West B Test Math: Number Sense and Operations 4

Question 1

A jacket originally costs $80 and is on sale for 25% off. What is the sale price?

Accepted Answer

$60

Answer

25% of $80 = $20 discount; $80 − $20 = $60.

Question 2

Which of the following correctly compares the numbers: −5 ___ −3?

Accepted Answer

<

Answer

On the number line, −5 is further left than −3, so −5 < −3.

Question 3

What is the result of (−6) × (−4)?

Accepted Answer

24

Answer

The product of two negative numbers is positive: (−6) × (−4) = 24.

Question 4

Which fraction is in simplest form?

Accepted Answer

5/11

Answer

5 and 11 share no common factors other than 1, so 5/11 is already in simplest form.

Question 5

What is 0.045 written as a percent?

Accepted Answer

4.5%

Answer

Multiply a decimal by 100 to convert to percent: 0.045 × 100 = 4.5%.

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