Balancing Scales Quiz

What must be done to keep a scale balanced?

• Place more weight on the left pan

• Place more weight on the right pan

• Place the same amount of weight on both the left and right pan

• Remove all weight from both pans

If you remove items from one pan of a scale, what must you do to maintain balance?

• Add the same amount to the other pan

• Remove the same amount from the other pan

• Do nothing to the other pan

• Add more weight to the same pan you removed items from

What must be done to both sides of an equation to keep it balanced?

• Only add the same number to both sides

• Do different operations on each side

• Whatever is done to one side must also be done to the other side

• Only multiply the same number to both sides

What happens to the balance if 3 is taken away from the left pan?

• The left pan becomes lighter and the right pan becomes heavier.

• The left pan becomes heavier and the right pan becomes lighter.

• Both pans remain equally balanced.

• The balance tips to the left.

Are the left and right side values the same on the scale?

• Yes, they are the same.

• No, the left side is heavier.

• No, the right side is heavier.

• Cannot be determined from the image.

What could be done to make the right side of the scale the same as the left?

• Add more weight to the right side.

• Remove some weight from the left side.

• Add more weight to the left side.

• Remove some weight from the right side.

What should be done to make the right side of the scale the same as the left side?

• Add 3 to the right side

• Take 3 away from the right side

• Take 3 away from the left side

• Add 3 to the left side

What is the value of the right side pan if the scale is balanced?

• x + 3

• 7

• x

• 10

If the scale is balanced, what must the value of x be?

• 4

• 7

• 10

• 3

If a number plus three is equal to 7, what is the missing number?

• 3

• 4

• 10

• 5