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The next odd number after 133 is 135.

# Number Sequences (Year 4)

As you go through KS2 Maths, you'll explore cool things about number sequences! Not just the ones that go up, but also those that go down, like when numbers decrease by 25 each time. You'll even dive into odd and even numbers and see how they make patterns when you add or subtract them.

Finding patterns is like solving puzzles with numbers. Take this sequence: 20, 15, 10, 5. They're going down by 5 each time! What comes next? Let's subtract 5 from 5, and ta-da! The next number is 0.

Test your pattern skills with this fun quiz designed for 8-9 year olds. Ready for the challenge?

1.
Which of these statements is true?
After 1, every third number is even
After 1, every second number is odd
Every second number starting at 1 is odd.
Every second number starting at 2 is even
2.
What is the next number of the sequence? 140, 130, 120, 110
90
95
100
105
The numbers are decreasing by 10
3.
What is the next number of the sequence? 136, 140, 144, 148
150
152
154
156
The numbers are increasing in 4s
4.
Which of these statements is true?
An even number ends in 0, 2, 4, 6 or 8
An odd number ends in 0 or 5
An even number ends in 1, 3, 5, 7 or 9
An odd number ends in 0, 2, 4, 6 or 8
Even numbers end in 0, 2, 4, 6 or 8.
Odd numbers end in 1, 3, 5, 7 or 9
5.
Can you find the rule of this sequence? 5, 8, 11, 14, 17
The numbers increase in 2s
The numbers increase in 3s
The numbers increase in 5s
The numbers increase in 10s
Each number (except the first) is 3 more than the one before it
6.
Can you find the rule of this sequence? 125, 127, 129, 131, 133
The numbers increase in 2s
The numbers increase in 3s
The numbers increase in 5s
The numbers increase in 4s
The sequence would continue: 135, 137, 139, 141... etc
7.
What are the next two numbers of the sequence? 4, 8, 12, 16
18, 20
20, 22
20, 24
20, 26
The numbers are increasing in 4s
8.
Which is the next odd number after 151?
152
153
155
160
151 + 2 = 153
9.
Can you find the rule of this sequence? 45, 35, 25, 15, 5
The numbers decrease in 2s
The numbers decrease in 3s
The numbers decrease in 5s
The numbers decrease in 10s
Each number (except the first) is 10 less than the one before it
10.
Can you find the rule of this sequence? 50, 75, 100, 125, 150
The numbers increase in 20s
The numbers increase in 25s
The numbers increase in 5s
The numbers increase in 10s
Each number (except the first) is 25 more than the one before it
You can find more about this topic by visiting BBC Bitesize - What is a number sequence?

Author:  Amanda Swift