Math Flashcards
7 cards from real NWEA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Math flashcards as text
A rectangle has a length of 12 cm and a width of 7 cm. What is its area?
Answer: 84 cm²
Area of a rectangle = length × width = 12 × 7 = 84 cm².
Which of the following is equivalent to 3/4?
Answer: 0.75
3 ÷ 4 = 0.75, so 3/4 = 0.75.
If x + 9 = 21, what is the value of x?
Answer: 12
Subtract 9 from both sides: x = 21 − 9 = 12.
A store sells 6 apples for $1.50. How much do 10 apples cost?
Answer: $2.50
Unit price = $1.50 ÷ 6 = $0.25 each; 10 × $0.25 = $2.50.
What is the value of 5²?
Answer: 25
5² means 5 × 5 = 25.
Order these fractions from least to greatest: 1/2, 2/5, 3/4.
Answer: 2/5, 1/2, 3/4
Converting to decimals: 2/5=0.40, 1/2=0.50, 3/4=0.75, so 2/5 < 1/2 < 3/4.
A number is multiplied by 4 and then 6 is added. The result is 30. What is the original number?
Answer: 6
4n + 6 = 30 → 4n = 24 → n = 6.