Prime Time Final Assessment | Homework Practice

Core Concepts

Question 1mcq

In a classroom activity, which is the prime factorisation of

45

?

A.

3^2\times 5

B.

45\times 1

C.

22\times 2

only

D.

46

Question 2mcq

Which option best applies the skill 'Identify composite numbers' from Prime Time?

A.Choose the largest number without checking the rule.

B.Use the rule carefully and check that the answer fits the given situation.

C.Ignore the given information.

D.Use an unrelated operation.

Question 3mcq

Which number is a factor of

72

?

A.

73

B.

71

C.

18

D.

19

Question 4mcq

Which is the prime factorisation of

18

?

A.

18\times 1

B.

9\times 2

only

C.

19

D.

2\times 3^2

Question 5mcq

Which number is a factor of

24

?

A.

3

B.

25

C.

23

D.

5

Question 6mcq

In a classroom activity, which is the prime factorisation of

36

?

A.

36\times 1

B.

2^2\times 3^2

C.

18\times 2

only

D.

37

Skill Practice

Question 7mcq

Which number is a factor of

45

?

A.

46

B.

44

C.

15

D.

16

Question 8mcq

Which number is a factor of

60

?

A.

61

B.

59

C.

6

D.

4

Question 9mcq

Which option best applies the skill 'Solve HCF-LCM word problems' from Prime Time?

A.Use the rule carefully and check that the answer fits the given situation.

B.Choose the largest number without checking the rule.

C.Ignore the given information.

D.Use an unrelated operation.

Question 10mcq

Which is the prime factorisation of

18

?

A.

18\times 1

B.

2\times 3^2

C.

9\times 2

only

D.

19

Question 11mcq

In a classroom activity, which option best applies the skill 'Identify composite numbers' from Prime Time?

A.Choose the largest number without checking the rule.

B.Ignore the given information.

C.Use the rule carefully and check that the answer fits the given situation.

D.Use an unrelated operation.

Question 12mcq

Which number is a factor of

36

?

A.

37

B.

35

C.

4

D.

2

Application and Reasoning

Question 13mcq

Which is the prime factorisation of

45

?

A.

3^2\times 5

B.

45\times 1

C.

22\times 2

only

D.

46

Question 14mcq

Which number is a factor of

60

?

A.

61

B.

20

C.

59

D.

21

Question 15mcq

Which is the prime factorisation of

72

?

A.

72\times 1

B.

36\times 2

only

C.

2^3\times 3^2

D.

73

Question 16mcq

In a classroom activity, which number is a factor of

18

?

A.

19

B.

17

C.

4

D.

2

Question 17mcq

Which number is a factor of

24

?

A.

3

B.

25

C.

23

D.

5

Question 18mcq

Which option best applies the skill 'Solve HCF-LCM word problems' from Prime Time?

A.Choose the largest number without checking the rule.

B.Use the rule carefully and check that the answer fits the given situation.

C.Ignore the given information.

D.Use an unrelated operation.

Mixed Challenge

Question 19mcq

Which is the prime factorisation of

45

?

A.

45\times 1

B.

22\times 2

only

C.

3^2\times 5

D.

46

Question 20mcq

Which option best applies the skill 'Identify composite numbers' from Prime Time?

A.Choose the largest number without checking the rule.

B.Ignore the given information.

C.Use an unrelated operation.

D.Use the rule carefully and check that the answer fits the given situation.

Question 21mcq

In a classroom activity, which number is a factor of

72

?

A.

9

B.

73

C.

71

D.

10

Question 22mcq

Which is the prime factorisation of

18

?

A.

18\times 1

B.

2\times 3^2

C.

9\times 2

only

D.

19

Question 23mcq

Which number is a factor of

24

?

A.

25

B.

23

C.

3

D.

5

Question 24mcq

Which is the prime factorisation of

36

?

A.

36\times 1

B.

18\times 2

only

C.

37

D.

2^2\times 3^2