Math Unit 3 Review: Decimals

Word Problems

100

You have 8.165 feet of yarn and use 3.28 for a craft project. How much yarn do you have left?

You must say the answer in correct word form

4.885

Four AND Eight Hundred Eighty Five Thousandths

200

You have 2.3 cups of apple juice, 4.67 cups of sprite, and 5.629 cups of cranberry juice. If you mix it all together to make fizzy punch, how many cups will you have?

You must say the answer in correct word form

12.599

Twelve AND Five Hundred Ninety Nine Thousandths

300

You go to the store with $35.37 in your pocket. You buy a stuffed toy for $4.38 and a candy bar for $2.13. How much money do you have left?

Must say answer in correct word form

$28.86

Twenty Eight AND Eighty Six Hundredths

400

You had $123.56 in your piggy bank. You put in another $15.36 from doing chores, but then remove $25.06 a few weeks later to buy a video game. How much money do you have all together in your piggy bank afterwards?

You must say the answer in correct word form

$113.86

One Hundred Thirteen AND Eighty Six Hundreths

500

You have Nine Hundred Eighty Two and Four Tenths Pounds of Peanut Butter and use Sixty Seven and Eight Hundred Ninety Six for some cookies. How much Peanut Butter do you have left?

You must say the answer in correct word form

914.504

Nine Hundred Fourteen AND Five Hundred Four Thousandths

Number Form & Expanded Form

100

Write Three Hundred Four and Six Tenths in NUMBER FORM

304.6

200

Write 234.68 in EXPANDED FORM (BY PLACE VALUE)

200 + 30 + 4 + 0.6 + 0.08

300

Write Sixty Six Thousand Four Hundred Eighty Two and Five Hundred Ninety Three Thousandths in NUMBER FORM

66482.593

400

Write 5926.726 in EXPANDED FORM (BY PLACE VALUE)

5000 + 900 + 20 + 6 + 0.7 + 0.02 + 0.006

500

Write the answer in NUMBER FORM and EXPANDED FORM (BY PLACE VALUE)

Five and Three Tenths - Two and Twenty Five Hundredths + Six Hundred and Eight Thousandths

603.058

AND

600 + 3 + 0.05 + 0.008

Rounding

100

Round to the nearest Whole Number:

23.987

You must say the answer in correct Word Form

24

Twenty Four

200

Round to the nearest Tenth:

35.715

You must say the answer in correct Word Form

35.7

Thirty Five AND Seven Tenths

300

Round to the nearest Hundredth:

489.253

You must say the answer in correct Word Form

489.25

Four Hundred Eighty Nine AND Twenty Five Hundredths

400

Round to the nearest Thousandth:

5827.5296

You must say the answer in correct Word Form

5827.53 OR 5827.530

Five Thousand Eight Hundred Twenty Seven AND Fifty Three Hundredths

OR

Five Thousand Eight Hundred Twenty Seven AND Five Hundred Thirty Thousandths

500

Round the answer to the nearest Hundredth:

24.3 - 16.738 + 3.15

You must say the answer in correct Word Form

10.712

Ten AND Seven Hundred Twelve Thousandths

Ordering

100

Order these numbers from LEAST to GREATEST:

3.401    3.41  3.041  30.004    

You must say each number in proper word form

3.041, 3.401, 3.41, 30.004

Three AND Forty One Thousandths

Three AND Four Hundred One Thousandths

Three AND Forty One Hundredths

Thirty AND Four Thousandths

200

Order these numbers from LEAST to GREATEST:

2.5    2.005    25.505     25.05    25.50  

You must say each number in proper word form

2.005, 2.5, 25.05, 25.50, 25.505

Two AND Five Thousandths

Two AND Five Tenths

Twenty Five and Five Hundredths

Twenty Five and Five Tenths (OR Fifty Hundredths)

Twenty Five and Five Hundred Five Thousandths

300

Order these numbers from LEAST to GREATEST:

6.06    0.606    6.6    0.66      6.006 

You must say each number in proper word form

0.606, 0.66, 6.006, 6.06, 6.6

(Zero AND) Six Hundred Six Thousandths

(Zero AND) Sixty Six Hundredths

Six AND Six Thousandths

Six AND Six Hundredths

Six AND Six Tenths

400

Order these numbers from LEAST to GREATEST:

3.33  0.3  33.3   0.33   0.033    3.003

You must say each number in proper word form

0.033, 0.3, 0.33, 3.003, 3.33, 33.3

(Zero AND) Thirty Three Thousandths

(Zero AND) Three Tenths

(Zero AND) Thirty Three Hundredths

Three AND Three Thousandths

Three AND Thirty Three Hundredths

Thirty Three AND Three Tenths

500

Order these numbers from LEAST to GREATEST:

77.7    77.07    70.007    70.7   70.0007   77777.77

You must say each number in proper word form

70.0007, 70.007, 70.7, 77.07, 77.7, 77777.77

Seventy AND Seven Ten Thousandths

Seventy AND Seven Thousandths

Seventy AND Seven Tenths

Seventy Seven AND Seven Hundredths

Seventy Seven AND Seven Tenths

Seventy Seven Thousand Seven Hundred Seventy Seven AND Seventy Seven Hundredths

Powers of Ten (Double or Nothing)

100

0.34 x 10

You must SAY the answer in proper word form

3.4

Three AND Four Tenths

200

2560 / 1000

You must SAY the answer in proper word form

2.56

Two AND Fifty Six Hundredths 

OR

Two AND Five Hundred Sixty Thousandths

300

234.78 x 100000

You must SAY the answer in proper word form

23,478,000

Twenty Three Million Four Hundred Seventy Eight Thousand

400

0.0257 x 10

0.257

Zero AND Two Hundred Fifty Seven Thousandths

OR

Two Hundred Fifty Seven Thousandths

500

( (65.7 x 10) - (234.8 / 100) ) + 5.6 

660.252

Six Hundred Sixty AND Two Hundred Fifty Two Thousandths