# Lesson Worksheet: Multiplication by 4 Mathematics

In this worksheet, we will practice modeling multiplication by 4 and multiply 4 by whole numbers up to 10.

**Q1: **

What is ?

**Q2: **

Dima placed flowers in rows such that each row had 4 flowers.

She completed two rows and calculated the number of flowers as .

Complete: When Dima completed 5 rows, she calculated the number of flowers as .

What is ?

*Hint*: How many flowers are there in 9 rows?

**Q3: **

Find the missing numbers by multiplying by 4.

*Hint*: Use the array to help you.

**Q4: **

Each row is 4 more than the previous.

Find the result of the following:

Find the result of the following:

**Q5: **

Use to find .

**Q6: **

Lobna uses doubling to help find the answer to as follows:

- 7 doubled is 14.
- 14 doubled is 28.
- So, .

Use Lobna’s method to find the answer to .

Fill in the blanks in the following.

10 doubled is .

doubled is .

- A5, 10
- B40, 80
- C20, 40
- D10, 20

So, .

**Q7: **

This picture represents a multiplication fact.

Fill in the blanks: .

*Hint*: Use skip counting to find the product.

- A8, 24
- B6, 10
- C24, 6
- D6, 24

**Q8: **

Sarah makes these towers of cubes to represent multiplication facts.

Yara does the same for multiplication facts.

Which of these statements is **not** true?

- AYara’s towers are twice as tall as Sarah’s.
- BIf we add two cubes to each of Sarah’s towers, they will match Yara’s.
- CThe number of cubes in each of Yara’s towers is double the number of cubes in Sarah’s towers.
- DMultiplying by 4 is the same as multiplying by 2 and then doubling the answer.

**Q9: **

Find the missing factor: .

**Q10: **

Sarah shades in all the multiples of 4 on this grid.

What is the eighth number she will shade in?

Which of these statements is **not** true?

- AThe 2nd number Sarah shades in will be a multiple of 4.
- BEvery number in the 2 times table is a multiple of 4.
- CSarah will shade in the number 24.
- DAll the numbers Sarah shades in will also be multiples of 2.