Fraction Review

Adding/Subtracting w Common Denominator

100

4/6+1/6

5/6

200

4/9+3/9

7/9

300

5/8 - 2/8

3/8

400

13/21- 6/21

7/21

500

14/20 - 7/20

7/20

Adding/Subtracting w Unlike Denominator

100

1/2 - 1/6

2/6

200

5/7 - 2/3

1/21

300

1/2 + 7/12

13/12 OR 1 1/12

400

2/8 + 4/24

10/24

500

7/9 - 2/5

17/45

Protractor / Word Problems Understanding

100

This is what happens when the angle moves to the left

Angle moves COUNTERCLOCKWISE

200

This operation is used when the word problem asks for you to cut off to the right length.

What is SUBTRACTION

300

This is what happens when the angle moves to the right

What is CLOCKWISE

400

In a word problem, when there are two numbers and the question and the question asks, "How much more is needed?"  This operation is used

What is SUBTRACTION

500

These are the differences between:

ACUTE angle

OBTUSE angle

What is:

ACUTE  - less than 90 degrees

OBTUSE - more than 90 degrees

Adding mixed numbers

100

2 1/8 + 3 1/4

5 3/8

200

2 1/4 + 1 1/4

3 2/4

300

4 1/4 + 3 2/4

7 3/4

400

5 4/5 + 6 2/3

12 7/15

500

8/10 + 4 2/5

5 2/10

Subtracting mixed numbers

100

3 3/4 - 2 1/4

1 2/4 or 1 1/2

200

7 3/4 - 5 2/4

2 1/4

300

6 2/4 - 1 1/4

5 1/4

400

7 9/16 - 3 7/8

3 11/16

500

7 1/8 - 4 1/2

2 5/8