1.Sequences & Series
Easy
Arithmetic sequence: basics
6 marks
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Chapter 1
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2.Sequences & Series
Easy
Geometric sequence: basics
5 marks
How did that feel?
3.Sequences & Series
Easy
Stacked crates
4 marks
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4.Sequences & Series
Easy
Theatre seating
4 marks
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5.Sequences & Series
Easy
A training log
4 marks
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6.Sequences & Series
Easy
Declining paper use
4 marks
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7.Sequences & Series
Easy
Bouncing ball
3 marks
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8.Sequences & Series
Easy
Geometric growth in membership
3 marks
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9.Sequences & Series
Easy
Mosaic pattern
4 marks
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10.Sequences & Series
Easy
Arithmetic or geometric?
3 marks
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11.Sequences & Series
Medium
Training plan: finding a threshold
7 marks
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12.Sequences & Series
Medium
Ball dropped repeatedly: total distance
5 marks
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13.Sequences & Series
Medium
Finding a common difference from two terms
5 marks
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14.Sequences & Series
Medium
Solving for the number of rows
6 marks
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15.Sequences & Series
Medium
Comparing two study plans
8 marks
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16.Sequences & Series
Medium
Geometric growth in customers
4 marks
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17.Sequences & Series
Medium
Distance fallen each second
5 marks
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18.Sequences & Series
Medium
Flags on a course
5 marks
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19.Sequences & Series
Medium
Rows in a sculpture
3 marks
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20.Sequences & Series
Medium
Formula for a sequence of figures
6 marks
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21.Sequences & Series
Medium
Reducing screen time
7 marks
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22.Sequences & Series
Medium
Auditorium with two seating levels
8 marks
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23.Sequences & Series
Medium
A weekly walking plan
6 marks
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24.Sequences & Series
Medium
Comparing two savings strategies
7 marks
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25.Sequences & Series
Medium
Emptying a reservoir
7 marks
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26.Sequences & Series
Medium
Loading a cargo lift
6 marks
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27.Sequences & Series
Medium
A charity relay
7 marks
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28.Sequences & Series
Medium
Interest-free instalment plan
7 marks
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29.Sequences & Series
Medium
A hot-air balloon’s ascent
6 marks
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30.Sequences & Series
Medium
Two competing bus routes
7 marks
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31.Sequences & Series
Medium
Coral reef growth
6 marks
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32.Sequences & Series
Medium
A stack of hay bales
6 marks
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33.Sequences & Series
Medium
Recovering from an injury
7 marks
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34.Sequences & Series
Medium
A phased factory shutdown
7 marks
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35.Sequences & Series
Difficult
Weekly saving challenge
7 marks
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36.Sequences & Series
Difficult
Finding the common difference from the sum
4 marks
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37.Sequences & Series
Difficult
Social media followers
5 marks
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38.Sequences & Series
Difficult
Extending a geometric model backwards
5 marks
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39.Sequences & Series
Difficult
Verifying a geometric bounce sequence
6 marks
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40.Sequences & Series
Difficult
Two runners’ lap times
7 marks
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41.Sequences & Series
Difficult
Amphitheatre with a percentage-error check
6 marks
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42.Sequences & Series
Difficult
Visitor numbers with a threshold year
7 marks
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43.Sequences & Series
Difficult
Extended: finding a geometric model from two terms
11 marks
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44.Sequences & Series
Difficult
Extended: warehouse shelving with a cost constraint
9 marks
How did that feel?
45.Sequences & Series
Difficult
Extended: population and habitat capacity
9 marks
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46.Sequences & Series
Difficult
Extended: two athletes’ progressive overload
11 marks
How did that feel?
47.Sequences & Series
Difficult
Extended: theatre renovation with mixed sequences
10 marks
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48.Sequences & Series
Difficult
Two pools at a water park
13 marks
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49.Sequences & Series
Difficult
Two social platforms competing for users
11 marks
How did that feel?
50.Sequences & Series
Difficult
A candle and a growing vine
12 marks
How did that feel?
51.Sequences & Series
Difficult
A viral video against a television campaign
10 marks
How did that feel?
52.Sequences & Series
Difficult
Running out of 3D-printer filament
11 marks
How did that feel?
53.Sequences & Series
Difficult
A hiker and a cable car
12 marks
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54.Sequences & Series
Difficult
A bakery falling behind demand
12 marks
How did that feel?
55.Sequences & Series
Difficult
Extended: a company’s revenue against its costs
15 marks
How did that feel?