Unit Test — Unit test Answers

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Which number line correctly shows 4.5 – 2.5?

A
A number line going from 0 to 4.5 in increments of 0.5. An arrow goes from 0 to 4.5 and then backwards from 4.5 to 2.
Option A
B
A number line going from negative 4.5 to 0 in increments of 0.5. An arrow goes from negative 4.5 to negative 2 and then backwards from 0 to negative 4.5.
Option B
C
A number line going from negative 2.5 to positive 4.5 in increments of 0.5. An arrow goes from negative 2.5 to 0 and also from 0 to 4.5.
Option C
D
A number line going from negative 4.5 to positive 2.5 in increments of 0.5. An arrow goes from 2.5 to 0 and from 0 to negative 4.5.
Option D
23

Which rule about the sign of the quotient of two decimals (either positive or negative) is correct?

A
positive divided by positive = negative
Option A
B
negative divided by negative = positive
Option B
C
positive divided by negative = positive
Option C
D
negative divided by positive = positive
Option D
24

What is the quotient?

Question illustration
A
–16
B
–1.6
C
1.6
D
16

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