Exploring Multiplication with Multiples of 10

What is the main topic of today's lesson?

• Dividing by multiples of 10

• Dividing by powers of 10

• Multiplying by multiples of 10

• Multiplying by powers of 10

Which number is not needed when writing multiples from 2 to 10?

• 1

• 10

• 5

• 2

What is the tenth multiple of 3?

• 20

• 30

• 40

• 50

What is the trick for quickly writing multiples of 9?

• Subtract 1 each time

• Write 0-9 and then 9-0

• Multiply by 2 each time

• Add 9 each time

How can tally marks help in finding multiples of 6?

• By adding 6 each time

• By multiplying by 6 each time

• By subtracting 6 each time

• By counting the tally marks above the number

What is the result of 90 times 7?

• 630000

• 630

• 6300

• 63000

How do you decompose 3000 times 200?

• 3 times 2 times 1000

• 3 times 2 times 100000

• 30 times 20 times 100

• 300 times 200 times 10

What is the product of 8000 times 30?

• 24000000

• 2400000

• 240000

• 24000

Which pair of factors can be used to find 16000?

• 2 and 8000

• 4 and 4000

• 8 and 2000

• 16 and 1000

What is another way to solve 16000 using 40 as one of the factors?

• 40 times 400

• 40 times 4000

• 40 times 40

• 40 times 40000