Rounding
Mult. & Dividing by powers of 10
Comparing
Adding, Subtracting, Multiplying & Dividing Decimals
Word Problems
100

Round to the nearest tens place.

659.32

What is 660.00

100
Multiply 5.4 x 10

What is 54?

100

Compare 0.4 and 0.127 by using <, >, or =.

What is 0.4 > 0.127.

100

 Add 2.5 + 0.57

What is

3.07

100

Will and Finley bought snacks for the movie. They buy chips for $3.42, gummy bears for $1.79, and soda for $3.99. How much did they spend in all? 

What is...

Will and Finley spent $9.20 on snacks. 

200

Round to the nearest tenth.

3.083

What is 3.1

200

Divide 5.8 by 100.

What is 0.058?

200

Compare 2 thousandths + 4 hundredths and 0.048 by using <, >, or =


What is 0.042 < 0.048

200

Subtract:

5.09 - 3.26

What is 1.83

200

If Alexa earned $25.75 in allowance for the week and spent $8.65 of it. How much did she have left? 

What is 

Alexa will have $17.10 left. 

300

Round to the nearest whole number.

4.58

What is 5?

300

Multiply 7.85 x 104

What is 78,500?

300

Compare:

35 tenths and 3.4 by using <, >, =.

What is 

3.5 > 3.4

300

Subtract:

15.003 - 11.889

What is 

3.114

300

Mr. Smith gave $158 and split it equally between his four grandchildren. How much did they each receive? 

What is

Each child received $39.50. 

400

If your rounded number is 1.3 what numbers could have been your original number? 

1.252,       1.395,        1.356,         1.338

What is 1.252 and 1.338?

400

Model the number 8.88 on the place value chart and explain why each of the digits have a different value. 

Be sure to use "ten times as large" or "one-tenth as large"

What is...

8 ones is ten times larger than 8 tenths, and 8 hundredths is 1/10 as large as 8 tenths. 

400

Compare:

3 x 1/10 + 4 x 1/1000 and 0.340 by writing the expanded form in standard form and using <, > =.

What is...

0.304 < 0.340

400

Multiply 3.26 x .8

What is 

2.608

400

A table and 8 chairs weigh 235.68 lbs together. If the table weighs 157.84 lb, what is the weight of one chair in pounds? 

What is...

One chair weighs 9.73 lbs.

500

Round all of the race totals to the nearest tenth.

0.97 sec

0.935 sec

1.6

1.269

What is....

1.0

0.9

1.6

1.3

500

Explain what places each number will be when you divide 5.68 by 102.




What is...

the five will be in the hundredths place, the 6 in the thousandth place, and the 8 will be in the ten-thousandths place. 

500

Compare 

4 x 10+ 2 x 100 + 3 x 1/10 + 3 x 1/100 + 5 x 1/1000 and

4 x 1000 + 2 x 102 + 4 x 1/10 + 5 x 1/1000 by writing the expanded form in standard form and writing <, >, =

What is 

4,200.335 < 4,200.405

500

Divide:

5.241/3

What is 1.747

500
Mrs. Cleaver mixed 1.24 Liters of red paint with 3 times as much blue paint to make purple paint. She pours the paint equally into 5 containers. How much blue paint is in each container? 

What is 

0.744 L

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