Grade 7 Unit Test Review!

Divisibility Rules

100

Is 3,466,796 divisible by 2? 

Yes!

200

What is the divisibility rule of 6?

The number is divisible by both 2 and 3

300

Is 10435 divisible by 3?

No

400

What is the divisibility rule of 9?

Sum of the digits is divisible by 9

500

Is 342,024 divisible by 8?

Yes!

Adding + Subtracting Fractions (Like Denominators)

100

3/6 +1/6

4/6

200

6/14 + 7/14

13/14

300

28/45 - 12/45

16/45

400

16/20 - 14/20 

2/20 → 1/10

500

1 - 3/6

3/6 → 1/2

Finding Common Denominator

100

Find the common denominator and convert the fractions for:

3/4 and 6/8

6/8 and 6/8 

200

Find the common denominator and convert the fractions for: 

5/8 and 1/2

5/8 and 4/8

300

Find the common denominator and convert the fractions for: 

8/12 and 2/6

8/13 and 4/12

400

Find the common denominator and convert the fractions for: 

2/8 and 5/6

6/24 and 20/24

500

Find the common denominator and convert the fractions for: 

4/15 and 5/6

8/30 and 25/30

Adding + Subtracting Fractions (Unlike Denominators)

100

1/2 + 1/3

5/6

200

1/2 - 2/5  

1/10

300

1/3 + 3/5

14/15

400

4/9 + 2/6

14/18 → 7/9

500

9/10  - 2/4

8/20 → 2/5

Adding Mixed Numbers

100

2 3/4 + 1 1/2

4 1/4

200

4 3/6 - 2 1/3

2 1/6

300

Turn 5 3/6 into an improper fraction

33/6

400

7 11/12 - 2 3/4

5 2/12 → 5 1/6

500

5 2/7 + 3 1/2

8 11/14