🚀 Robots, Dinosaurs, Space, BaGrade 2Reading: grades 3-4AdditionSubtractionWord problemsMulti-step word problemsMissing addends
The Cosmic Hoop Heist
A sneaky rogue dino-bot has stolen the Golden Championship Basketball right before the big Space Cup Finals! Coach Barnaby needs your help to decode the clues, scan the team roster, and find the thief.
Suspects
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
21 of 21 still in play
| Name | Signature Move | Armor Upgrade | Shooting Hand | Antenna Glow | Team Weakness |
|---|---|---|---|---|---|
| Barkley Byte | Laser Pass | Booster Boots | Right Handed | Green Glow | Static Sparks |
| Spud Sputnik | Meteor Dunk | Radar Eye | Left Handed | Red Glow | Loud Whistles |
| LeBron Rex | Meteor Dunk | Turbo Gears | Right Handed | Blue Glow | Static Sparks |
| Luka Laser | Gravity Float | Metal Claws | Right Handed | Green Glow | Loud Whistles |
| Slam-Bot 3000 | Rocket Jump | Turbo Gears | Right Handed | Green Glow | Loud Whistles |
| Stego-Spark | Meteor Dunk | Turbo Gears | Left Handed | Green Glow | Magnets |
| Rusty Rivet | Tail Block | Turbo Gears | Left Handed | Green Glow | Magnets |
| Alley-Oop Ankylo | Tail Block | Radar Eye | Right Handed | Red Glow | Magnets |
| Cyber-Jordan | Tail Block | Radar Eye | Left Handed | Blue Glow | Loud Whistles |
| Pippen Pterodactyl | Laser Pass | Solar Shield | Left Handed | Green Glow | Magnets |
| Volt Bird | Meteor Dunk | Solar Shield | Right Handed | Blue Glow | Static Sparks |
| Tricera-Tech | Laser Pass | Radar Eye | Left Handed | Green Glow | Loud Whistles |
| Shaq-o-Saurus | Laser Pass | Booster Boots | Left Handed | Blue Glow | Magnets |
| Gizmo Giganoto | Gravity Float | Metal Claws | Left Handed | Blue Glow | Static Sparks |
| Mega-Maverick | Gravity Float | Solar Shield | Left Handed | Green Glow | Magnets |
| Dunk-o-Matic | Meteor Dunk | Metal Claws | Right Handed | Green Glow | Magnets |
| Titanium T-Rex | Laser Pass | Radar Eye | Right Handed | Red Glow | Loud Whistles |
| Spike Sprocket | Meteor Dunk | Metal Claws | Left Handed | Green Glow | Static Sparks |
| Vector Veloci | Laser Pass | Radar Eye | Left Handed | Green Glow | Static Sparks |
| Robo Raptor | Gravity Float | Radar Eye | Left Handed | Green Glow | Magnets |
| Zion Circuit | Rocket Jump | Radar Eye | Left Handed | Green Glow | Magnets |
Clue 1
Addition
Coach Barnaby needs to count the practice basketballs in both bins. Let's add them up to find the first clue!
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
41
84
83
T
41
84
28
83
25
27
44
83
21
94
44
T
41
26
21
83
72
21
44
96
72
43
21
84
28
83
96
27
19 + 22 =T
38 + 34 =A
19 + 24 =R
15 + 13 =I
15 + 12 =D
37 + 57 =N
55 + 41 =L
52 + 32 =H
14 + 11 =F
11 + 10 =S
40 + 43 =E
13 + 31 =O
18 + 8 =U
0/13 letters found
Clue 2
Subtraction
Some of our glowing jerseys have gone missing from the locker room. Subtract the lost shirts to reveal the next clue!
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
33
52
42
T
33
52
41
42
19
17
27
41
87
87
69
42
49
72
41
T
33
52
T
33
52
42
69
42
19
T
33
52
31
53
17
73 - 40 =T
41 - 24 =D
82 - 10 =W
50 - 31 =F
101 - 32 =L
81 - 32 =S
40 - 13 =R
97 - 10 =B
89 - 36 =N
61 - 30 =A
86 - 34 =H
48 - 6 =E
45 - 4 =I
0/13 letters found
Clue 3
Word problems
The court robots are packing energy drinks for the big game. Solve this quick word puzzle to dig up another lead!
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Someonescaredthevillainoffwith.
M
34
33
21
31
13
14
7
There were 40 robo-whistles. 6 were used up. How many robo-whistles are left?M
There were 43 cyber-footballs. 10 were used up. How many cyber-footballs are left?A
There were 17 space energy drinks. 10 were used up. How many space energy drinks are left?S
There were 15 space energy drinks. 2 were used up. How many space energy drinks are left?E
There were 24 space energy drinks. 3 were used up. How many space energy drinks are left?G
There were 34 space energy drinks. 3 were used up. How many space energy drinks are left?N
Coach Barnaby lined up 7 rows of 2 space energy drinks. How many space energy drinks in all?T
0/7 letters found
Clue 4
Multi-step word problems
Our space team bought boxes of bouncy balls, but some popped during transit. Work through the steps to see who we can rule out!
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Astrandofhairturnedupatthescene.
G
24
26
37
37
9
G
24
17
12
14
Coach Barnaby collected 38 cyber-footballs in the morning and 58 cyber-footballs in the afternoon, then split them equally among 4 The Comet Climbers. How many cyber-footballs did each get?G
Coach Barnaby collected 20 cyber-footballs in the morning and 136 cyber-footballs in the afternoon, then split them equally among 6 The Comet Climbers. How many cyber-footballs did each get?R
Coach Barnaby earned 2 glow-in-the-dark sneakers in each of 2 rounds, plus 24 bonus glow-in-the-dark sneakers. Then 11 glow-in-the-dark sneakers were lost. How many glow-in-the-dark sneakers are left?L
Coach Barnaby collected 33 robo-whistles in the morning and 51 robo-whistles in the afternoon, then split them equally among 6 The Comet Climbers. How many robo-whistles did each get?W
Coach Barnaby filled 4 boxes with 2 rocket jerseys each, then found 4 more rocket jerseys. How many rocket jerseys are there in all?O
Coach Barnaby collected 165 glow-in-the-dark sneakers in the morning and 57 glow-in-the-dark sneakers in the afternoon, then split them equally among 6 The Comet Climbers. How many glow-in-the-dark sneakers did each get?E
Coach Barnaby collected 46 robo-whistles in the morning and 8 robo-whistles in the afternoon, then split them equally among 6 The Comet Climbers. How many robo-whistles did each get?N
0/7 letters found
Clue 5
Missing addends — the last clue
We know the total score we need to win, but we are still missing some points from the first half. Find the missing number to solve the mystery!
First solve each problem. Then find each answer in the list below and cross that sentence out. One sentence will be left — that's exactly what the villain did!
Step 1 — solve these
10 + ___ = 21
9 + ___ = 10
2 + ___ = 8
6 + ___ = 8
5 + ___ = 10
9 + ___ = 21
1 + ___ = 4
6 + ___ = 13
4 + ___ = 8
8 + ___ = 17
8 + ___ = 16
Step 2 — cross out the sentence with each answer
1.The villain dashes across the court, then scans the exits with a glowing radar eye.
2.The villain hovers above the hoop, then blocks the pursuit with a solar shield.
3.The villain leaps into the sky, then slices the net with sharp metal claws.
4.The villain dashes across the court, then blocks the pursuit with a solar shield.
5.The villain swings a giant metal tail, then blocks the pursuit with a solar shield.
6.The villain leaps into the sky, then speeds off using noisy turbo gears.
7.The villain hovers above the hoop, then speeds off using noisy turbo gears.
8.The villain hovers above the hoop, then slices the net with sharp metal claws.
9.The villain dashes across the court, then speeds off using noisy turbo gears.
10.The villain hovers above the hoop, then scans the exits with a glowing radar eye.
11.The villain swings a giant metal tail, then speeds off using noisy turbo gears.
12.The villain swings a giant metal tail, then scans the exits with a glowing radar eye.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Cosmic Hoop Heist
Culprit: Robo Raptor (Gravity Float · Radar Eye · Left Handed · Green Glow · Magnets)
- Clue 1 (Addition): "THE THIEF DOES NOT USE A SOLAR SHIELD"19 + 22 = 41 (T) · 38 + 34 = 72 (A) · 19 + 24 = 43 (R) · 15 + 13 = 28 (I) · 15 + 12 = 27 (D) · 37 + 57 = 94 (N) · 55 + 41 = 96 (L) · 52 + 32 = 84 (H) · 14 + 11 = 25 (F) · 11 + 10 = 21 (S) · 40 + 43 = 83 (E) · 13 + 31 = 44 (O) · 18 + 8 = 26 (U)
- Clue 2 (Subtraction): "THE THIEF DRIBBLES WITH THE LEFT HAND"73 - 40 = 33 (T) · 41 - 24 = 17 (D) · 82 - 10 = 72 (W) · 50 - 31 = 19 (F) · 101 - 32 = 69 (L) · 81 - 32 = 49 (S) · 40 - 13 = 27 (R) · 97 - 10 = 87 (B) · 89 - 36 = 53 (N) · 61 - 30 = 31 (A) · 86 - 34 = 52 (H) · 48 - 6 = 42 (E) · 45 - 4 = 41 (I)
- Clue 3 (Word problems): "MAGNETS"There were 40 robo-whistles. 6 were used up. How many robo-whistles are left? = 34 (M) · There were 43 cyber-footballs. 10 were used up. How many cyber-footballs are left? = 33 (A) · There were 17 space energy drinks. 10 were used up. How many space energy drinks are left? = 7 (S) · There were 15 space energy drinks. 2 were used up. How many space energy drinks are left? = 13 (E) · There were 24 space energy drinks. 3 were used up. How many space energy drinks are left? = 21 (G) · There were 34 space energy drinks. 3 were used up. How many space energy drinks are left? = 31 (N) · Coach Barnaby lined up 7 rows of 2 space energy drinks. How many space energy drinks in all? = 14 (T)
- Clue 4 (Multi-step word problems): "GREEN GLOW"Coach Barnaby collected 38 cyber-footballs in the morning and 58 cyber-footballs in the afternoon, then split them equally among 4 The Comet Climbers. How many cyber-footballs did each get? = 24 (G) · Coach Barnaby collected 20 cyber-footballs in the morning and 136 cyber-footballs in the afternoon, then split them equally among 6 The Comet Climbers. How many cyber-footballs did each get? = 26 (R) · Coach Barnaby earned 2 glow-in-the-dark sneakers in each of 2 rounds, plus 24 bonus glow-in-the-dark sneakers. Then 11 glow-in-the-dark sneakers were lost. How many glow-in-the-dark sneakers are left? = 17 (L) · Coach Barnaby collected 33 robo-whistles in the morning and 51 robo-whistles in the afternoon, then split them equally among 6 The Comet Climbers. How many robo-whistles did each get? = 14 (W) · Coach Barnaby filled 4 boxes with 2 rocket jerseys each, then found 4 more rocket jerseys. How many rocket jerseys are there in all? = 12 (O) · Coach Barnaby collected 165 glow-in-the-dark sneakers in the morning and 57 glow-in-the-dark sneakers in the afternoon, then split them equally among 6 The Comet Climbers. How many glow-in-the-dark sneakers did each get? = 37 (E) · Coach Barnaby collected 46 robo-whistles in the morning and 8 robo-whistles in the afternoon, then split them equally among 6 The Comet Climbers. How many robo-whistles did each get? = 9 (N)
- Clue 5 (Missing addends): surviving statement (box 10) → Robo Raptor10 + ___ = 21 = 11 · 9 + ___ = 10 = 1 · 2 + ___ = 8 = 6 · 6 + ___ = 8 = 2 · 5 + ___ = 10 = 5 · 9 + ___ = 21 = 12 · 1 + ___ = 4 = 3 · 6 + ___ = 13 = 7 · 4 + ___ = 8 = 4 · 8 + ___ = 17 = 9 · 8 + ___ = 16 = 8
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Addition, Subtraction, Word problems, Multi-step word problems, Missing addends
- Reading level
- grades 3-4
- Theme
- The Cosmic Hoop Heist — set in the Orbit Arena on Space Station Rex
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects