194.000+ questions in the database 215 treasure hunts available Create your own treasure hunt in 1 minute Suitable for all ages Always free - unless you as a creator set a price for participants
Log in
Countries
FAQ About us Contact EN
Create treasure hunt

Number Sequences treasure hunt

Bring maths to life with our Number Series GPS scavenger hunts! Discover how numbers and patterns can be found all around us, from natural spirals to architectural elements. A perfect learning adventure that combines theory and practice.

Step 1 of 3 Free, so it costs you nothing! Really!

Next you pick the location(s) and select questions, your own or ours. 194.450 questions to choose from.

Made 2 days ago: Enkhuizen city walk in Enkhuizen

Number Sequences treasure hunt - GPS treasure hunt Mathematics

mathematics treasure hunts

No treasure hunts available yet

There are no treasure hunts for this subject yet. Be the first!

Be the first to create a mathematics treasure hunt

Featured this week: example questions for Number Sequences

New example questions from the library every Monday. Updated on 12 October 2026.

Which number comes before 4?
3 5 2 4
How many green circles do you see? ● ● ●
3 2 4 1
Count the red balloons: 1, 2, 3, ?
4 3 5 2
Which number comes after 4?
5 3 6 4
How many brown dots do you see? - -
2 1 3 4
Which number belongs to four wheels?
4 3 5 2
How many golden yellow suns are there? ☀ ☀ ☀ ☀ ☀
5 4 6 3
The frog jumps: 2, 4, 6, ... Which number does he jump to next?
8 7 9 10
Create a number sequences treasure hunt for Ages 3-4
Count backwards by 5: 25, 20, 15, ... What follows?
10 5 12 18
Which is missing: 14, 12, 10, ..., 6?
8 9 7 4
Which number is missing: 2, 4, 6, ..., 10?
8 7 9 12
Which row counts only odd numbers?
1, 3, 5, 7 2, 4, 6, 8 1, 2, 3, 4 5, 6, 7, 8
In the sequence 12, 10, 8, 6 count back by how many?
2 3 1 4
Which number comes after 5, 6, 7, ...?
8 9 10 7
Count backwards from 30 by 10: 30, 20, 10, ... What follows?
5 40 15
What fits in the row: 20, 18, 16, ...?
14 15 12 17
Create a number sequences treasure hunt for Ages 7-8
What comes next: 90, 81, 72, 63, ?
54 50 55 52
Which number comes next: 80, 72, 64, 56, ?
48 44 50 46
Which number is missing: 3, 6, 9, ?, 15
12 10 11 13
What is missing: 9, 18, ?, 36, 45
27 24 30 25
Which number comes next: 5, 8, 11, 14, ?
17 16 18 15
What is the next number: 13, 16, 19, 22, ?
25 24 26 27
Which series are the tables of 8?
8, 16, 24, 32 8, 15, 22, 29 8, 12, 16, 20 8, 18, 28, 38
What is the pattern in: 20, 17, 14, 11?
3 off each time Ever 4 off 2 off each time Ever 5 off
Create a number sequences treasure hunt for Ages 9-10
What comes after 162 in: 2, 6, 18, 54, 162, ...?
486 324 216 400
Which number is missing: 200, 100, 50, ?, 12.5?
25 20 30 15
Which sequence has the line 'every time -7'?
35, 28, 21, 14 35, 30, 25, 20 35, 42, 49, 56 35, 25, 15, 5
What comes after 13 in this sequence: 1, 1, 2, 3, 5, 8, 13, ...?
21 18 26 20
Which number is missing from this sequence: 2, 4, 8, ?, 32?
16 12 20 24
Which number is missing: 90, 81, 72, 63, ?, 45?
54 52 56 50
What comes after 256 in: 1, 4, 16, 64, 256, ...?
1024 512 768 320
What comes after 343 in this sequence of third powers: 1, 8, 27, 64, 125, 216, 343, ...?
512 400 450 729
Create a number sequences treasure hunt for Ages 11-12
What is the average of the first 6 numbers in the sequence: 4, 8, 12, 16, 20, 24?
14 12 16 15
In a geometric sequence, the first number is 3 and the factor is 4. What is the 5th number?
768 192 384 1536
In the sequence 1, 1, 2, 6, 24, 120, ... what is the pattern?
Faculties ×2, ×3, ×4, ×5 Powers of 2 Prime numbers multiplied
What is the pattern in: 10, 9, 7, 4, 0, -5, ...?
The difference is increasing 1 (in negative direction) 3 is always subtracted The difference is always doubled Alternately 1 and 2 are subtracted
Which number belongs between 39 and 71 in the sequence: 7, 23, 39, ?, 71, 87?
55 52 58 47
In the sequence 4, 12, 24, 40, 60, ... what is the pattern?
4 × (1×2, 2×3, 3×4, 4×5, 5×6) ×3, then +0, +4, +8, +12 Squares × 4 +8, +12, +16, +20
Which sequence follows the 'always add 3' pattern?
7, 10, 13, 16, 19 4, 7, 11, 14, 17 2, 5, 8, 12, 15 1, 4, 7, 9, 12
In which sequence is each number double the previous one plus 1?
1, 3, 7, 15, 31 2, 5, 11, 23, 47 1, 2, 5, 10, 21 3, 7, 15, 31, 63
Create a number sequences treasure hunt for Ages 13-14
In the sequence of triangular numbers (1, 3, 6, 10, 15, ...), what is the 20th number?
210 190 231 171
How many prime numbers are there between 1 and 100?
25 23 27 29
The sequence 0, 3, 8, 15, 24, 35, ... has as its nth term:
n² - 1 n² + 2n - 3 3n² - 6n + 3 n(n+2)
Given the series: 2, 6, 12, 20, 30, ... What is the formula for the nth term?
n(n+1) 2n² n² + n + 2 2n(n-1)
What property does each number in the sequence 6, 28, 496, 8128 have?
They are perfect numbers They are abundant numbers They are Mersenne numbers They are palindromes in binary
In the sequence of Catalan numbers 1, 1, 2, 5, 14, 42, ... is the 7th term:
132 126 140 110
What is the sum of all even numbers between 50 and 150 (inclusive)?
5100 4950 5250 4800
What is the sum of all multiples of 7 between 1 and 100?
735 700 742 728
Create a number sequences treasure hunt for Ages 17-18
What is the next number in the triangle number sequence: 1, 3, 6, 10, 15, ...?
21 20 18 22
What is the 7th number in the sequence of pentagonal numbers (1, 5, 12, 22, 35, 51, ...)?
70 68 72 75
What is the sum of the first 5 terms of the geometric series 2, 6, 18, 54, ...?
242 240 162 324
Which number fits into this sequence: 2, 6, 30, 210, ...?
2310 1260 630 420
What is the 6th Fermat number in the sequence F₀ = 3, F₁ = 5, F₂ = 17, ...?
18446744073709551617 4294967297 65537 257
What is the 6th number in the sequence 2, 8, 18, 32, 50, ...?
72 68 70 75
In the sequence 4, 14, 34, 74, 154, ..., what is the next number?
314 234 294 194
In the sequence of Lucas numbers (2, 1, 3, 4, 7, 11, 18, ...), what is the next number?
29 25 32 27
Create a number sequences treasure hunt for Ages 18+

How does it work?

1

Create treasure hunt

Choose a category, age and location. Select from 194.450 questions in 21 categories and create a complete treasure hunt within a minute.

2

Share treasure hunt

Share the treasure hunt via a link or QR code with friends, students or colleagues.

3

Do the treasure hunt

Open the treasure hunt on your phone, follow the route and answer the questions along the way.

Create your own treasure hunt

A complete GPS treasure hunt with questions and answers within a minute. Free!

Sign up for free

Other Mathematics subjects

Mental Arithmetic Addition & Subtraction Multiplication & Division Time & Clock Reading Money Maths Word Problems Scale Calculations Length Measurements Fractions Decimals Percentages Ratios

Frequently asked questions

A Number Sequences scavenger hunt is a GPS-guided outdoor activity with quiz questions about Number Sequences, part of the theme Mathematics. You walk a route past various locations and answer fun questions along the way.

There are 2682 questions available about Number Sequences: 2682 multiple choice questions, 0 open questions and 0 assignments. The category Mathematics has more than 49999 questions in total.

There are Number Sequences questions for all ages: from 3-5 years (toddlers) to 20+ (adults). The questions are automatically adapted to the chosen level.

Go to oppatt.io, create a free account, choose the theme Mathematics and select Number Sequences as the topic. Choose an age category and location, and you'll have a complete scavenger hunt within a minute.