Mid Chapter Review
Textbook
8 Math Nelson
Chapter
Chapter 1
Section
Mid Chapter Review
Solutions 27 Videos

How do you know that each number is a composite number?

111 704

Q1a

How do you know that each number is a composite number?

1 250 005

Q1b

How do you know that each number is a composite number?

111 111

Q1c

How do you know that each number is a composite number?

2^{10}

Q1d

The first two digits of Owen’s three-digit apartment number are 1 and 2. His apartment number is a prime number. What is Owen’s apartment number?

Q2

Josephine is trying to determine whether or not 247 is a prime number.

a) How can she tell, without dividing, that 2, 3, and 5 are not factors?

b) What other numbers should she divide by to determine whether or not 247 is a prime number? Explain your reasoning.

c) Is 247 a prime or composite number? Explain.

Q3

Determine the prime factorization of each number.

30

Q4a

Determine the prime factorization of each number.

75

Q4b

Determine the prime factorization of each number.

165

Q4c

Determine the prime factorization of each number.

1122

Q4d

Complete each prime factorization.

210 = 2 \times 3 \times \square \times \square

Q5a

Complete each prime factorization.

196 = 2^2 \times \square^2

Q5b

Complete each prime factorization.

216 = 2^3 \times 3^{\square}

Q5c

Complete each prime factorization.

910 = 2 \times \square \times \square \times 13

Q5d

Identify three common factors and three common multiples of 70 and 56.

70 = 2 \times 5 \times 7

56 = 2^3 \times 7

Q6

Determine the GCF of 24 and 30.

Q7a

Determine the LCM Of 24 and 30.

Q7b

Calculate.

3^5

Q8a

Calculate.

2^6

Q8b

Calculate.

0.2^4

Q8c

Calculate.

1.5^3

Q8d

Five DVDs are packaged in plastic wrap. Five packages are packed in a box. Five boxes are packed in a crate.

a) How many DVDs are packed in a crate?

b) Represent the number of DVDs in a crate as a power.

Q9

Copy and complete the chart. Q10

Express each number in expanded form and in scientific notation.

12 500, the number of seats in the Rexall Centre for tennis in Toronto

Q11a

Express each number in expanded form and in scientific notation.

32 000 000, the approximate population of Canada in 2004

Q11b

Express each number in expanded form and in scientific notation.

230 000 000, the approximate number of years for our galaxy to complete one rotation