i-Ready Diagnostic Test Diagnostic Number and Operations 3

Question 1

What is 15% of 200?

Accepted Answer

30

Answer

20

Answer

25

Answer

35

Question 2

If a bag contains 3 red, 5 blue, and 2 green marbles, what fraction of the marbles are blue?

Accepted Answer

1/2

Answer

3/10

Answer

5/10

Answer

5/8

Question 3

Which expression represents 'the product of 8 and a number n, decreased by 3'?

Accepted Answer

8n − 3

Answer

8 + n − 3

Answer

8(n − 3)

Answer

3 − 8n

Question 4

A number is divisible by both 3 and 4. Which of these could be that number?

Accepted Answer

24

Answer

14

Answer

18

Answer

30

Question 5

What is −8 + 5?

Accepted Answer

−3

Answer

3

Answer

−13

Answer

13

Question 6

In scientific notation, 45,000 is written as:

Accepted Answer

4.5 × 10⁴

Answer

45 × 10³

Answer

4.5 × 10³

Answer

0.45 × 10⁵

Question 7

What is the value of √144?

Accepted Answer

12

Answer

11

Answer

13

Answer

14