Multiples
Give 3 multiples of 10.
10,20,30,40,50...
2 and 10, 4 and 5, 1 and 20.
Which of these is a prime number?
9, 10, 11
11
What is the product of 3 and 10?
30
Name an equivalent fraction to 3/5.
6/10.
9/15.
12/20
etc..
Name 3 multiples of 25
25,50,100,125, 150, 175, 200
Name a factor pair of 45.
1 and 45, 5 and 9, 3 and 15.
Which of these is a prime number?
80, 87, 95
87
What is the product of 4 and 12?
48
Simplify 20/30.
2/3
Give a common multiple of 10 and 6
30, 60, 90, 120, 150 ...300
Name all the factor pairs of 12.
1 and 12, 2 and 6, 3 and 4.
Name a prime number between 40 and 50.
41, 43, 47, 49
Which of these has the greater product: 4 and 7 or 3 and 9?
4 and 7
Simplify 15/45
1/3
Give a common multiples of 7 and 9?
54, 81
Name all the factor pairs of 40.
1 and 40, 2 and 20, 4 and 10, 5 and 8
Name 2 prime numbers between 70 and 80.
71, 73 and 79
30 is the product of which numbers?
10 and 3, or 5 and 7, or 15 and 2.
Simplify 200/450
4/9
Give 3 common multiples of 12 and 5
30,60,90,120,150
Give all the factor pairs of 100.
1 and 100, 2 and 50, 4 and 25, 5 and 20, 10 and 10.
Name all the prime numbers between 35 and 45.
37, 41 and 43.
What two numbers have a product of 12.5?
2.5 x 5, or 6.25 x 2
Name 3 equivalent fractions to 12/20
6/10, 3/5, 24/40.