Section 4.1  Addition and Subtraction of Negative Numbers 
Question 1
What is 4 + 5? 
(A)  9 


(B)  1 
(C)  1 
(D)  9 

Question 2
What is the value of 5 – (3)? 
(A)  8 


(B)  2 
(C)  2 
(D)  8 
 
Question 3
What is the value of 3 – (6)? 
(A)  9 


(B)  3 
(C)  3 
(D)  9 

Question 4
Overnight, the temperature dropped from 11°C to 2°C.
By how many degrees did the temperature fall? 
(A)  11°C 


(B)  9°C 
(C)  9°C 
(D)  13°C 
 
Section 4.2  Multiplication and Division of Negative Numbers 
Question 5
What is the value of 4 × (7)? 
(A)  28 


(B)  11 
(C)  11 
(D)  28 

Question 6
What is the value of (7) × (9)? 
(A)  63 


(B)  16 
(C)  16 
(D)  63 

Question 7
What is the value of (100) ÷ (5)? 
(A)  20 


(B)  0.05 
(C)  20 
(D)  500 

Question 8
What is the value of  (  8 × (4)  )  ÷  (  (2) × (2) 
)  ? 

(A)  8 


(B)  4 
(C)  4 
(D)  8 

Section 4.3  Rounding 
Question 9
What is 3489, to the nearest 1000? 
(A)  3000 


(B)  3400 
(C)  3500 
(D)  4000 

Question 10
What is 7.947, correct to 1 decimal place? 
(A)  7.9 


(B)  7.94 
(C)  7.95 
(D)  8.0 

Question 11
What is 7.947, correct to 2 significant figures? 
(A)  7.9 


(B)  7.94 
(C)  7.95 
(D)  8.0 

Question 12
What is 0.04759, correct to 2 significant figures? 
(A)  0.04 


(B)  0.047 
(C)  0.048 
(D)  0.05 

Section 4.4  Estimating 
Question 13
Which of the following values is a good estimate for the calculation below?
7.49 × 20.15 
(A)  15 


(B)  150 
(C)  160 
(D)  1500 


Question 14
By estimating, determine which of these calculations is NOT correct. 
(A)  (7.31 + 6.29) ÷ (2.71 + 1.65) = 3.12 to 2 d.p. 


(B)  49.47 ÷ (33.8 – 15.4) = 2.69 to 2 d.p. 
(C)  (27.5 – 5.67 + 4.5) × 27.3 = 720 to 2 s.f. 
(D)  (105.67 + 72.6) ÷ 4.7 = 3.8 to 1 d.p. 

Question 15
Which of the following values is a good estimate for the calculation below?
27.4 × 88.3 

11.1 

(A)  2.4 


(B)  24 
(C)  240 
(D)  2400 

Question 16
Tickets for a football match cost $9 each. If 4163 people go to the match,
which of the following is a good estimate for the total amount of ticket
money collected? 
(A)  $4000 


(B)  $30000 
(C)  $40000 
(D)  $400000 

Section 4.5  Calculator Logic  Brackets and Memory Keys
For the questions in this section you may use a calculator 
Question 17
Calculate, correct to 1 d.p.
7.3 + 4.5 

8.2 – 5.9 

(A)  4.5 


(B)  1.9 
(C)  5.1 
(D)  9.3 

Question 18
Calculate
7.57 + 3.21 

9.61 ÷ 3.78 
Give your answer correct to 1 d.p. 
(A)  0.3 


(B)  4.2 
(C)  7.7 
(D)  15.7 

Question 19
When David tried to calculate  4  on his  

2 + 3 × 2 
calculator, his answer was 0.4, which is wrong. What is the correct answer? 
(A)  0.5 


(B)  2 
(C)  5 
(D)  10 

Question 20
Calculate, correct to 1 decimal place,
5.2 × (6.21 + 13.07) 

(8.78 – 1.75) × 2.34 

(A)  1.1 


(B)  6.1 
(C)  15.1 
(D)  33.4 
