Elementary Education: Math Content Knowledge Flashcards
7 cards from real PRAXIS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Elementary Education: Math Content Knowledge flashcards as text
What is 25% of 80?
Answer: 20
25% of 80 = 0.25 × 80 = 20.
Which property is shown by 5 × (3 + 2) = (5 × 3) + (5 × 2)?
Answer: Distributive
Multiplication distributed over addition is the distributive property.
What is the area of a triangle with base 10 cm and height 6 cm?
Answer: 30 cm²
Area = ½ × base × height = ½ × 10 × 6 = 30 cm².
What is the next term in the sequence 2, 6, 18, 54, ...?
Answer: 162
Each term is multiplied by 3, so 54 × 3 = 162.
How many edges does a cube have?
Answer: 12
A cube has 12 edges, 6 faces, and 8 vertices.
If x + 7 = 15, what is the value of x?
Answer: 8
Subtracting 7 from both sides gives x = 8.
What is 0.4 written as a percent?
Answer: 40%
Multiply 0.4 by 100 to get 40%.