Game: FOUR IN A ROW
Aim: To get four symbols in a row
Method:
Choose a square and click on it. Click on the correct answer to the question in the box that appears. If you are right the square is replaced by a tick. Continue until you have won 4 in a row...
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"Which fraction is biggest"
4 IN A ROW game to practice
'HCF using product notation' for 8th grade
8th grade / Number / Multiples Factors Primes / Factors / HCF using product notation
Find the highest common factor (HCF) of pairs of numbers using prime factorization and product notation
The highest common factor (HCF) of two numbers is the largest factor that is common to both numbers. It is also known as the Greatest Common Factor (GCF).
Product notation is a way of representing a number as a product of its prime factors. For example, the prime factorization of 24 can be written as 2³ × 3¹. To find the HCF of two or more numbers using product notation, you need to follow these steps:
- Write the prime factorization of each number using product notation.
- Identify the common factors of the two numbers
- Take the lower power of each factor that appears in both of the factorizations.
- Multiply the common factors together to get the HCF.
Example 1: Find the HCF of 18 and 24.
The prime factorization of 18 is:18 = 2¹ x 3²
The prime factorization of 24 is:24 = 2³ x 3¹
To find the HCF of 18 and 24, we take the lowest power of each prime factor that appears in both factorizations:
HCF(18,24) = 2¹ × 3¹ = 6
Example 2: Find the HCF of 16 and 28.
The prime factorization of 16 is:16 = 2⁴
The prime factorization of 28 is:28 = 2² x 7¹
To find the HCF of 16 and 28, we take the lower power of each prime factor that appears in both factorizations:
HCF(16,28) = 2² = 4
In this topic you are asked to find the highest common factor of pairs of numbers presenting your answers in product notation.
With our Four in a row math game you will be practicing the topic "HCF using product notation" from 8th grade / Number / Multiples Factors Primes / Multiples Factors Primes. The math in this game consists of 16 questions that ask you to identify the Highest Common Factor (HCF) using product notation for the given pairs of numbers.
The game will reinforce the math you have chosen to learn by getting you to match the question to the correct answer.
Notes
- Do the Math lessons for your topic before playing this game
- Wrong answers are ok, you just have to try again until you get them right
- There is help available for all games by clicking the question mark button
UXO * Duck shoot * The frog flies * Pong * Cat and mouse * The beetle and the bee
Rock fall * Four in a row * Sow grow * Choose or lose * Mix and match
How to play 4 in a row to practice
'HCF using product notation' for 8th grade
- Select "4 in a row" on the math games selection page.
- Take a quick look at the method text for 4 in a row.
- Click on PLAY to proceed, or change your topic with the CHANGE TOPIC button.
- On the play page you have a grid of 16 pictures (some topic picture are shown multiple times for shorter topics).
- Click on a picture cell.
- The topic question will appear along with a series of possible answers.
- Click the speaker icon to hear any particular answer (Speech enabled browsers only).
- Click the answer that corresponds to the picture question.
- If you are correct, the picture will be replaced by a tick - otherwise, a wrong sound will play.
- Continue matching picture questions to their correct answers until you have completed a line of 4 cells.
- The line can be diagonal as well as horizontal or vertical.
- 4 ticks in a row wins the game.
- Choose an option from the green sign, or click on games to choose a different game.
