Standardized Achievement Mathematics Flashcards

A store sells a jacket for $84, which is 40% more than its cost. What is the cost of the jacket?

Answer: $60.00

If cost = x, then x × 1.4 = 84, so x = 84 ÷ 1.4 = $60.00.

What is the value of 3² + 4²?

Answer: 25

3² = 9 and 4² = 16, so 9 + 16 = 25.

A recipe calls for 2½ cups of flour for 24 cookies. How many cups are needed for 36 cookies?

Answer: 3¾ cups

36 ÷ 24 = 1.5, so 2.5 × 1.5 = 3.75 = 3¾ cups.

Which of the following is equivalent to 0.008?

Answer: 8/1000

0.008 is 8 thousandths, written as 8/1000.

A line has the equation y = 2x − 5. What is the y-intercept?

Answer: −5

In slope-intercept form y = mx + b, the y-intercept b = −5.

If the area of a square is 144 cm², what is its perimeter?

Answer: 48 cm

Side = √144 = 12 cm; perimeter = 4 × 12 = 48 cm.

What is the median of the data set: 7, 3, 9, 1, 5, 11, 3?

Answer: 5

Ordered: 1, 3, 3, 5, 7, 9, 11 — the middle (4th) value is 5.