# Worksheet: Multiplying by Multiples of 10, 100, and 1000 Mentally

In this worksheet, we will practice multiplying multiples of 10, 100, and 1000 mentally using basic facts and patterns.

**Q1: **

Fill in the blank: .

**Q4: **

Complete:

**Q5: **

Complete:

**Q6: **

.

- A18 hundreds
- B18 hundred thousands
- C19 ten thousands
- D18 ten thousands
- E19 thousands

**Q7: **

If a person saves 100 pounds every month, how much will they save in a year?

- A
- B
- C
- D
- E

**Q8: **

If a train has 5 carriages, where each carriage has 100 seats, how many seats are in the train?

**Q9: **

The price of one radio is 200 pounds. Find the price of 8 radios.

**Q10: **

The average weekly profit of a shop is . How much profit do they make in 99 weeks?

**Q11: **

What is ?

**Q12: **

Calculate .

**Q13: **

Complete:

**Q14: **

Complete.

**Q15: **

A library contains 100 bookcases. Each bookcase has 4 shelves and each shelf contains 9 books. How many books are in the library?

**Q16: **

Fill in the blanks:

- A 55, 5,500
- B 15, 1,500
- C 40, 4,000
- D 50, 5,000
- E 45, 4,500

**Q18: **

A merchant bought 8 TV sets for each, and 2 radio sets for each. Calculate how much they paid.

**Q19: **

Which of the following states the relationship between the numbers and ?

- A is 10 more than .
- B is 10 less than .
- C is 10 times as small as .
- D is 10 times as large as .

**Q20: **

Complete the following: .

**Q21: **

Complete:

**Q22: **

Fill in the blanks:

- A4, 4
- B5, 8
- C4, 6
- D4, 8

**Q23: **

Fill in the blank in .

**Q24: **

Fill in the blanks:

- A990, 990
- B 9,900, 990
- C99, 990
- D 990, 9,900

**Q25: **

Which of the choices is equal to ?

- A
- B100
- C
- D
- E