4th Grade Ch. 5 Math

The number 12 is

14 is a composite number because it has

Antonia gave some marbles to her friends. The number of marbles she gave away is prime. Which shows how many marbles Antonia could have given away?

• 29

• 30

• 32

• 33

select all the PRIME numbers

• 16

• 13

• 12

• 9

• 7

Select all the COMPOSITE numbers

• 16

• 13

• 12

• 9

• 7

Sandy is sorting numbers into groups of prime numbers and composite numbers. In which group should Sandy place the number 64?

• Sandy cannot put the number 64 in either group

• Sandy should put the number 64 in both groups

• Sandy should put the number 64 in the composite group only

• Sandy should put the number 64 in the Prime group only

the initial term in a pattern is 171. If the rule is Subtract 17, what is the 6th number in the pattern?

• 154

• 137

• 86

• 69

The following numbers follow a pattern with a rule of Add 9.

52, 61, 70, 79, 88

Which of the following numbers would NOT fit the pattern?

• 97

• 100

• 106

• 115

What are all the factors of 10?

• 1, 10

• 2, 5

• 1, 5, 10

• 1, 2, 5, 10

Which factors do 36 and 42 have in common?

• 1

• 2

• 3

• 4

• 6