1. Calculate:
|
(a) (20 − 5) × 2 |
(e) 3 + (42 + 3) |
(i) 4 × 2 − (3 + 8) |
|
(b) 20 − (5 + 2) |
(f) 14 × (5 × 2) |
(j) 3 − 2 × (6 − 6) |
|
(c) 60 ÷ 6 + 8 |
(g) 8 − (6 + 2) |
(k) 14 × 13 × (14 − 3) |
|
(d) 60 ÷ (10 ÷ 2) |
(h) 8 × ( 2 ÷ 4) |
(l) (3 − 2) × 4 ÷ 2 |
2. Calculate:
|
(a) -3 + 2 × -3 |
(g) 2 − 3 − 4 − 5 |
|
(b) 8 + -5 ÷ 5 |
(h) -8 × 2 × -3 |
|
(c) -2 + 3 + 4 − 2 |
(i) -8 ÷ 4 − 4 |
|
(d) -3 × − 2 + 3 |
(j) 5 + (-2)3 × 4 |
|
(e) 14 ÷ -2 × -2 |
(k) -2 × -3 × (4 + 5) |
|
(f) -4 − -2 |
(l) 3 − -2 + 52 |
3. Evaluate, if m = -2 , n = 3 and q = -3:
(a) mn/4
(b) 2m3 + 3n2
(c) 3m + nq
(d) 2mn
(e) (n + mq)2
4. Evaluate the following
|
(a) 23 + 3 × 2 |
(d) 4 ÷ 2 − 43 |
(g) 22 × (23 − 4) |
|
(b) 4 + 42 |
(e) (24) 2 |
(h) 43 × 42 ÷ 4 |
|
(c) 102 − 103 |
(f) 34 ÷ (33 × 3) |
(i) 52 − 53 ÷ 5 4 |
