i-Ready Diagnostic Test Diagnostic Number and Operations 2 — Questions and Answers
Question 1: A store has 1,248 items in stock. After a sale, 376 items are sold. How many items remain?
- 862
- 872 (Correct answer)
- 972
- 772
Correct answer: 872
1,248 − 376 = 872 items remain.
Question 2: Which fraction is equivalent to 0.75?
- 1/4
- 3/5
- 3/4 (Correct answer)
- 7/5
Correct answer: 3/4
0.75 = 75/100, which simplifies to 3/4.
Question 3: What is the value of 6³?
- 18
- 36
- 216 (Correct answer)
- 186
Correct answer: 216
6³ = 6 × 6 × 6 = 216.
Question 4: On a number line, which value is between −3 and −1?
- −4
- 0
- −2 (Correct answer)
- 1
Correct answer: −2
−2 is between −3 and −1 on the number line.
Question 5: A recipe calls for 2¾ cups of flour. If you double the recipe, how many cups are needed?
- 4½
- 5
- 5½ (Correct answer)
- 4¾
Correct answer: 5½
2¾ × 2 = 5½ cups.
Question 6: What is the least common multiple (LCM) of 4 and 6?
- 2
- 12 (Correct answer)
- 24
- 8
Correct answer: 12
The LCM of 4 and 6 is 12 because 12 is the smallest number both 4 and 6 divide evenly into.
Question 7: Which number is a prime number?
- 15
- 21
- 37 (Correct answer)
- 49
Correct answer: 37
37 is prime because its only factors are 1 and 37.
i-Ready Diagnostic Test Diagnostic Number and Operations 2
A store has 1,248 items in stock.
After a sale, 376 items are sold.
How many items remain?