OpenUp 6th Math 7.5 Practice Problems and Vocab

Write a positive or negative number to represent the change in the high temperature.

Tuesday’s high temperature was 4 degrees less than Monday’s high temperature.

• -4

• -3.5

• +6.5 or 6.5

• -2

Write a positive or negative number to represent the change in the high temperature.

Wednesday’s high temperature was 3.5 degrees less than Tuesday’s high temperature.

• -4

• -3.5

• +6.5 or 6.5

• -2

Write a positive or negative number to represent the change in the high temperature.

Thursday’s high temperature was 6.5 degrees more than Wednesday’s high temperature.

• -4

• -3.5

• +6.5 or 6.5

• -2

Write a positive or negative number to represent the change in the high temperature.

Friday’s high temperature was 2 degrees less than Thursday’s high temperature.

• -4

• -3.5

• +6.5 or 6.5

• -2

Decide if the following quantities can be represented by a positive number or a negative number.

Tyler’s puppy gained 5 pounds.

• positive

• negative

Decide if the following quantities can be represented by a positive number or a negative number.

The aquarium leaked 2 gallons of water.

• positive

• negative

Decide if the following quantities can be represented by a positive number or a negative number.

Andre received a gift of $10.

• positive

• negative

Decide if the following quantities can be represented by a positive number or a negative number.

Kiran gave a gift of $10.

• positive

• negative

Decide if the following quantities can be represented by a positive number or a negative number.

A climber descended 550 feet.

• positive

• negative

Give an example of a quantity with the opposite sign in the same situation.

Tyler’s puppy gained 5 pounds.

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