DECIMAL FORMS
POWERS OF TEN
Rounding/Comparing Decimals
Add and Subtract Decimals
Add and Subtract Mixed Numbers
100

WRITE THIS DECIMAL IN WORD FORM.

1.13

ONE AND THIRTEEN HUNDRETHS.
100

What is 103?


1,000

100

ROUND THIS DECIMAL TO THE NEAREST TENTH

5.54

5.5

100

ADD THESE TWO DECIMALS


34.5 + 56.7

91.2

100

3   2/3 - 2  11/12

9/12 OR 3/4

200

WRITE THIS DECIMAL IN STANDARD FORM.

TWO AND FORTY FOUR HUNDRETHS

2.44

200

What is 1.356 x 102?

135.6

200

USE <,> OR = TO COMPARE THESE TWO DECIMALS.


0.032____0.023

>

200

SUBTRACT THESE TWO DECIMALS

63.4-34.2

29.2

200

Daniella made 2 1/5 cups of lemonade on Wednesday and 1 1/2 cups of lemonade on Thursday. How much lemonade did she make on those two days combined?

3  7/10

300

Write this in standard form

8 x 1,000 + 5 x 100+ 3 x 10 + 1 x 0.1 + 2 x 0.01

8,530.12

300

What is 258.43 รท 100

2.5843

300

ROUND THIS DECIMAL TO THE NEAREST HUNDRETH

4.564

4.56

300

ADD THESE DECIMALS

23.89+30.1+54.78

108.77

300

Jake buys 1  1/2 yards of cloth. He uses 2/3 yard for a craft project. How much cloth, in yards, does Jake have left?

5/6 yards.

400

WRITE THIS DECIMAL IN EXPANDED FORM.


12.76

1 x 10 + 2 x 1 + 7 x 0.1 + 6 x 0.01

400

0.80 x ___ = 8.0

10

400

USE <,> OR = TO COMPARE THESE TWO DECIMALS


1.010_______1.01

=

400

SUBTRACT THESE DECIMALS


89.02-45.03

43.99

400

Kristin has 3  2/3 yards of plaid ribbon. She has 2  5/6 yards of polka-dot ribbon.

Estimate how many yards of ribbon Kristin has in all. Explain.

She has about 7 yards of ribbon because 3  2/3 would round to 4, and 2  5/6 would round to 3. 

500

Write this in standard form

3 x 100 + 2 x 1 + 3 x 0.1 + 8 x 0.001


302.804

500

What is 1,000 written as a power of 10 in exponent form?


103

500

ORDER THESE DECIAMLS FROM LEAST TO GREATEST


0.345, 0.354, 0.365, 0.325

0.325, 0.345, 0.354, 0.365

500

Which expression represent the sum 13.76 + 2.8?

A) 1 ten + 6 ones + 5 tenths + 6 hundredths

B) 15.84

C) fourteen and four hundredths

A) 1 ten + 6 ones + 5 tenths + 6 hundredths

500

Darius uses 1  2/4 cups of strawberries and 2  1/3 cups of blueberries to make a fruit
salad. He says this will make less than 3 cups of fruit salad because 1 + 2 = 3.

Is he correct?

He is not correct because when you add the mixed numbers (not just the whole numbers), you would get 3  10/12.