Log inSign up for FREE
Library

IM: 6.7.5: Using Negative Numbers to Make Sense of Contexts (Practice)

Last updated 9 months ago
19 questions
Write a positive or negative number to represent each change in the high temperature.
1

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

1

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

1

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

1

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

Decide which of the following quantities can be represented by a positive number and which can be represented by a negative number. Give an example of a quantity with the opposite sign in the same situation.
1

Tyler’s puppy gained 5 pounds.

1

The aquarium leaked 2 gallons of water.

1

Andre received a gift of $10.

1

Kiran gave a gift of $10.

1

A climber descended 550 feet.

1

Make up a situation where a quantity is changing.
  1. Explain what it means to have a negative change.
  2. Explain what it means to have a positive change.
  3. Give an example of each.

Refer to the number line.
1

On the number line, label the points that are 4 units away from 0.

1

If you fold the number line so that a vertical crease goes through 0, the points you label would match up. Explain why this happens.

1

On the number line, label the points that are \frac{5}{2} units from 0. What is the distance between these points?

Evaluate each expression.
1

2^{3} \sdot 3

1

\frac{4^2}{2}

1

3^1

1

6^2 \div 4

1

2^{3} - 2

1

10^{2} + 5^{2}