Unit 2 Review

All Things Understanding Decimals

100

Write this in numeric form:

eight and eleven hundredths

8.11

200

Round to the nearest hundredth

0.854

0.85 or 0.850

300

Write this in word form:

700.06

seven hundred and six hundredths

400

100.32 _______ 100.232

>,<, or =

100.32 > 100.232

500

Write two different decimals that are the same value when rounded to the nearest tenth.

Answers will vary

Add and Sub Decimals

100

0.24 + 4.25

4.49

200

0.909 + 4.09

4.999

300

9.46 - 3.68

5.78

400

105.53 - 99.28

6.25

500

12 - 4.39

7.61

Powers of 10

100

What is the value of 10⁴

10,000

200

0.3x10²

30

300

7,200 divided by 10³

7.2

400

0.025 x ____ = 2.5

What is the missing power of 10?

10²

500

2.5 x ____ = 25,000

What is the missing power of 10?

10⁴

Adding Fractions

100

What are the two steps when simplifying fractions?

1. Is it improper? Yes- Divide

2. Find GCF

200

Why do you have to find the LCM, and what do you use it for?

Because they have unlike or different denominators and you use it for a new denominator!

300

1/3 + 1/4

7/12

400

3/2 + 3/5

2 1/10

500

2 3/4 + 1/3

3 1/2

Subtracting Fractions

100

How do you regroup when your first fraction is too small?

Borrow from the whole number, add the bottom to the top

200

1/2 - 1/4

1/4

300

5/6 - 5/12

5/12

400

5/6 - 3/8

11/24

500

2 1/8 - 1/4

1 7/8