Grade 6 Maths Olympiad- 2025

Front

What is subtraction?

Back

Subtraction is the mathematical operation of finding the difference between two numbers. It is represented by the minus sign (-). For example, in the equation 10 - 3 = 7, 3 is subtracted from 10.

Front

How do you calculate the remaining amount after spending?

Back

To find the remaining amount after spending, subtract the amount spent from the total amount you had. For example, if you have R20 and spend R13.65, the remaining amount is R20 - R13.65 = R6.35.

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter (P) of a rectangle can be calculated using the formula P = 2(length + breadth).

Front

How do you find the breadth of a rectangle if you know the length and perimeter?

Back

To find the breadth, rearrange the perimeter formula: breadth = (perimeter/2) - length.

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. It is denoted by the symbol (×). For example, 4 × 3 means adding 4 three times: 4 + 4 + 4 = 12.

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. The acronym PEMDAS is often used: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the value of 80 x 10 x 10?

Back

80 x 10 x 10 = 8000. This is calculated by first multiplying 80 by 10 to get 800, and then multiplying 800 by 10 to get 8000.

Front

What is addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total. It is represented by the plus sign (+). For example, 5 + 3 = 8.

Front

How do you solve an expression with parentheses?

Back

To solve an expression with parentheses, first calculate the value inside the parentheses, then proceed with the rest of the operations according to the order of operations.

Front

What is the weight comparison between grams and kilograms?

Back

1 kilogram (kg) is equal to 1000 grams (g). Therefore, 3 kg is heavier than 320 g.