Algebraic Thinking Flashcards
7 cards from real CAASPP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Algebraic Thinking flashcards as text
On a graph, a line passes through (0, 2) and (3, 8). What is the rate of change (slope)?
Answer: 2
Slope = (8 − 2) ÷ (3 − 0) = 6 ÷ 3 = 2.
If p represents pencils and p − 6 = 9, how many pencils are there?
Answer: 15
Adding 6 to both sides gives p = 15.
Which ordered pair is a solution to y = 3x − 1?
Answer: (2, 5)
When x = 2: y = 3(2) − 1 = 5, giving the pair (2, 5).
A car travels at a constant speed. After 2 hours it has gone 110 miles. Which equation gives the total distance d after t hours?
Answer: d = 55t
The speed is 110 ÷ 2 = 55 mph, so d = 55t.
Which expression has the same value as 2(3 + x) − 4?
Answer: 2x + 2
2(3 + x) − 4 = 6 + 2x − 4 = 2x + 2.
The output of a machine is always 3 less than twice the input. If the input is 10, what is the output?
Answer: 17
Output = 2(10) − 3 = 20 − 3 = 17.
Which graph best represents the equation y = x?
Answer: A diagonal line through the origin where x and y are equal
y = x means every point has equal x and y coordinates, forming a diagonal line through the origin.