What is the 24 challenge?
The 24 Challenge® is a tournament-style competition organized around the 24® Game. Millions of students in more than 20 countries have participated since 1988. Over a period of months preceding the event, teachers use the 24® Game in their classrooms to help students hone their mathematics skills.
How do you play Math 24?
Object of the game: Make the number 24 from the four numbers shown. You can add, subtract, multiply and divide. Use all four numbers on the card, but use each number only once. You do not have to use all four operations.
What two numbers make 18?
Factors of 18: Testing the integer values 1 through 4 for division into 18 with a 0 remainder we get these factor pairs: (1 and 18), (2 and 9), (3 and 6). The factors of 18 are 1, 2, 3, 6, 9, 18.
What can I multiply to get 27?
27 = 1 x 27, or 3 x 9. Factors of 27: 1, 3, 9, 27. Prime factorization: 27 = 3 x 3 x 3, which can also be written 27 = 3³. When 27 is a clue in the FIND THE FACTORS puzzles, the factors are always 3 and 9.
What can make 42?
42 = 1 x 42, 2 x 21, 3 x 14, or 6 x 7. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42.
What are the four factors pairs of 42?
Therefore, the factors of 42 in pairs are (1, 42), (2, 21), (3, 14) and (6, 7).
What is the GCF of 18 and 42?
We found the factors and prime factorization of 18 and 42. The biggest common factor number is the GCF number. So the greatest common factor 18 and 42 is 6.
What is the GCF of 77 and 121?
The Greatest Common Factor (GCF) for 77 and 121, notation CGF(77,121), is 11.
What is the GCF of 23 and 115?
The Greatest Common Factor (GCF) for 23 and 115, notation CGF(23,115), is 23.
What is the GCF of 80 and 110?
10
What is the GCF of 80 16 and 96?
What is the Greatest Common Factor of 80 and 96? Greatest common factor (GCF) of 80 and 96 is 16.
What is the GCF of 24 and 36 and 18?
Consider the numbers 18, 24, and 36. Their common factors are 1, 2, 3, and 6. Their greatest common factor is 6.