NCDAP Arithmetic 3

Question 1

What is 15% of 240?

Accepted Answer

36

Answer

0.15 × 240 = 36.

Question 2

Order from least to greatest: 0.6, 2/3, 5/8, 0.65

Accepted Answer

0.6, 5/8, 0.65, 2/3

Answer

Converting: 0.6, 0.625, 0.65, 0.667 — so the order is 0.6, 5/8, 0.65, 2/3.

Question 3

A jacket originally costs $85. It is on sale for 20% off. What is the sale price?

Accepted Answer

$68.00

Answer

20% of $85 = $17; $85 − $17 = $68.

Question 4

What is the value of 2³ × 3²?

Accepted Answer

72

Answer

2³ = 8 and 3² = 9; 8 × 9 = 72.

Question 5

A recipe calls for 2¼ cups of flour. If you want to make 1.5 times the recipe, how much flour do you need?

Accepted Answer

3⅜ cups

Answer

2.25 × 1.5 = 3.375 = 3⅜ cups.

(NCDAP) North Carolina Diagnostic Placement Test Practice Test