Factors
is 11 prime or composite
prime
list the first 3 multiples of the number 7
7, 14, 21
14 x 6
84
800 / 2
400
Liam has 8 apples. His friend gives him 6 more apples. Liam then eats 5 apples.
How many apples does Liam have left?
9 apples
is 672 prime or composite
composite
what are 5 multiples of the number 6
6, 12, 18, 24, 30, etc.
90 x 5
450
6, 442 / 2
3,221
There are 4 bags of marbles. Each bag has 6 marbles. After playing, 7 marbles are lost.
How many marbles are left?
17 marbles
list the factors of 27
1, 3, 9, 27
11, 22, 33, 44, 55, 66, 77
63 x 12
756
753 / 3
251
A bookstore has 9 shelves with 24 books on each shelf. They sell 86 books in one day.
How many books are left?
130 books
list the factors of 36
1, 2, 3, 4, 6, 9, 12, 18, 36
what is the greatest multiple of the number 9 that does not pass 100
99
88 x 55
4,840
845 / 2
422 R1
A baker makes 120 cookies. He packs them equally into 6 boxes. Later, 8 cookies are eaten from one box.
How many cookies are left in that box?
12 cookies
list the factors of 60
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60
what is the greatest multiple of the number 7 that does not pass 100
98
532 x 16
8,512
694 / 7
99 R 1
A school buys 18 packs of pencils. Each pack has 24 pencils. The pencils are shared equally among 8 classrooms.
How many pencils does each classroom get?
54 pencils