Different forms
Using Properties
Add or Subtract
Compare Decimals
Rounding
100

Write the following number in standard form: 

One hundred and twenty five hundredths

100.25

100

Add these numbers using the commutative property (rewrite the numbers to show the order you are adding in)

0.1 + 0.4 + 0.9 = ?

0.1 + 0.9 + 0.4 =

= 1.4

100

2.5 - 1.3 = ?

1.2

100

Which number is greater?

0.3 or 0.6

0.6

100

Round 18.2 to the nearest tens place.

20.0
200

write the following number in word form:

9.57

nine and fifty seven hundredths

200

Add these numbers using the associative property (use parenthesis to show which numbers you are adding together first)

2.57 + 1.7 + 5.3 = ?

2.57 + (1.7 + 5.3) = 

2.57 + (7) =

= 9.57

200

23.25 + 12.2 = ?

35.45

200

Which number is greater?

1.45 or 1.2

1.45

200

Round 17.641 to the nearest whole number.

18.000

300

Write this number in standard form:

seventeen thousand and one hundred six thousandths

17,000.106

300

Add these numbers using the commutative property (rewrite the numbers to show the order you are adding in)

6.92 + 2.91 + 2.08 = ?

6.92 + 2.08 + 2.91 =

= 11.91

300

276.25 + 13.45 = ?

289.70
300

Which number is greater?

0.3 or 0.03

0.3

300

Round 3.056 to the nearest hundredth place.

3.060

400

write the following number in expanded form:

150.35

100 + 50 + 0.3 + .05

400

Add these numbers using the associative property (use parenthesis to show which numbers you are adding together first)

6.8 + 9.2 + 2.85 = ?

(6.8 + 9.2) + 2.85 = 

= 18.85

400

4.72 - 3.93 = ?

0.79

400

Which number is greater?

1.05 or 1.23

1.23

400

Round 43.649 to the nearest tenth

43.600

500
write the following number in expanded form:


652.49


For bonus points write the number in expanded form using powers of ten

600 + 50 + 2 + 0.4 + 0.09


(6x100) + (5x10) + (2x1) + (4x1/10) + (9x1/100)

500

Add these numbers using the commutative and associative property (rewrite the numbers and use parenthesis to show which numbers you are adding together first)

5.402 + 5.4 + 9.6 + 3.598 = ? 

(5.402 + 3.598) + (5.4 + 9.6) = 

= (9) + (15) 

= 24

500

37.14 - 8.63 = 

28.51

500

Which number is greater?

23.03 or 23.030

They are equal!

500

Round 34.995 to the nearest hundredth

35.000