iReady Unit 2

Understand Decimal Place Value/Read and Write Decimals

100

4 = ______ x 10

0.4

200

.04 = ____ x 10

.004

300

Which one is true?

.07 x 100 = .7

.7 / 10 = .07

.7 x 100 = .07

.07 / 10 = .7

.7 / 10 = .07

400

Write this number in standard form

three and fifty-four thousandths

3.054

500

Write this number in standard form

(8 x 1) + (1 x .01) + (6 x .001)

8.016

Understand Powers of 10

100

10 x 10 x 10 x 10 = 

10⁴

200

50 x 10^{3 =} 

50,000

300

5.26 x 10^{2 =} 

526

400

.6 / 10^{2 =} 

.006

500

900 / 10^{3 =} 

.9

Add and Subtract Fractions

100

What common denominator can be used when adding the following fractions?

1/2 , 2/5

10

200

What common denominator can be used to add the  following fractions?

3/4 , 1/6

12, 24, 36, 48

300

3/8 + 5/12 = 

19/24

400

3/4 - 3/8 = 

3/8

500

2 and 7/9 - 1 and 5/6 = 

17/18

Compare and Round Decimals

100

What is 7.429 rounded to the nearest hundredth?

7.43

200

Write out the entire expression

<, > or =

19.657 ______ 19.67

19.657 < 19.67

300

Write out the entire expression

<, > or =

70.24 __ 70.240

70.24 = 70.240

400

True or False

6.647 rounded to the nearest tenth is 6.6

True

500

What is 12.807 rounded to the nearest hundredth?

12.81

Add and Subtract Decimals

100

7.38 + 11.5 = 

18.88

200

5.67 + 2.5 = 

8.17

300

.7 - .31 = 

.39

400

4.28 - 2.85 = 

1.43

500

11.03 + 2.67 + .9 = 

14.6