1 | DIRECTED NUM BERS - PRACTICE VERSION 2 LEARNING RESOURCE DEVELOPMENT PROGRAM
Directed Numbers – Positive & Negative Numbers
PRACTICE QUESTIONS & WORKED SOLUTIONS
QUESTIONS
Write down the opposite of each of the following numbers:
1. −5 2. 13 3. −49 4. 2560
5. 3.87 6. 3!
! 7. 0
Addition:
1. −5+3 2. 6+4 3. −5+−7 4. −4+−2
5. 5+−2 6. 4+−8 7. −5+5 8. −3+4+(−2)
Subtraction:
1. 3−2 2. −3−2 3. 3−−2 4. −3−−2
5. 4−6 6. −4−6 7. 4−−6 8. −4−−6
Multiplication:
1. 3×5 2. −3×5 3. 4×−3 4. −5×−2
Division:
1. 12 ÷2 2. −8÷4 3. 10 ÷−5 4. −15 ÷−3
Raising a negative number to a power:
1. −5! 2. −4! 3. −1! 4. 2!−3!
NOTE:
If you need help with any of the Maths covered in this resource (or any other Maths topics), you can make an appointment with
Learning Development through reception: phone (02) 4221 3977, or Level 2 (top floor), Building 11, or through your campus.
