Math and Science Questions

Which number is even?

• 5

• 10

• 15

Answer explanation

An even number is divisible by 2 without a remainder. Among the choices, 10 is even (10 ÷ 2 = 5), while 5 and 15 are odd. Therefore, the correct answer is 10.

Which number is odd?

• 18

• 22

• 27

Answer explanation

Among the numbers given, 18 and 22 are even, while 27 is odd. Therefore, the correct answer is 27.

A chocolate bar is divided into 6 equal pieces. If you eat 3 pieces, what fraction of the chocolate did you eat?

• 3/6

• 4/6

• 5/6

Answer explanation

You have a chocolate bar divided into 6 equal pieces. Eating 3 pieces means you consumed 3 out of the 6 pieces, which is represented as the fraction 3/6. Therefore, the correct answer is 3/6.

Which fraction is equal to 1?

• 8/9

• 5/5

• 6/8

Answer explanation

The fraction 5/5 equals 1 because the numerator and denominator are the same. The other options, 8/9 and 6/8, do not equal 1 as their numerators are less than their denominators.

Which fraction is greater than 1?

• 7/6

• 5/6

• 3/4

Answer explanation

The fraction 7/6 is greater than 1 because its numerator (7) is larger than its denominator (6). In contrast, 5/6 and 3/4 are both less than 1.

Which fraction is the smallest?

• 2/4

• 1/4

• 3/4

Answer explanation

To compare the fractions, convert them to a common denominator or compare their decimal values. 1/4 equals 0.25, while 2/4 equals 0.5 and 3/4 equals 0.75. Thus, 1/4 is the smallest fraction.

Which fraction is the largest?

• 2/3

• 3/3

• 1/3

Answer explanation

To compare the fractions, note that 3/3 equals 1, while 2/3 is less than 1 and 1/3 is even smaller. Therefore, 3/3 is the largest fraction among the choices.

Which fraction is equal to ½?

• 3/6

• 1/3

• 5/6

Answer explanation

To find a fraction equal to ½, we can simplify 3/6. Dividing both the numerator and denominator by 3 gives us 1/2, confirming that 3/6 is equal to ½. The other options do not equal ½.

What is 5 + 3?

• 6

• 7

• 8

Answer explanation

To find the sum of 5 and 3, simply add the two numbers together: 5 + 3 = 8. Therefore, the correct answer is 8.

What is 10 - 4?

• 5

• 6

• 7

Answer explanation

To solve 10 - 4, subtract 4 from 10. The result is 6, which is the correct answer. The other options, 5 and 7, are incorrect.