True/False
Adding Decimals
Subtracting Decimals
Place Value
Rounding
Odds and Ends
100
When adding and subtracting decimals, you always include the decimals.

True

100

43.14 + 5.12 = 

48.26

100

20.8 - 7.34=

13.46

100

What number is in the hundredths place?

4,845.67

7

100

Round 39.99 to the nearest hundredth

40 or 40.00

100

Rewrite the decimals in order from least to greatest

9.49, 9.467, 9.497, 9.429

9.429, 9.467, 9.49, 9.497

200

When adding and subtracting decimals, you always put the longer number on top. 

Ex: 6.8 and 1.37

 False, only if the number is larger in value!

200

114.73 + 68.1=

182.83

200

34.63 - 27.9=

6.73

200

What number is in the ten thousands place?

279,238.09

7

200

Round 9.12 to the nearest whole number

9

200

Create 3 numbers that would be rounded to 8.2 and prove your answer with strategies

Answers may vary

300

Adding and subtracting decimals is the same as adding and subtracting any numbers, except you bring down the decimal point. 

 It's actually true! Phew!

300

0.79 + 0.45 =

1.24

300

15- 0.48=

14.52

300

What number is in the tenths place?

9.12

1

300

Round 7.35 to the nearest tenth

7.4

300

Write the following number in standard form:

(2 x 10) + (3 x 1) + 

(1 x 1/10) + (5 x 1/100)

23.15

400

When adding and subtracting decimals, you should line up the decimal points.

True

400

17.82 + 3 =

20.82

400

87.4 - 38.82 =

48.38

400

What number is in the tens place?

76.9

 7

400

Round 5.92 to the nearest tenth

5.9 or 5.90

400

Write out the following number in expanded form.

1,587.33

(1 x1000) + (5 x 100) + (8 x 100) + (7 x 10) + 

(3 x 1/10) + (3 x 1/100) 

500

When adding and subtracting decimals, the decimal point doesn't matter.

False

500

111.7 + 102.81 =

214.51

500

105.65 - 62.33 =

43.32

500

When you read a number with a decimal, what do you say when you see the decimal?

AND

500

Round 16.99 to the nearest hundredth.

17 or 17.00

500

Put the following decimals in order from least to greatest.

            5.14     5.01     5.10      5.4      5  

5     5.01    5.10     5.14     5.4

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