Write in expanded notation.

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

Let’s Review x 100 = x 10 = 20

Let’s Review Core Lesson Decimal Place Values tenths hundredths thousandths ones

Let’s Review Core Lesson Decimal Place Values tenths hundredths thousandths ones

Let’s Review Core Lesson (4 x ) 1 10 ( 1 x ) (8 x ) tenths hundredths thousandths ones =

Let’s Review Core Lesson (0.400)(0.010)(0.008) =

Let’s Review Core Lesson (3 x ) 1 10 ( 2 x ) (4 x ) = tenths hundredths thousandths ones

Let’s Review Core Lesson (0.300)(0.020)(0.004) =

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

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

Let’s Review Guided Practice (0.700)(0.060)(0.003) =

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.

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.

Let’s Review Quick Quiz Write in expanded notation. Write in expanded notation.