Number Sequence Problems

Number Sequence Problems

1. How many matches to make seven houses like this:

1 house	2 houses	3 houses	4 houses	5 houses	6 houses	7  houses
5	9	13	17	21	25	29

You need __29_ matches. Rule:add 4

2. How many pegs are needed to hold 12 towels on the line?

1 Towel	2 Towel	3 Towel	4 Towel	5 Towel	6 Towel
2 pegs	3 pegs	4 pegs	5 pegs	6 pegs	7 pegs
7 Towel	8 Towel	9 Towel	10 Towel	11 Towel	12 Towel
8 pegs	9 pegs	10 pegs	11 pegs	12 pegs	13 pegs

You need _13__ pegs to hold 12 towels. What is the rule?add 1

3. How many sticks are needed to make 10 diamonds:

1 Diamond	2 Diamond	3 Diamond	4 Diamond	5 Diamond
4 sticks	8 sticks	12 sticks	16 sticks	20 sticks
6 Diamond	7 Diamond	8 Diamond	9 Diamond	10 Diamond
24 sticks	28 sticks	32 sticks	36 sticks	40 sticks

You need __40__ sticks to make 10 diamonds. What is the rule?add 4

4. How many sticks needed to make 12 triangles (t):

1 t	2 t	3 t	4 t	5 t	6 t
3 sticks	5 sticks	7 sticks	9 sticks	11 sticks	13 sticks
7 t	8 t	9 t	10 t	11 t	12 t
15 sticks	17 sticks	19 sticks	21 sticks	23 sticks	25 sticks

You need __25__to make 12 triangles. What is the rule?add 2

5.   How many sticks will be needed to finish the following pattern of 6?

Shape 1	Shape 2	Shape 3	Shape 4	Shape 5	Shape 6
1 sticks	2 sticks	3sticks	4 sticks	5 sticks	6 sticks

You need __6__ sticks to make 6 shapes. What is the rule?add1

6. Below draw how many apples are needed to make a pile five rows high and fill in the table with your answers?

                                                   

                                       

                   

1 Row	2 Rows	3 Rows	4 Rows	5 Rows
1  Apples	3 Apples	6 Apples	10 Apples	15 Apples

each additional row increases by 1.