Quarter 1_1st Formative

The value of n is a distance of 2 units from -1 on a number line. Which numbers could be the value of n?

• -3

• -2

• -1

• 0

• 1

Amman is adding -17 + 9. He wants to write -17 as the sum of two numbers so that one of the numbers, when added to 9, will equal 0. How should Amman write -17 to complete this problem?

Write integers in the blanks to show how Amman will solve this problem.

-17 + 9 = ___ + ___ + 9

(Write the two answers separated by a comma without any spaces.)

The temperature is -3°C at sunrise. By noon, the temperature changes by 5°C. What could be the temperature at noon?

The number line shows temperature in °C. Draw arrows to find all the possible noon temperatures. Plot points at the final temperature(s).

Which situations can be represented by the expression -75 + 75? Choose all that apply.

• Last night Sarah read 75 fewer pages than the night before. She reads 75 pages

• A diver is 75 feet below the surface of the water and then comes up to the surface.

• Peter adds 75 milliliters of water to a test tube containing 75 milliliters.

• Amber owed the company $75 and she pays them $75.

Decide if the statement is true for all values of x.

If the distance from 0 to x on a number line is equal to 2, then -2 + x = 0

• Yes

• No

Decide if the statement is true for all values of x.

If the distance from 0 to x on a number line is less than 2, then -2 + x is negative.

• Yes

• No

Decide if the statement is true for all values of x.

If the distance from 0 to x on a number line is greater than 2, then -2 + x is positive.

• Yes

• No

Decide if the statement is true for all values of x.

If the distance from 0 to x on a number line is greater than 0, then -2 + x is positive.

• Yes

• No