1. Write 0.324 in expanded notation.

2. In this lesson you will learn to write decimals in expanded notation by dividing each digit by a unit fraction.

3. Let’s Review 320 210 2 x 100 = 200 2 x 10 = 20

4. Let’s Review Core Lesson Decimal Place Values tenths hundredths thousandths ones 1 111 10100 1000

5. Let’s Review Core Lesson Decimal Place Values tenths hundredths thousandths ones 1 111 10100 1000 0814

6. Let’s Review Core Lesson (4 x ) 1 10 ( 1 x ) 1 100 (8 x ) 1 1000 ++ tenths hundredths thousandths ones 0814 0.418 =

7. Let’s Review Core Lesson (0.400)(0.010)(0.008) ++ 0.418 =

8. Let’s Review Core Lesson (3 x ) 1 10 ( 2 x ) 1 100 (4 x ) 1 1000 ++ 0423 0.324 = tenths hundredths thousandths ones

9. Let’s Review Core Lesson (0.300)(0.020)(0.004) ++ 0.324 =

10. In this lesson you have learned to write decimals in expanded notation by multiplying each digit by a unit fraction.

11. Let’s Review Guided Practice Write 0.763 in expanded notation. tenths hundredths thousandths ones 0367 (7 x ) 1 10 ( 6 x ) 1 100 (3 x ) 1 1000 ++ 0.763 =

12. Let’s Review Guided Practice (0.700)(0.060)(0.003) ++ 0.763 =

13. Let’s Review Extension Activities What’s My Number? Step 1: Get a partner. Get 10 index cards and write the numbers 0 -9 on the cards. Place the cards face down. Step 4: The person with the largest number wins. Start over by picking 3 new cards. Step 2: Taking turns pick up three cards. Create the largest decimal number you can. Step 3: Write the number in expanded notation.

14. Let’s Review Extension Activities Building Numbers Step 1: Get a partner, a decimal mat, and a spinner with numbers 0 -9 on it. Step 4: Record which of these numbers is greatest and which is least. Step 2: Taking turns spin the spinner three times and record each spin. Step 3: Record a three-digit decimal number, then rearrange the digits to see how many three digit numbers you can make.

15. Let’s Review Quick Quiz Write 0.546 in expanded notation. Write 0.897 in expanded notation.