# Lesson Worksheet: Multiplying by 8 Mathematics • 3rd Grade

In this worksheet, we will practice modeling multiplication by 8 and reciting the times table of 8 up to 10×8.

Q1:

Noah knows the answer to . Tell him what number to add to to get the answer to .

What is ?

Q2:

A child plays in the park for eight hours a day. How many hours does she spend playing there in 5 days?

Q3:

Complete:

Q4:

If Matthew saves every month, how much money will he save in 8 months?

Q5:

Complete the table.

Multiply by 8
2
3
4  32
• A16, 40
• B16, 24
• C16, 32
• D24, 40
• E32, 40

Q6:

Fill in the blanks: .

Q7:

An octopus has 8 arms. How many arms do 7 octopuses have?

Q8:

The sequence chart shown can help us multiply by 8 using skip counting by eights up to 10 times.

Skip counting by eights
1234567910
111213141517181920
212223252627282930
3133343536373839
414243444546474950
515253545557585960
616263656667686970
7173747576777879

Use skip counting to find .

Use skip counting to find .

Q9:

This robot multiplies any input by 8 to give an output. If we give the robot an input of 2, it will give an output of 16, which is . What would the output of the robot in the following case be? What would the output of the robot in the following case be? Q10:

To fill the multiplication wheel, we simply multiply the number in the center by the ones in the middle circle and then write the answers in the corresponding outer blank circle. What number replaces the question mark? What number replaces the question mark? 