Powers of ten
Write and express Decimals
Rounding Decimals
Compare Decimals
Add and Subtract Decimals
100

6 x 103 =

6,000

100

Write twenty one and twelve thousandths as a decimal in standard form.

21.12

100

Round 3.18 to the nearest tenth.

3.2

100
Compare 3.5 and 3.05, which is larger? 

3.5

100

Rah'Mirah bought 2 items at the Disney Store. She bought a Stitch stuffed animal for $6.99 and a Stitch blanket for $9.99. How much money did she spend in all? 

$16.98

200

.3 x 103 =

300

200

Which is larger?

.09   OR  0.9  

How much larger is it? 

.9 because it is ten times bigger in the place value to the right.

200

Round 43.456 to the nearest tenth.

43.5

200

Compare 21.17 and 2.117, which is larger? 

21.17

200

Dylan went to the mall with $20 dollars he got from his birthday. He found a lego kit for $17.99. How much money does he have left to spend? 

$2.01

300

0.5 x 10 =

50

300

Write the following in a decimal in standard form:

3 x1 + 8 x 1/100 + 7 x 1/1000

3.087

300
Round to the nearest whole number:


7.800

8

300

Compare .429 and .492, which is smaller? 

.429

300

Roselyn wanted a new notebook and pencil set from Amazon. It cost $16.85. If she has $8.43 saved and will earn $8.50 for babysitting, will she have enough money to make her purchase? 

Yes, she will have $16.93
400

 10?  x  0.004 = 40

104

400

How do you express 9.25 in expanded form?

(1x9) + (2 x 1/10) + (5 x 1/100)

400

Round to the nearest hundredth:

9.574

9.57

400

Compare 0.08 and 0.080. Use greater than, less than or equal sign. 

0.08 = 0.080

400

Bryce has $8.00 in his pocket. He earns $11.50 for doing chores at home. He spends $9.89 on his favorite snacks and drinks at Cedar.  How much money does Bryce have left?

$9.61

500

.4 is how many times larger than .04? 

10 times more

500

Write this number in standard form:

ninety two and 2 hundred five thousandths

92.205

500
List all the numbers that round to 7.6:


7.613,  7.539, 7.49, 7.57

7.613 AND 7.57

500

Compare 55.06 and 55.60 using a greater than, less than or equal sign. 

55.06  < 55.60

500

The cand story is offering a sale on leftover Valentines candy.  The prices are listed at 5.99 a pound, 3.89 a pound, and 6.50 a pound. What is the difference between the highest and lowest cost items in the chocoloate store?

$2.61 a pound