## Division of Integers Exercises Set 1 Answers

Below are the answers to Division of Integers Exercises (Set 1).
Part I

1. -4

2. -4

3. 7

4. -5

5. 0

6. 18

7. -5

8. -2

9. 2

10. 6

Part II

1. -2

2. -5

3. 7

4. -7

5. 0

6. 6

7. -9

8. -5

9. 1

10. -9

Part III

1. $\frac {1}{2} \div (-\frac {1}{4}) = \frac {1}{2} \times (-\frac {4}{1}) = \frac {4}{2} = -2$

2. $-\frac {2}{5} \div (-\frac {3}{4}) = -\frac {2}{5} \times (-\frac {4}{3}) = \frac {8}{15}$

3. $-\frac {3}{4} \div \frac {3}{8} = -\frac {3}{4} \times \frac {8}{3} = (-\frac {24}{12}) = -2$

4. $\frac {4}{5} \div (-\frac {1}{5}) = \frac {4}{5} \times (-\frac {5}{1}) = -\frac {20}{5} = -4$

5. $-\frac {5}{7} \div \frac {1}{2} = -\frac {5}{7} \times \frac {2}{1} = -\frac {10}{7} = -1 \frac {3}{7}$

6. -2

7. 3

8. -5

9. -4

10. 0

Now, that you have compelted the four fundamental operations, you might want to learn about the PEMDAS Rules and answer PEMDAS exercises.

## Division of Integers Exercises – Set 1

Below are exercises on division of signed numbers. Part I and II are exercises for divison of integers, while part III is an extension to fractions and decimals.

Part I

1.  $12 \div (-3)$

2. $-16 \div 4$

3. $-14 \div (-2)$

4. $15 \div (-3)$

5. $0 \div (-5)$

6. $-18 \div (-1)$

7. $-25 \div 5$

8. $6 \div (-3)$

9. $-8 \div (-4)$

10. $12 \div 2$

Part II

1.  $-34 \div 17$

2.  $45 \div -9$

3. $-56 \div (-8)$

4. $-63 \div 9$

5. $0 \div (-100)$

6. $-54 \div (-9)$

7. $72 \div (-8)$

8. $-50 \div 10$

9. $-17 \div (-17)$

10. $36 \div (-4)$

Part III

1. $\frac {1}{2} \div (- \frac {1}{4})$

2. $-\frac {2}{5} \div(- \frac {3}{4})$

3. $-\frac {3}{4} \div \frac {3}{8}$

4. $\frac {4}{5} \div (-\frac {1}{5})$

5. $-\frac {5}{7} \div \frac {1}{2}$

6. $0.4 \div (-0.2)$

7. $-0.9 \div (-0.3)$

8. $-4.5 \div 0.9$

9. $-0.8 \div 0.2$

10. $0 \div 0.7$

## Week 5 Review: Practice Exercises and Problems

In the previous post, we learned about operations on integers, order of operations, and PEMDAS rules. Below are the exercises and problems about these topics.

PCSR WEEK 5 Review: Operations on Integers

Practice Exercises 1

a.) 12 + (-4)
b.) (-9) + 3
c.) (-7) + (- 5)
d.) 8 + 3 + (-11)
e.) 6 + (-10) + (-2)

Practice Exercises 2

a.) 3 – 5
b.) -9 – 4
c.) (-7) – (- 8)
d.) – 2 – 6
e.) 1 – (-10)

Practice Exercises 3

a.) 4 × (- 5)
b.) (-2) × (- 4)
c.) (6) × (- 3)
d.) 8 × 2 × (-1)
e.) (-3) × (2) × (-7)

Practice Exercises 4
a.)-20 ÷ 4
b.) 18 ÷ (- 6)
c.) (-16) ÷ (- 2)
d.) 0 ÷ 8
e.) 9 ÷ 3

Practice Problems

1.) 2 + 3 × 5
2.) (2 + 3) × 5
3.) 3 x (-3) + 4 ×(-2)
4.) $3(5^2 - 8)$
5.) $2(5 - 8)^2$
6.) 16 + (-4) + 12 + (-8 × 3)
7.) $(3^2 + 2^2)^2$
8.) 6 + 3 × 2 – 5
9.) 8 – 12(3 – 4) + (-5 × 2)
10.) 7 + 3 × (-5) – 9 / 3

## PCSR REVIEW SERIES WEEK 5: Operations on Integers and PEMDAS

Below are the articles and videos that you should read and watch about operations on integers, order of operations, and PEMDAS. Exercises and problems will be posted soon.

PART 1: OPERATIONS ON INTEGERS

Articles

Videos

PART 2: PEMDAS

Articles

Videos

More video

Introduction to PEMDAS

## The Operations on Integers Series

In the previous post, I have mentioned that it is important for you to master basic mathematics. One of the basic skills that you should master is operations on integers. Luckily, I have finished writing all the tutorials and reviewers for all the operations on integers.  They are listed below.

Good luck and have fun. I will be posting the quizzes and PDF exercises soon, so keep posted.

## Division of Integers Quiz 1

This is the first of a series of quiz on division of integers. If you have forgotten how to divide integers, please read How to Divide Integers. You may also want to answer the practice exercise with full solutions. Note that in some mobile devices, the answers maybe shown, so it is better to answer this quiz using a PC or a tablet.

Instruction: Perform the multiplication. To check if your answer is correct, click the + button. You may want check your answers and share with us your score. 🙂

Division of Integers Quiz 1

1. What is $15 \div (-5)$?
2. What is $(-45) \div 9$?