Decimals

Place Value

100

What is a place value?

the value of each digit in a number

200

Give an example of a number with a 5 in the tens place. 

4.59 

300

What place value is the 3 in? 44.302

tenths 

400

What place value is the 7 in for the number 60.887

thousandths

500

What place value is the 9 in for the number 4.5559

Ten thousandths

Adding Decimals

100

Do we line up the decimals when we add?

YES

200

Add 22.4 + 3.34

25.74

300

Add 344.56 + 43.990

388.55

400

Add 22.3444 + 9.22 

31.5644

500

Add 44.4 + 4

48.4

Subtracting Decimals

100

Do we line up the decimals when we subtract?

YES

200

Subtract 2.1 - 1.2 

.9

300

Subtract 30.1 - 18.22

11.88

400

Subtract 4.501 - 2.09

2.411

500

Subtract 7.999 - 4 

3.999

Multiplying Decimals

100

Do you line up the decimals when we multiply?

NO

200

Multiply 3.24 x 5 

16.2

300

Multiply 5.5 x 4.5 

24.75

400

Multiply 4.23 x 6.1 

25.803

500

Multiply 9.2 x .21 

19.32

MISC

100

Add 3.44 + 3.21

6.65

200

Multiply 3.33 x 3.1

10.323

300

What is the best subject ever??

MATHHHHHHHH!

400

What is Cassie's favorite color? 

PINK

500

What is Cassie's middle name?

Grace