WorksheetsMaths - Types of numbers
Total questions: 30
Worksheet time: 3600secs
(1 and itself)
7 14 22 28
Which one is incorrect?
Which answer lists all the factors for 40?
1,2,4,5,8,12,14,40
1,2,3,4,5,8,10
1,2,4,5,8,10,20,40
1,2,4,5,6,7,8,9,10
what are the first 5 prime numbers in ascending order?
2,3,4,5,11
1,2,3,5,11
2,3,5,7,11
2,3,11,7,5
Which of these numbers is not prime?
17
25
23
37
Find the LCM of 6 and 9...
18
30
24
36
Find the LCM of 12 and 16...
48
36
64
96
Find the HCF for 18, 36, and 81
3
2
6
9
Find the LCM for 6, 18, and 36
6
18
36
108
b=...
What is the Prime Factorization of 144?
24 x 32
22 x 34
24 x 34
22 x 3 x 32
What is the expanded form and standard form for 34?
3 + 3 + 3 + 3; 12
3 x 3 x 3 x 3; 27
4 x 4 x 4; 64
3 x 3 x 3 x 3 ; 81
What is the standard form of 22 x 32 x 5
120
180
90
140
A carpenter got given some free wooden planks. Some are 12m long and some are 18m long. She wants to cut them up so that she has equal size planks to make using them easier. What size planks should she cut them into to avoid wasting any wood?
HCF
LCM
Sophie checks her bike for repairs every 9 days and Susan check hers every 12 days. If they both check their bikes today, after how many days do they next both check their bike again?
HCF
LCM
There are two loaf cakes. One is 35cm long and one is 21cm long. They want to cut the cake up and sell the slices, but all the slices must be equal. What is the largest slices that they can cut them into?
HCF
LCM
Tom and Claire both like do short exercise that involve small breaks. Tom does a short burst of exercise every 2 minutes, and Claire does hers every 3 minutes. If they start doing their exercise at 9:00am, when do they both do their exercises again?
HCF
LCM
Find the HCF of 30 and 25
5
6
10
15
Which one is NOT prime number?
97
89
127
95
Which one is factor of 46?
3
23
12
8
