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Lesson: Multiplying by Multiples of 10, 100, and 1000 Mentally

Sample Question Videos

Worksheet • 25 Questions • 1 Video

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 = .

  • A 16, 1 600
  • B160, 15
  • C16, 160
  • D150, 15
  • E170, 17

Q3:

Fill in the blanks:

  • A2, 200
  • B20, 20
  • C9, 900
  • D200, 2

Q4:

Complete:

Q5:

Complete:

Q6:

1 8 × 1 0 = t h o u s a n d s .

  • A18 ten thousands
  • B19 thousands
  • C18 hundred thousands
  • D19 ten thousands
  • E18 hundreds

Q7:

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

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

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:

  • A50, 5 000
  • B45, 4 500
  • C15, 1 500
  • D40, 4 000
  • E55, 5 500

Q17:

9 3 × 1 0 = t e n s .

  • A93 hundreds
  • B103 tens
  • C93 ones
  • D103 hundreds
  • E93 thousands

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 0 is 10 times as large as 2 2 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 is 10 more than 2 2 0 0 0 .

Q20:

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

Q21:

Complete:

Q22:

Fill in the blanks:

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

Q23:

Fill in the blank in 1 0 × 6 × 3 = .

Q24:

Fill in the blanks:

  • A990, 9 900
  • B 9 900, 990
  • C99, 990
  • D990, 990

Q25:

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

  • A 1 0 0 + 1 0 0
  • B 1 0 0 + 1 0 0 + 1 0 0 + 1 0 0
  • C100
  • D 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
  • E 1 0 0 + 1 0 0 + 1 0 0
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