G7 Unit 1 & 2 Review

G7 Unit 1 & 2 Review

LESSONS:

• Arithmetic with integers

• Multiples, factors, primes

• Powers and roots

• Generating sequences

• Using the nth term

• Using functions and mapping

• Constructing linear expressions and using formulae

Multiple Choice

Which question is the SAME as

-4 - (-2) ?

• -4 + 2

• -4 - 2

• 4 + 2

• 4 - 2

Multiple Choice

10 - (-3)

• 7

• -7

• -13

• 13

Multiple Choice

-6-2

• 8

• -4

• 4

• -8

Multiple Choice

-9 - (-7)

• -2

• -16

• 16

• 2

Multiple Choice

_{-10 x 8}

• 80

• -80

Multiple Choice

64 ÷ (-8)

• 8

• -8

• -9

• -7

Multiple Choice

Write 10000 as a power of 10

• 10

• 10²

• 10³

• 10⁴

Multiple Choice

12²

• 144

• 134

• 122

• 145

Multiple Choice

Which of the following have the same value as 23 x 0.01?

• 23 x 10

• 23 x 100

• 23 ÷ 10

• 23 ÷ 100

Multiple Choice

• 1

• 0.001

• 0.01

• 0.1

Multiple Choice

• 1
• 10
• 0.1
• 0.01

Multiple Choice

How should you express 96 as a product of its prime factors?

• 32 x 3

• 3 x 2⁵

• 2 x 48

• 1 x 2⁵ x 3

Multiple Choice

Write 80 as the product of it's prime factors...

Write your answer in index form...

• 2⁴ x 5

• 2 x 2 x 2 x 5 x 5

• 2 x 2 x 2 x 2 x 5

• 2³ x 5²

Multiple Choice

What is the LCM of 72 and 108?

• 144

• 216

• 280

• 312

Multiple Choice

What is the HCF of 72 and 108

• 6

• 18

• 24

• 36

Multiple Choice

Find the n^th term of the following sequence...

8, 13, 18, 23...

• 5n+3

• 3n+5

• n+5

• n+3

Multiple Choice

Find the n^th term of the following sequence...

3, 11, 19, 27...

• 8n-5

• 8n+5

• 5n+8

• 5n-8

Multiple Choice

Evaluate the expression

 $w^{2\ }-13$  when w = 9. 

• 81

• 94

• 18

• 68

Multiple Choice

If b = 6 and c = 1, what is b² - 4c equal to?

• 8

• 16

• 32

• 35

Multiple Choice

Simplify the following:

-8 + (15-3) ÷ 4

• -5

• 1

• -11

• 11

Multiple Choice

Simplify the following:

(2 + 7 - 1) ÷ 2²

• 16

• 2

• 72.25

• 8.75