WorksheetsCh. 9 Sadlier review 4th Grade
Total questions: 24
Worksheet time: 32mins
What is the greatest multiple of 8?
1
8
16
multiples are endless
Hot dogs come in packs of 8 and buns come in packs of 10. What is the least number of packages of each that will be needed to run out of both at the same time?
80 packages
40 packages
5 packs of hot dogs; 4 packs of buns.
10 packs of hot dogs; 8 packs of buns.
Is 9 PRIME or COMPOSITE?
PRIME
COMPOSITE
Is 17 PRIME or COMPOSITE?
PRIME
COMPOSITE
Is 31 PRIME or COMPOSITE?
PRIME
COMPOSITE
Name ALL of the factors of 12.
1,2,3,6,12
1,2,6,12
2,6
1,2,3,4,6,12
Name ALL of the factors of 4.
2
1,2,4
1,4
2,2
Choose ALL of the factor pairs of 8.
1x8
4+4
4x2
8x1
2 is a PRIME Number.
TRUE
FALSE
What are two PRIME numbers between 50 and 60?
52 and 56
53 and 58
53 and 59
57 and 59
Pick the ALL the pairs of factors for the number:
36
2 x 18
4 x 9
6 x 6
3 x 12
Choose the correct common multiples of 6 and 9.
1,6,9,18
12,18,36
18,36
18,27,36
Write the first four common multiples for 5 and 10.
(a)
Write down the first three common multiples of 4 and 8.
(a)
Mr B is checking his emails and planning IXL skills today. He checks his emails every 3 days and plans his IXL skills every 6 days. When will he do both on the same day again?
2 days
6 days
12 days
18 days
_______ is a number that has more than two factors.
composite number
prime number
factors
product
What is the answer to this are model problem?
11
28
22
65
