Name that Place Value
Say My Name?
Adding/Subtracting Decimals
Multiplying Decimals
Vocabulary & Rules
100

The number 4 is in which place value?

24.65

ones

100

How do you say  24.6?

24 and 6 tenths

100

3.25 - 1.1

2.15

100

8.31  x  2



16.62

100

The answer to an addition problem is called the

SUM

200

The number 7 is in which place value?

1734.26

hundreds

200

How do you say   100.8?

100 and 8 tenths
200

 3.2 + 1.4

4.6

200

4.25  x  4



17

200

The answer to a subtraction problem is known as the

DIFFERENCE

300

The number 9 is in which place value?

421.987

tenths

300

How do you say 324.98

324 and 98 hundredths

300

  DAILY DOUBLE

 101.32 - 45.89

55.43

300

  83.96  x  .2

16.792

300

The answer to a multiplication problem is know as the

PRODUCT

400

The number 5 is in which place value?

94.157

hundredths

400

How do you say 1.732?

1 and 732 thousandths

400

 76 + 9.85

85.85

400

53.56  x  .4



21.424

400

When adding and subtracting decimals always start by lining up the decimals or lining up the digits?

Lining up the decimals!

500

The number 2 is in which place value?

6,724.832

thousandths 

500

How do you say 0.512?  


512 thousandths or 0 and 512 thousandths

500

 5621.8 - 3225.4



2396.4

500

6.15  x  3



18.45

500

When multiplying decimals, how do you know where to put the decimal in your ANSWER?

1.  Count how many digits are AFTER the decimal point in EACH number.

2.  Add together

3.  In your answer, move the decimal point that many places to the LEFT.