Standard, Expanded, and Word Form
1/10 or 10x as much?
Comparing Decimals
Rounding Decimas
Halloween/Fall Trivia
100

Write this number in standard form: five hundred twelve and 6 tenths.

512.6

100

In the number 51.33 the three in the tenths is worth 10x as much as the 3 in the hundreths or 1/10 the value?

It is worth 10x as much

100

Compare these two values

0.1 and 0.5

0.5 is greater than 0.1   

100

Round to the nearest tenth: 

12.41

12.4

100

What is known as bad luck if it crosses your path?

A black cat!

200

Write this number in expanded form: 134.65

100 + 30 + 4 + 0.6 + 0.05

200

In the number 120.077 the 7 in the thousandths place is worth 1/10th or 10x as much as the digit to the left?

It is worth 1/10 of the digit of the left. 

200

Compare the two values: 

1.21 and 1.25

1.25 is greater than 1.21

200

Round to the nearest tenth: 

124.345

124.350

200

What is orange, white, and yellow and seen often during halloween time?

Candy corn!

300

Write this number in word form: 214.036

two hundred fourteen and thirty-six thousandths. 

300

In the number 806,270, the digit 2 is worth 10x more or 1/10 of the 2 in the number 12,567?

It is worth 1/10 of the digit in 12,567

300

Compare the two values: 


315.05 and 315.19

315.19 is greater than 315.05

300

Round to the nearest hundreth:

115.838

115.840

300

Bats use this special sense to see things in the dark

Echolocation

400

Write this number in expanded form using fractions: 

560.75

500 + 60 + 7/10 + 5/100

400

In the number 144,512, the number 4 is worth 1/10 or 10x as much as the digit in the ten thousands place?

It is worth 1/10 as much because 4,000 is 1/10 or 40,000

400

Compare the two values: 

413.0998 and 413.0924

413.0998 is greater than 413.0924

400

Round to the nearest thousandth:

10.0634

10.063

400

This spooky weather happens when clouds touch together and it's hard to see.

Fog

500

Write this number in word form: 

1,304.0987

One thousand three hundred four and nine hundred eighty-seven ten thousandths. 

500

A centimeter is 0.01 meter. A millimeter is 0.001 meter. How does the length of 1 centimeter compare to the length of 1 millimeter? 

1 cm is worth 10x as much as 1 mm

1mm is 1/10 the value of 1cm

500

Compare the two values: 


29.9034 and 29.90234

29.9034 is greater than 29.90234

500

Bill rounded the number 12.448 to the nearest tenth and got 12.5. Is Bill correct why or why not?

Bill is not correct because when rounding to the nearest tenth the number 4 would stay the same. 

500

What vegetable was first used to make jack-o’-lanterns before pumpkins?

Turnips