🔎 Legos and his brother teddy Grade 2Reading: grades 1-2AdditionSubtractionSkip countingPlace valueMissing addends
The Great Toy Room Mix-Up
Someone scrambled all the instructions in Brick City! Teddy and Margot need your help to find the Brick Bandit who mixed up the lego boxes before the big building contest starts.
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 | Lego Tool | Special Gear | Figure Type | Hair Style | Distraction |
|---|---|---|---|---|---|
| Bob | Brick Launcher | Plastic Shield | Girl Fig | Spiky Hair | Soft Carpet |
| Leo | Baseplate Grabber | Jetpack Shoes | Boy Fig | Ponytail | Soft Carpet |
| Margot | Mega Sorter | Plastic Shield | Boy Fig | Ponytail | Soft Carpet |
| Amy | Color Changer | Laser Goggles | Boy Fig | Spiky Hair | Soft Carpet |
| Meg | Baseplate Grabber | Plastic Shield | Boy Fig | Spiky Hair | Soap Water |
| Dot | Baseplate Grabber | Golden Wrench | Girl Fig | Balding | Soft Carpet |
| Ned | Color Changer | Laser Goggles | Boy Fig | Ponytail | Soap Water |
| Max | Color Changer | Golden Wrench | Girl Fig | Spiky Hair | Soap Water |
| Tim | Glue Bottle | Golden Wrench | Boy Fig | Balding | Soft Carpet |
| Ann | Baseplate Grabber | Jetpack Shoes | Girl Fig | Balding | Soft Carpet |
| Zoe | Glue Bottle | Jetpack Shoes | Boy Fig | Ponytail | Soft Carpet |
| Eve | Color Changer | Golden Wrench | Girl Fig | Balding | Soap Water |
| Kip | Brick Launcher | Golden Wrench | Boy Fig | Ponytail | Soft Carpet |
| Art | Glue Bottle | Cape of Shadow | Boy Fig | Spiky Hair | Loud Claps |
| Teddy | Color Changer | Cape of Shadow | Girl Fig | Balding | Soft Carpet |
| Jan | Brick Launcher | Plastic Shield | Girl Fig | Balding | Soft Carpet |
| Sam | Brick Launcher | Plastic Shield | Boy Fig | Ponytail | Soft Carpet |
| Fay | Baseplate Grabber | Laser Goggles | Boy Fig | Balding | Loud Claps |
| Roy | Baseplate Grabber | Plastic Shield | Boy Fig | Balding | Soap Water |
| Dan | Glue Bottle | Laser Goggles | Girl Fig | Balding | Loud Claps |
| Ben | Brick Launcher | Jetpack Shoes | Girl Fig | Balding | Soft Carpet |
Clue 1
Addition
Teddy counts the red bricks and Margot counts the blue bricks. They add them all together 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
65
33
75
50
74
38
88
21
T
65
33
74
68
38
80
29
74
46
75
80
58
68
33
74
88
80
36
26 + 39 =T
15 + 35 =B
13 + 23 =W
32 + 26 =F
8 + 13 =I
17 + 12 =C
29 + 45 =A
50 + 38 =D
25 + 21 =P
20 + 13 =H
48 + 32 =O
21 + 17 =N
22 + 53 =E
41 + 27 =S
0/14 letters found
Clue 2
Subtraction
Teddy has a big pile of yellow bricks. Margot takes away the broken ones. Subtracting them reveals 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
43
27
45
81
68
81
80
45
17
T
43
87
81
51
42
87
37
40
84
87
42
61 - 18 =T
58 - 13 =E
57 - 40 =C
64 - 22 =G
50 - 10 =L
83 - 15 =U
84 - 3 =S
87 - 3 =F
47 - 10 =R
70 - 19 =A
29 - 2 =H
101 - 14 =I
115 - 35 =P
0/13 letters found
Clue 3
Skip counting
The kids look at the lego studs on the playroom floor. They skip count by fives along the trail to find a 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
21
55
80
18
90
100
25
45
80
120
120
25
45
14
25
14
90
25
20
T
21
10
36
60
110
80
T
21
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27T
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65H
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120L
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35O
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140D
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42A
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100E
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24Y
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70R
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14C
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130P
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30F
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18N
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55W
0/15 letters found
Clue 4
Place value (tens & ones)
Teddy builds a tower with tens blocks and ones blocks. Reading the total place value unlocks the secret code.
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
79
26
39
49
52
80
42
45
T
79
26
52
42
52
49
52
98
42
45
80
93
26
39
52
42
What number has 7 tens and 9 ones?T
What number has 4 tens and 2 ones?D
What number has 2 tens and 6 ones?H
What number has 5 tens and 2 ones?A
What number has 9 tens and 3 ones?G
What number has 4 tens and 5 ones?I
What number has 3 tens and 9 ones?E
What number has 9 tens and 8 ones?L
What number has 8 tens and 0 ones?N
What number has 4 tens and 9 ones?B
0/10 letters found
Clue 5
Missing addends — the last clue
A lego bridge is missing some pieces. Margot finds how many more are needed to finish it and get the last clue.
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
4 + ___ = 11
5 + ___ = 10
9 + ___ = 19
8 + ___ = 10
7 + ___ = 13
1 + ___ = 4
8 + ___ = 9
2 + ___ = 6
5 + ___ = 17
1 + ___ = 9
8 + ___ = 17
Step 2 — cross out the sentence with each answer
1.The villain steals the gray baseplate, then hides behind a cape of shadow.
2.The villain glues the lego tower shut, then melts a wall with laser goggles.
3.The villain sorts all the blue blocks, then tightens the bolts with a golden wrench.
4.The villain shoots red lego blocks, then melts a wall with laser goggles.
5.The villain shoots red lego blocks, then flies away using jetpack shoes.
6.The villain glues the lego tower shut, then hides behind a cape of shadow.
7.The villain steals the gray baseplate, then tightens the bolts with a golden wrench.
8.The villain sorts all the blue blocks, then melts a wall with laser goggles.
9.The villain sorts all the blue blocks, then hides behind a cape of shadow.
10.The villain steals the gray baseplate, then flies away using jetpack shoes.
11.The villain shoots red lego blocks, then blocks the exit with a plastic shield.
12.The villain paints the green lego grass blue, then blocks the exit with a plastic shield.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Toy Room Mix-Up
Culprit: Jan (Brick Launcher · Plastic Shield · Girl Fig · Balding · Soft Carpet)
- Clue 1 (Addition): "THE BANDIT HAS NO CAPE OF SHADOW"26 + 39 = 65 (T) · 15 + 35 = 50 (B) · 13 + 23 = 36 (W) · 32 + 26 = 58 (F) · 8 + 13 = 21 (I) · 17 + 12 = 29 (C) · 29 + 45 = 74 (A) · 50 + 38 = 88 (D) · 25 + 21 = 46 (P) · 20 + 13 = 33 (H) · 48 + 32 = 80 (O) · 21 + 17 = 38 (N) · 22 + 53 = 75 (E) · 41 + 27 = 68 (S)
- Clue 2 (Subtraction): "THE SUSPECT IS A GIRL FIG"61 - 18 = 43 (T) · 58 - 13 = 45 (E) · 57 - 40 = 17 (C) · 64 - 22 = 42 (G) · 50 - 10 = 40 (L) · 83 - 15 = 68 (U) · 84 - 3 = 81 (S) · 87 - 3 = 84 (F) · 47 - 10 = 37 (R) · 70 - 19 = 51 (A) · 29 - 2 = 27 (H) · 101 - 14 = 87 (I) · 115 - 35 = 80 (P)
- Clue 3 (Skip counting): "THEY SLOWED DOWN ON SOFT CARPET"Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27 = 21 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (H) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (L) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (O) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (D) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (A) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (E) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24 = 18 (Y) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70 = 60 (R) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (C) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (P) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (F) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18 = 14 (N) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (W)
- Clue 4 (Place value (tens & ones)): "THE BANDIT HAD A BALDING HEAD"What number has 7 tens and 9 ones? = 79 (T) · What number has 4 tens and 2 ones? = 42 (D) · What number has 2 tens and 6 ones? = 26 (H) · What number has 5 tens and 2 ones? = 52 (A) · What number has 9 tens and 3 ones? = 93 (G) · What number has 4 tens and 5 ones? = 45 (I) · What number has 3 tens and 9 ones? = 39 (E) · What number has 9 tens and 8 ones? = 98 (L) · What number has 8 tens and 0 ones? = 80 (N) · What number has 4 tens and 9 ones? = 49 (B)
- Clue 5 (Missing addends): surviving statement (box 11) → Jan4 + ___ = 11 = 7 · 5 + ___ = 10 = 5 · 9 + ___ = 19 = 10 · 8 + ___ = 10 = 2 · 7 + ___ = 13 = 6 · 1 + ___ = 4 = 3 · 8 + ___ = 9 = 1 · 2 + ___ = 6 = 4 · 5 + ___ = 17 = 12 · 1 + ___ = 9 = 8 · 8 + ___ = 17 = 9
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Addition, Subtraction, Skip counting, Place value, Missing addends
- Reading level
- grades 1-2
- Theme
- The Great Toy Room Mix-Up — set in Brick City Playroom
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects