4th Grade Lesson 3.1

What is place value?

• The value of a digit based on its position
• The value of a digit based on its color
• The value of a digit based on its shape
• The value of a digit based on its size

What happens when we multiply by 10?

• We subtract one zero from the product
• We add one zero to the product
• We multiply the product by 10
• We divide the product by 10

What happens when we multiply by 100?

• We subtract two zeros from the product
• We add two zeros to the product
• We multiply the product by 100
• We divide the product by 100

What happens when we multiply by 1000?

• We subtract three zeros from the product
• We add three zeros to the product
• We multiply the product by 1000
• We divide the product by 1000

What is the correct multiplication of 5 x 80?

• 400
• 450
• 500
• 550

What is the correct multiplication of 7 x 60?

• 420
• 480
• 540
• 600

What is the correct multiplication of 5 x 800?

• 4,000
• 4,500
• 5,000
• 5,500

What is the correct multiplication of 3 x 200?

• 300
• 400
• 500
• 600

What is the correct multiplication of 5 x 8000?

• 40,000
• 45,000
• 50,000
• 55,000

What is the correct multiplication of 4 x 7000?

• 28,000
• 32,000
• 36,000
• 40,000