Number Operations

Number Operations

1. Evaluate: –18 + 42

• A. –60

• B. 24

• C. –24

• D. 60

Number Operations

2. Evaluate: –12 – (–7)

• A. –19

• B. –5

• C. –7

• D. –12

Number Operations

3. Evaluate: (–6) × (–9)

• A. –54

• B. 15

• C. 54

• D. –15

Number Operations

4. Evaluate: 84 ÷ (–7)

• A. –12

• B. 12

• C. –91

• D. –77

Number Operations

5. Evaluate: –25 + 48 – 32 + (–15) + 20

• A. –4

• B. –2

• C. –10

• D. –8

Number Operations

6. Evaluate: –40 – (–12) – (–8) – 25

• A. –45

• B. –53

• C. –61

• D. –37

Number Operations

7. Evaluate: (–4)(6) + (–3)(–5) – 18

• A. –27

• B. –15

• C. –3

• D. –21

Number Operations

8. Evaluate: (–120 ÷ 6) × (–3) + 45 ÷ (–9)

• A. 55

• B. 65

• C. 50

• D. 60

Number Operations

9. Evaluate: 20 – [4 × (6 – 9)]

• A. 32

• B. 8

• C. 24

• D. 36

Number Operations

10. Evaluate: 15 ÷ (3 + 2) × 4

• A. 60

• B. 15

• C. 12

• D. 20

Answer explanation

When performing the four operations, calculate the expressions inside parentheses first. Then, do multiplication and division before addition and subtraction. If the equation has only multiplication and division left, solve them from left to right.