Lesson 6 Check Understand Place Value

Is the following equation true? 200 = 10 x 0.2

• Yes
• No

Is the following equation true? 2 = 10 x 0.2

• Yes
• No

Is the following equation true? 2 x 10 = 20

• Yes
• No

Is the following equation true? 0.002 x 10 = 0.2

• Yes
• No

Fill in the missing numbers. Multiply by 10: 0.4, _______ , 40 , _________

Fill in the missing numbers. Divide by 10: 600, ______ , ______ , 0.6

Is Equation A correct?

• Equation A is correct because multiplying a decimal number by 10 moves the decimal point one place to the right.
• Equation A is not correct because multiplying a decimal number by 10 moves the decimal point one place to the right.
• Equation A is correct because multiplying a decimal number by 10 moves the decimal point one place to the left.

Is Equation B correct?

• Equation B is correct because dividing a decimal number by 10 moves the decimal point one place to the right.
• Equation B is not correct because dividing a decimal number by 10 moves the decimal point one place to the right.
• Equation B is correct because dividing a decimal number by 10 moves the decimal point one place to the left.

Matt and Suni each collect a bag of seashells at the beach. Matt's bag has a mass of 0.007 kg and Suni's bag has a mass of 0.07 kg. Which statement compares the mass of their bags?

• The mass of Suni's bag is 10 more than the mass of Matt's bag.
• The mass of Matt's bag is 10 more than the mass of Suni's bag.
• The mass of Suni's bag is 10 times the mass of Matt's bag.
• The mass of Matt's bag is 10 times the mass of Suni's bag.

Complete the following equation. 0.05 x 10 = ?