Multiplying and Dividing Whole Numbers by 10, 100, and 1000

The video tutorial explains simple tricks for multiplying and dividing whole numbers by 10, 100, and 1000. It emphasizes that these tricks only work with whole numbers, not decimals. The tutorial also covers how to find missing multipliers and divisors in equations by analyzing the number of zeros involved.

What is the result of multiplying 45 by 10?

• 450

• 4500

• 45

• 45000

Tags

CCSS.5.NBT.B.5

How do you multiply 67 by 100?

• 67000

• 6700

• 67

• 670

Tags

CCSS.5.NBT.A.2

What is 23 times 1000?

• 230000

• 2300

• 23000

• 23

Tags

CCSS.5.NBT.B.5

How many zeros do you add to the number 32 when multiplying it by 100?

• 2

• 0

• 1

• 3

Tags

CCSS.5.NBT.B.5

What is the trick for multiplying a whole number by 1000?

• Add three zeros to the end

• Multiply by 10 three times

• Double the number and add two zeros

• None of the above

Tags

CCSS.5.NBT.B.5

If you multiply 89 by 10, what is the correct way to find the answer?

• Double 89 and add a zero

• None of the above

• Multiply 89 by 10 using long multiplication

• Add one zero to the end of 89

Tags

CCSS.5.NBT.A.2

If you divide 400 by 10, what do you get?

• 40

• 4

• 4000

• 400

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

What is the result of dividing 5500 by 100?

• 55000

• 5.5

• 550

• 55

Tags

CCSS.5.NBT.A.2

When dividing a number that ends in three zeros by 1000, what do you do?

• Divide the number by 10 three times

• None of the above

• Remove three zeros from the end

• Add three zeros

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

What is 600 divided by 100?

• 6000

• 6

• 60

• 600

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2