1. Algebra 1
Level 3
1. Rules
Each rule below makes a sequence.
Use the rule to write the next two numbers for each sequence.
Rule: Add 3 to the last number
2 5 8 ............. .............
1 mark
Rule: Double the last number then add 1
2 5 11 ............. .............
1 mark
Rule: Multiply the last number by 3 then subtract 1
2 5 14 ............. .............
1 mark
Brewood CE C Middle School 1

2. 2. Sequence
Look at this number sequence.
Write the missing numbers in the boxes.
2 9 1 6 2 3
5 1 2 2 6
2 marks
3. Sequence of numbers
This sequence of numbers goes up in 10s.
7 1 8 1 9 1 1 0 1 1 1 1
(a) A different sequence of numbers goes up in 40s.
Write the missing numbers in this sequence.
8 0 5 8 4 5 8 8 5
2 marks
Brewood CE C Middle School 2

3. (b) Another sequence of numbers goes down in 15s.
Write the missing numbers in this sequence.
3 0 1 54 5
2 marks
4. Number chains
(a) Fill in the missing numbers in these number chains.
Rule: Add 3 each time.
1 4 7 1 0
1 mark
Rule: Multiply by 2 each time.
1 2 4 8
1 mark
Brewood CE C Middle School 3

4. (b) Here is a different number chain.
What could the rule be?
Fill in the rule. Then use the rule to write in the missing number.
Rule: ............................... each time.
1 mark
2 0 1 6 1 2 8 4
6
1 mark
Brewood CE C Middle School 4