Factors
What are the factors of 12?
1, 2, 3, 4, 6, 12
List the first five multiples of 7
7, 14, 21, 28, 35
Is 7 a prime or composite number?
Prime, it has no other factors other than 1 x 7
What is 7 x 8?
56
Han is playing a card game with friends. The number of cards never changes, but the number of players does. The cards can be divided equally between 5 players. Could there be 50 cards?
Yes, 50 is a multiple of 5, so the cards can be divided equally among 5 players.
Find the factor pairs of 24
(1 x 24), (2 x 12), (3 x 8), (4 x 6)
What are the multiples of 3 between 10 and 20?
12, 15, and 18
Identify a prime number between 20 and 30
23
Calculate 6 x 9
54
Mia is organizing her book collection. She wants to arrange her books in rows with 4 books in each row. If she has 28 books, how many rows will she need?
7 rows. 28 ÷ 4 books per row = 7 rows.
Is 9 a factor of 27?
Yes because 9 x 3 = 27
Is 25 a multiple of 5?
Yes because 5 x 5 = 25
Determine if 49 is a prime number
It is not prime, it is composite because 1 x 49 = 49 and 7 x 7 = 49
Solve 4 x 12
48
A farmer is planting trees in rows. Each row will have 10 trees, and there will be a total of 80 trees planted. How many rows of trees will the farmer have?
80 ÷ 10 trees per row = 8 rows.
Determine the factors of 36
1, 2, 3, 4, 6, 9, 12, 18, 36
Find the least common multiple of 6 and 8.
24
Multiples of 6: 6, 12, 18, 24, 30, 36
Multiples of 8: 8, 16, 24, 32
Classify the number 15 as prime or composite
Composite because 1 x 15 = 15 and 3 x 5 = 15.
Find the product of 5 x 11.
55
A teacher is distributing pencils to students. Each student will receive 6 pencils, and there are a total of 36 pencils available. How many students will receive pencils?
6 students. 36 ÷ 6 pencils per student = 6 students.
Identify the common factors of 8 and 16.
1, 2, 4, 8
Factors of 8: 1, 2, 4, 8
Factors of 16: 1, 2, 4, 8, 16
Determine if 36 is a multiple of 9.
Yes because 9 x 4 = 36
Explain the difference between prime and composite numbers.
Prime numbers have exactly two factors (1 and the number itself), while composite numbers have more than two factors.
What is 8 x 6?
48
A bakery sells muffins in packs of 15. If they sell 3 packs in a day, how many muffins are sold in total?
45 muffins. 15 muffins per pack x 3 packs = 45 muffins sold in total.