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Lesson: Using Basic Facts and Patterns to Multiply Multiples of 10, 100, and 1000 Mentally

In this lesson, we will learn how to multiply multiples of 10, 100, and 1000 mentally using basic facts and patterns.

Worksheet • 25 Questions

Q1:

9 3 × 1 0 = t e n s .

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

Q2:

Fill in the blanks:

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

Q3:

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

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

Q4:

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

  • A 11, 1 100
  • B110, 10
  • C11, 110
  • D100, 10
  • E120, 12

Q5:

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.

Q6:

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 .

Q7:

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?

Q8:

Complete:

Q9:

Complete:

Q10:

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

Q11:

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

Q12:

Fill in the blank in 1 0 × 6 × 3 = .

Q13:

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

Q14:

Complete:

Q15:

Fill in the blanks:

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

Q16:

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

Q17:

Complete.

Q18:

Calculate 1 0 0 0 × 6 .

Q19:

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 = .

Q20:

If a train has 5 passenger cars, where each passenger car has 100 seats, how many seats are in the train?

  • A500 seats
  • B105 seats
  • C50 seats
  • D 1 005 seats

Q21:

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

Q22:

Fill in the blanks:

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

Q23:

Fill in the blanks:

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

Q24:

Complete:

Q25:

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