Numbers and Fractions

1. What is 2/5 + 1/5?

• A. 1/5
• B. 2/5
• C. 3/5 ✓
• D. 4/5

💡 2/5 + 1/5 = 3/5. When denominators are the same, just add the numerators.

2. Which is the largest number?

• A. 0.5
• B. 1/2
• C. 45%
• D. 0.6 ✓

💡 0.6 = 60%, which is greater than 0.5 = 50% = 1/2 = 45%. So 0.6 is the largest.

3. What is half of 64?

• A. 28
• B. 30
• C. 32 ✓
• D. 34

💡 Half of 64 is 32. 64 ÷ 2 = 32.

4. What is the square root of 49?

• A. 6
• B. 7 ✓
• C. 8
• D. 9

💡 √49 = 7 because 7 × 7 = 49.

5. What is 0.25 as a fraction?

• A. 1/2
• B. 1/3
• C. 1/4 ✓
• D. 1/5

💡 0.25 = 25/100 = 1/4. Twenty-five hundredths simplifies to one quarter.

6. What is 1/4 of 100?

• A. 20
• B. 25 ✓
• C. 30
• D. 40

💡 One quarter of 100 is 25. 100 ÷ 4 = 25.

7. How many even numbers are between 1 and 10?

• A. 4
• B. 5 ✓
• C. 6
• D. 7

💡 Even numbers between 1 and 10 are: 2, 4, 6, 8, 10 — that is 5 even numbers.

8. What is 10% of 250?

• A. 20
• B. 25 ✓
• C. 30
• D. 35

💡 10% of 250 = 250 ÷ 10 = 25.

9. What is the next prime number after 7?

• A. 8
• B. 9
• C. 10
• D. 11 ✓

💡 11 is the next prime number after 7. A prime number is only divisible by 1 and itself.

10. What is 3/4 as a percentage?

• A. 65%
• B. 70%
• C. 75% ✓
• D. 80%

💡 3 divided by 4 = 0.75, which equals 75%.