How to Multiply Integers Part 3

This is the third and the last part of our series on Multiplication of Integers (see first and second parts). In this video, we discuss more examples on how to multiply integers.

Watch the Taglish math tutorial video above and then answer the Practice Exercises below.

Practice Exercises:

1.) – 4 × 3  × (- 2) × 1

2.) (- 4) (- 1)(-8)

3.) (-1)(9)(-3) (-1)

4.)(-2)(-3)(1) (-5)(-1)

5.)(-7)(2)(1) (-2)(6)

Answers to Exercises

1.) 24

2.) -32

3.) -27

4.) 30

5.) 168

How to Multiply Integers Part 2

After learning the basics of multiplication of integers, we continue learning by discussing more examples in this video.  Here, we apply the rules we have learned in the previous tutorial in multiplying more than two integers.

Watch the Taglish math tutorial video above and then answer the Practice Exercises below.

Practice Exercises: Convert the following subtraction expressions to an addition expression and then find the answer.

1.) – 3 × 4

2.) (- 7) (- 2)(-3)

3.) (1)(12)(-1)

4.) (- 3) × 3 × (-3)

5.) (- 4) × 2 × (-6) × 2

Answers to Exercises

1.) -12

2.) -42

3.) -12

4.) 27

5.) 96

How to Multiply Integers Part 1

In this video, we learn how to multiply positive and negative integers. We will also discuss the rules in multiplication of integers. Note that aside from the  × sign, parentheses are also used in multiplication. For example, – 6 × 3 can also be written as (-6)(3).

Watch the video above and then answer the Practice Exercises below.

Practice Exercises: Convert the following subtraction expressions to an addition expression and then find the answer.

1.) – 8 × 4

2.) – 5 × – 4

3.) (7)(-12)

4.) 9  ×  10

5.) – 12 × 0

Answers to Exercises

1.) -32

2.) 20

3.) -84

4.) 90

5.) 0