Multiplying by Tens
Practice multiplying whole numbers by multiples of ten with this fourth-grade math worksheet.
Includes
Standards
Topics
Multiplying by Tens
Name:
Date:
Score:
Read each question carefully and solve the multiplication problems. Remember to use your knowledge of multiplying by tens!
1. When you multiply a whole number by 10, you add one to the end of the number.
2. The product of 7 and 10 is .
3. Multiplying by 20 is the same as multiplying by 2 and then multiplying by .
4. If you have 5 groups of 10 apples, you have a total of apples.
1. Which of the following is equivalent to 8 x 30?
8 x 3 + 10
8 x 10 + 3
8 x 3 x 10
8 + 3 + 10
2. What is the product of 12 and 40?
48
120
400
480
1. A baker bakes 6 trays of cookies. Each tray has 10 cookies. How many cookies did the baker bake in all?
2. There are 20 students in a class. Each student has 3 books. How many books are there in total?
Use the number line to show 3 x 20. Circle the final product.
1. 9 x 10 = 90
True
False
2. To find 5 x 60, you can multiply 5 x 6 and then add two zeros.
True
False
Explain in your own words how multiplying by a multiple of ten (like 20, 30, 40) is similar to multiplying by 10.