Chapter 01 – Negative Numbers
01 BIDMAS Exercises 1 & 2
Exercise 1
1.22
2.4
3.6
4.8
5.21
6.1
7.100
8.15
9.22
10.15
Exercise 2
1.80
2.5
3.2
4.18
5.80
6.33
7.3
8.5
9.10
10.63
02 BIDMAS Putting in Brackets
1.(3 + 4) x 2 = 14
2.2.3 x 2 + 5 = 11
3.2 x (3 + 4) = 14
4.6 – 2 x 2 = 2
5.(7 – 3) x 3 = 12
6.(9 + 1) x 7 = 70
7.(9 – 4) x 3 = 15
8.(12 – 2) x 5 = 50
9.(3 + 2) x 4 = 20
10.2 + 5 x 4 = 22
11.3 x 4 + 2 x 1 = 14
12.5 x (2 + 3 – 4) = 5
13.4 x 2 + 3 x 2 = 14
14.4 x (2 + 3) x 2 = 40
15.8 ÷ (2 + 2) = 2
16.12 ÷ (3 + 1) = 3
17.15 ÷ (5 – 2) = 5
18.20 x (3 + 2) = 100
03 BIDMAS Puzzle
846
519
237
04 BIDMAS Puzzle 2
Examples of answers
0=9×2×(2-2)
1=9-2×2×2
2=9×(2-2)+2
3=9-2-2-2
4=(9-2÷2)÷2
5=(9+2÷2)÷2
6=9-2-2÷2
7=9+2-2-2
8=9+2÷2-2
9=9+2×(2-2)
10=9+2-(2÷2)
11=9+2+2-2
12=9+2+2÷2
11 Adding & Subtracting of Negative Numbers 1
1.3
2.9
3.3
4.6
5.6
6.1
7.5
8.7
9.8
10.12
11.11
12.4
13.0
14.0
15.5
12 Adding & Subtracting Negative Numbers 2
1.9, 6, 5, 1, 1, 2, 3
2.a.3
b.0
c.3
d.11
3.a.8
b.10
c.11
d.3
e.2
f.5
g.1
h.4
i.7
j.8
k.5
l.11
m.11
n.6
o.8
p.8
q.2
r.1
s.9
t.5
u.5
v.9
w.8
x.0
y.2
4.a.2
b.3
c.5
d.6
e.12
5.a.13
b.2
c.5
d.4
e.2
6.a.10
b.5
c.2
d.4
e.4
7.10 examples such as 1+0, 2+1 and 3+2.
8.10 example such as 0 -1, and 1 - 2
21 Positive & Negative Multiplication Table
/ +3 / +2 / +1 / 0 / -1 / -2 / -3+3 / 9 / 6 / 3 / 0 / -3 / -6 / -9
+2 / 6 / 4 / 2 / 0 / -2 / -4 / -6
+1 / 3 / 2 / 1 / 0 / -1 / -2 / -3
0 / 0 / 0 / 0 / 0 / 0 / 0 / 0
-1 / -3 / -2 / -1 / 0 / 1 / 2 / 3
-2 / -6 / -4 / -2 / 0 / 2 / 4 / 6
-3 / -9 / -6 / -4 / 0 / 3 / 6 / 9
22Multiplying & Dividing Negative Numbers 1
1.27
2.28
3.28
4.48
5.30
6.81
7.60
8.36
9.500
10.112
11.120
12.6
13.8
14.12
15.6
16.7
17.6
18.4
19.90
20.20
21.5
23 Multiplying & Dividing of Negative Numbers 2
1.15
2.14
3.24
4.6
5.14
6.2
7.2
8.8
9.4
10.3
11.24
12.10
13.18
14.16
15.36
16.4
17.12
18.4
19.7
20.25
21.18
22.8
23.45
24.3
25.40
26.a.2
b.3
c.7
d.5
e.10
27.a.4
b.9
c.3
d.6
e.4
28.6 examples such as 1 × 12 and 2 × 6
29.6 examples such as 4/1 and -4/1
30.a.21
b.4
c.2
d.16
e.2
f.5
g.35
h.17
i.12
j.6
k.45
l.2
m.0
n.1
o.65
31 Mixed Operations of Negatives
1.14
2.11
3.12
4.9
5.24
6.1
7.28
8.19
9.30
10.4
11.45
12.48
13.2
14.1
15.1×2×-3
16.(1-2)×-3
17.(1+2)×-3
18.1+2-(-3)
19.1-2-(-3)
20.(1-2)/(-3)
32 Mixed Operations of Negatives
1.-1
2.1
3.-3
4.-5
5.6
6.8
7.10
8.2
9.-4
10.1
11.7
12.-8
13.2
14.2
15.-5
16.-7
17.-1
18.-9
19.-15
20.13
21.-13
22.9
23.0
24.4
25.-51
26.-40
27.-56
28.13
29.72
30.-28
31.-60
32.8
33.-8
34.36
35.9
36.-125
33 Mixed Exercise
1.a.27
b.5
c.8
d.0
2.Some answers have alternates
(4-3)×(2-1)=1
4-3+2-1=2
4-3+2×1=3
4+3-2-1=4
4+3-2×1=5
4+3-2+1=6
4+3×(2-1)=7
4+3+2-1=8
(4+3+2)×1=9
4+3+2+1=10
4×3-2+1=11
4×3×(2-1)=12
4×3+2-1=13
(4×3+2)×1=14
4×3+2+1=15
4×(3+2-1)=16
3.a.3
b.5
c.13
d.17
e.7
f.5
g.42
h.45
i.48
j.60
k.7
l.20
4.a.23
b.70
c.22