DLM Math Concepts 3 — Questions and Answers
Question 1: What is the next number in the pattern: 5, 10, 15, 20, ___?
- 22
- 24
- 25 (Correct answer)
- 30
Correct answer: 25
Each term increases by 5, so the next is 20 + 5 = 25.
Question 2: If a pizza is cut into 8 equal slices and 3 are eaten, what fraction remains?
- 3/8
- 5/8 (Correct answer)
- 3/5
- 8/5
Correct answer: 5/8
8 − 3 = 5 slices remain out of 8, giving 5/8.
Question 3: Which symbol correctly compares 302 and 320?
- 302 > 320
- 302 = 320
- 302 < 320 (Correct answer)
- 302 ≥ 320
Correct answer: 302 < 320
302 is less than 320 because 0 tens < 2 tens.
Question 4: A student earns $4 per hour babysitting. How much does she earn in 7 hours?
- $11
- $24
- $28 (Correct answer)
- $32
Correct answer: $28
4 × 7 = $28.
Question 5: How many lines of symmetry does a circle have?
- 0
- 1
- 4
- Infinitely many (Correct answer)
Correct answer: Infinitely many
A circle has infinitely many lines of symmetry because any diameter divides it equally.
Question 6: What is 3/4 of 20?
- 5
- 12
- 15 (Correct answer)
- 16
Correct answer: 15
3/4 × 20 = 15.
Question 7: A thermometer reads 68°F. Which best describes the temperature?
- Freezing
- Cool/comfortable (Correct answer)
- Very hot
- Boiling
Correct answer: Cool/comfortable
68°F is a mild, comfortable temperature, around room temperature.
DLM Math Concepts 3
What is the next number in the pattern: 5, 10, 15, 20, ___?