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: 1 0 × 1 6 0 = × 1 0 0 .

Q2:

Fill in the blanks: 1 0 × 1 6 0 = × 1 0 0 = .

  • A170, 17
  • B16, 160
  • C150, 15
  • D 16, 1,600
  • E160, 15

Q3:

Fill in the blanks: 4 × 5 0 = × 1 0 0 = .

  • A200, 2
  • B20, 20
  • C9, 900
  • D2, 200

Q4:

Complete: 3 0 × 6 0 = × 1 0 0 .

Q5:

Complete: 8 × 8 0 0 = × 1 0 0 .

Q6:

1 8 × 1 0 = t h o u s a n d s .

  • 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 1 1 0 0 p o u n d s
  • B 1 2 0 p o u n d s
  • C 1 3 0 0 p o u n d s
  • D 1 2 0 0 p o u n d s
  • E 1 2 p o u n d s

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 1 0 0 0 p o u n d s . How much profit do they make in 99 weeks?

Q11:

What is 1 0 0 × 1 = ?

Q12:

Calculate 1 , 0 0 0 × 6 .

Q13:

Complete: 2 × 5 0 = × 1 0 0 .

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: 1 0 0 × 1 0 × 5 = × 1 0 0 = .

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

Q17:

9 3 × 1 0 = t e n s .

  • A93 thousands
  • B93 ones
  • C103 hundreds
  • D93 hundreds
  • E103 tens

Q18:

A merchant bought 8 TV sets for 4 , 0 0 0 p o u n d s each, and 2 radio sets for 8 0 0 p o u n d s each. Calculate how much they paid.

Q19:

Which of the following states the relationship between the numbers 2 2 0 0 0 and 2 2 0 0 ?

  • A 2 2 0 0 is 10 more than 2 2 0 0 0 .
  • B 2 2 0 0 is 10 less than 2 2 0 0 0 .
  • C 2 2 0 0 0 is 10 times as small as 2 2 0 0 .
  • D 2 2 0 0 0 is 10 times as large as 2 2 0 0 .

Q20:

Complete the following: T h r e e 1 0 - p o u n d n o t e s + t h r e e 1 0 0 - p o u n d n o t e s + f o u r 5 0 - p o u n d n o t e s = p o u n d s .

Q21:

Complete: 3 × 4 × 1 , 0 0 0 = × 1 , 0 0 0 .

Q22:

Fill in the blanks: 2 × × 1 0 0 0 = × 1 0 0 0 = 8 , 0 0 0 .

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

Q23:

Fill in the blank in 1 0 × 6 × 3 = .

Q24:

Fill in the blanks: × 1 0 = 9 9 × 1 0 0 = .

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

Q25:

Which of the choices is equal to 1 0 0 × 2 ?

  • A 1 0 0 + 1 0 0 + 1 0 0
  • B100
  • C 1 0 0 + 1 0 0 + 1 0 0 + 1 0 0 + 1 0 0 + 1 0 0 + 1 0 0 + 1 0 0 + 1 0 0 + 1 0 0
  • D 1 0 0 + 1 0 0
  • E 1 0 0 + 1 0 0 + 1 0 0 + 1 0 0

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