# Lesson Worksheet: Multiplication by 0 and 1 Mathematics

In this worksheet, we will practice identifying the identity element property and zero multiplication property of multiplication and multiplying whole numbers by 0 and 1.

Q1:

In this multiplication table, Dima colored all of the multiples of 1 green.

Use the table to finish the following sentence: When you multiply any number by 1, the product is .

• A0
• B1
• Cthe same number

Q2:

Use the multiplication table to investigate what happens when you multiply by 0.

When you multiply any number by 0, the product is .

Q3:

Look at the example to see how we can write a multiplication sentence from an equal groups model.

Write a multiplication equation to describe the total number of the animals.

• A
• B
• C
• D

Write a multiplication equation to describe the total number of the animals.

• A
• B
• C
• D

Write a multiplication equation to describe the total number of the animals.

• A
• B
• C
• D

Q4:

Complete:

Q5:

What is the product of any number and zero?

Q6:

What do you get when you multiply a number by 1?

• A0
• B1
• Cthe same number

Q7:

Naser started with 12 stars in three groups of four.

Remove one group at a time. Find the missing numbers.

Q8:

A man bought 8 pens for 1 LE each. How much did he pay?

Q9:

When we multiply, we can think about equal groups of dots.

How many dots would there be if you drew 0 groups with 8 dots in each group?

Find the missing number: .

Q10:

When we multiply, we can think about counting equal groups of objects.

How many balls would you have if you had 3 boxes with 0 balls in each box?

Find the missing number: