Building and Breaking Decimals (Composing & Decomposing Decimals

Multiple Select

Decompose the decimal number. Choose all that apply.

• 15 ones + 2 tenths + 2 hundredths + 9 thousandths

• 15 tens + 22 tenths + 9 hundredths

• 1 ten + 5 ones + 2 tenths + 9 hundredths

• 1 ten + 5 ones + 2 tenths + 2 hundredths + 9 thousandths

Multiple Select

Decompose the decimal number. Choose all that apply.

• 7 tens + 202 tenths

• 7 tens + 2 tenths + 2 thousandths

• 70 ones + 20 hundredths + 2 thousandths

• 70 hundreds + 202 hundredths

Multiple Select

Decompose the decimal. Select all that apply.

195.025

• 1 hundred + 9 tens + 25 tenths

• 1 hundred + 9 tens + 5 ones + 25 thousandths

• 195 tens + 25 hundredths

• 195 ones + 2 hundredths + 5 thousandths

Multiple Select

Decompose the decimal. Select all that apply.

200.999

• 200 tens + 999 tenths

• 2 hundreds + 99 hundredths

• 2 hundreds + 9 tenths + 99 thousandths

• 200 ones + 9 tenths + 9 hundredths + 9 thousandths

Open Ended

The Sun is about 4.603 billion years old. What are some different ways you could decompose this decimal number?

Multiple Choice

What number is composed of 1 hundred, 5 tens, 3 tenths, 2 hundredths and 1 thousandth?

• 105.321

• 150.321

• 100.5321

• 105.0321

Multiple Choice

What number is composed of 30 ones, 5 hundredths, and 2 thousandths?

• 3.520

• 30.52

• 03.520

• 30.052

Open Ended

What number is composed of 7 hundreds, 2 tens, and 35 thousandths?

Open Ended

What number is composed of 2 hundreds, 11 ones, 20 hundredths, and 8 thousandths?

Open Ended

Write your own decimal number to the thousandths. Write the different ways you can decompose your decimal number.

Poll

How do you feel about composing and decomposing decimals?

• 4: I am a professor at this

• 3: I am a wizard

• 2: I am feeling like a squib

• 1: I am still stuck feeling like a muggle