i-Ready Diagnostic Test Diagnostic Number and Operations 4

Question 1

A jacket costs $80. It 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 set of numbers is ordered from least to greatest?

Accepted Answer

−5, −2, 0, 3

Answer

On a number line, −5 < −2 < 0 < 3.

Question 3

What is 4/5 ÷ 2/3?

Accepted Answer

6/5

Answer

4/5 ÷ 2/3 = 4/5 × 3/2 = 12/10 = 6/5.

Question 4

Which number has a 7 in the hundredths place?

Accepted Answer

3.47

Answer

In 3.47, the digit 7 is in the hundredths place (two places to the right of the decimal).

Question 5

A car travels 55 miles per hour. How far does it travel in 3½ hours?

Accepted Answer

192.5 miles

Answer

55 × 3.5 = 192.5 miles.

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