i-Ready Diagnostic Test Math Concepts and Applications 2 — Questions and Answers
Question 1: A rectangle has a length of 12 cm and a width of 7 cm. What is its area?
- 84 cm² (Correct answer)
- 38 cm²
- 76 cm²
- 96 cm²
Correct answer: 84 cm²
Area of a rectangle = length × width = 12 × 7 = 84 cm².
Question 2: Which fraction is equivalent to 0.75?
- 3/5
- 7/10
- 3/4 (Correct answer)
- 2/3
Correct answer: 3/4
0.75 = 75/100, which simplifies to 3/4.
Question 3: A store sells apples for $0.50 each. How much would 14 apples cost?
- $6.00
- $7.00 (Correct answer)
- $7.50
- $8.00
Correct answer: $7.00
14 × $0.50 = $7.00.
Question 4: What is the value of 3³ (3 to the third power)?
- 9
- 27 (Correct answer)
- 18
- 33
Correct answer: 27
3³ = 3 × 3 × 3 = 27.
Question 5: On a number line, which point is closest to zero: -8, 3, -2, or 6?
- -8
- 3
- -2 (Correct answer)
- 6
Correct answer: -2
-2 has an absolute value of 2, which is the smallest distance from zero.
Question 6: A triangle has angles measuring 45° and 65°. What is the measure of the third angle?
- 70° (Correct answer)
- 80°
- 90°
- 60°
Correct answer: 70°
The sum of angles in a triangle is 180°; 180 - 45 - 65 = 70°.
Question 7: Which number is a prime number?
- 27
- 33
- 37 (Correct answer)
- 49
Correct answer: 37
37 is prime because it has no factors other than 1 and itself.
A rectangle has a length of 12 cm and a width of 7 cm.
What is its area?