Mass
Choose the Unit
Word Problems
Using the Triple Beam Balance
100
60 kg = ? g
What is 60,000g?
100

The metric unit would you use to measure the mass of a rubber band.

What is a milligram?

100

Last weekend, we carried 10 books to the car from school. Each book had a mass of 1,000 g.  What is the total mass of the books?  

What is 5,000g? OR What is 5 kg?

100
Calibrate the balance by making sure the pointer is on the same level as the white line.
What is Step 1.
200
9,000 g = ? kg
What is 9 kg?
200
The metric unit to find the mass of a pencil.

What is a gram?

200
The amount of matter in an object. 

What is mass?

200

Move all the riders to zero.

What is Step 2.
300
250,000 g = ? kg
What is 250 kg?
300

The unit used to measure the mass of a bottle of water.

What is a kilogram.

300

 Billy’s mass is 54 kg. Jamie’s mass is 55kg. What is their total mass? 

What 109kg.

300
Place the object on the pan. 

What is Step 3.

400
20,000 g =? mg
What is 20,000,000 mg?
400

The metric unit used to measure the mass of a dog.

What is a kilogram?

400

Find the amount of grams in 105 kg.

What is 105,000g?

400

Move the riders starting with the 100's, then the 10's, and lastly, the 1's until the pointer is lined up with the white line. 

What is Step 4. 
500
7 kg = ? mg
What is 7,000,000 mg?
500

What unit should be used to measure the mass of the water in an inground pool? 

What is a kilogram?

500

We put the magazine on the triple beam balance.  The rider for the 100's place didn't need to be moved. The rider for the 10's place was stopped at 3. The rider for the 1's place was stopped at 5.  What is the total mass of the magazine?  

What is 30+5=35g? 

500

After the object is balanced, add the numbers that each rider is pointing to starting with the 100's, then the 10's, and lastly, the 1's to find the total mass of the object. 

What is Step 5.

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