Gr. 5 Q1 Math CSA Review

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

How do you calculate the range of a set of numbers?

Back

The range is calculated by subtracting the smallest number in the set from the largest number.

Front

What is the range of the following set of numbers: 10, 15, 20, 25, 30?

Back

The range is 30 - 10 = 20.

Front

What is the greatest common divisor (GCD)?

Back

The GCD is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you find the GCD of 12 and 15?

Back

The GCD of 12 and 15 is 3.

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

Simplify the expression: 2 + 3 × 4.

Back

The answer is 14, following the order of operations.

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a numerator (top number) over a denominator (bottom number).

Front

How do you divide a number into equal parts?

Back

To divide a number into equal parts, you can use division to find out how many parts there are and how much each part is.