City and Guilds

Front

What are multiples?

Back

Multiples of a number are the results of multiplying that number by integers. For example, the multiples of 5 are 5, 10, 15, 20, 25, etc.

Front

How do you write the number 6015 in words?

Back

Six thousand and fifteen.

Front

What unit of measurement is most appropriate for measuring the length of a classroom?

Back

Metre is the most appropriate unit for measuring the length of a classroom.

Front

How is the number 895 written in words?

Back

Eight hundred and ninety-five.

Front

If Mr. Weir left work at 6pm and took 5 minutes to drive to a restaurant, how long did he take to get home after eating?

Back

He took a total of 40 minutes (5 minutes driving + 15 minutes eating + 20 minutes driving home). He got home at 6:40 pm.

Front

What is the definition of a prime number?

Back

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. For example, 2, 3, 5, and 7 are prime numbers.

Front

What is the difference between a whole number and an integer?

Back

Whole numbers are non-negative numbers (0, 1, 2, 3, ...), while integers include all whole numbers and their negative counterparts (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 0.25.

Front

What is the formula for calculating the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width (Area = length × width).

Front

What is the significance of the number zero in mathematics?

Back

Zero is a unique number that represents the absence of quantity. It is an integer and serves as the additive identity in mathematics.