q15:

Write the answer to the calculation in grams: 334−640.kgg

Q16:

Write in ascending order: 8,650,7,550,10.gramskilogramsgramskilograms

  • A 5 5 0 , 1 0 , 8 , 6 5 0 , 7 g r a m s k i l o g r a m s g r a m s k i l o g r a m s
  • B 8 , 6 5 0 , 5 5 0 , 7 , 1 0 g r a m s g r a m s k i l o g r a m s k i l o g r a m s
  • C 1 0 , 8 , 6 5 0 , 7 , 5 5 0 k i l o g r a m s g r a m s k i l o g r a m s g r a m s
  • D 5 5 0 , 7 , 8 , 6 5 0 , 1 0 g r a m s k i l o g r a m s g r a m s k i l o g r a m s

Q17:

Fill in the blanks: 10.37=gmg.

Q18:

How many grams are there in 4,959 mg?

Q19:

Fill in the blanks: 746.8=mgg.

Q20:

Complete the following: 75.9=kgg.

Q21:

Order these measurements from greatest to least: 0.64,839.3,100,000.kggmg

  • A 0.64 kg, 839.3 g, 100,000 mg
  • B 839.3 g, 0.64 kg, 100,000 mg
  • C 100,000 mg, 839.3 g, 0.64 kg
  • D 0.64 kg, 100,000 mg, 839.3 g

Q22:

Fill the blank: to convert from to centigrams, multiply by 100.

  • A milligrams
  • B kilograms
  • C micrograms
  • D meters
  • E grams

Q23:

Daniel bought 6 and three quarter kilograms of grapes and 4 kilograms of mangoes. How many grams of food did he buy?

Q24:

Noah bought 2 and one quarter kilograms of carrots and 4 and one quarter kilograms of apples. How many grams of food did he buy?

Q25:

Charlotte bakes loaves of bread that have a mass of about 2,909 milligrams. Express the mass in grams.

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