🐴 Horses, or any animalGrade 6Reading: grades 5-6MultiplicationRoundingAdditionSubtractionDivision
The Great Stable Switcheroo
A mysterious Rogue Rider has snuck into the sanctuary and switched the championship horses in their stalls! The Head Stablekeeper needs our help to track down the culprit before the morning ride begins.
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 | Riding Gear | Horse Bait | Handedness | Mane Strands | Shed Fear |
|---|---|---|---|---|---|
| Dr Fager | Bareback Riding | Oat Cakes | Right-handed whip hold | Golden Palomino strands | Allergic to clover pollen |
| Black Beauty | Western Saddle | Oat Cakes | Left-handed whip hold | Dark Chestnut strands | Scared by stable owls |
| Count Fleet | Jumping Harness | Sweet Apples | Left-handed whip hold | Silver Stallion strands | Startled by camera flashes |
| Omaha | Jumping Harness | Sweet Apples | Left-handed whip hold | Silver Stallion strands | Allergic to clover pollen |
| Kelso | English Saddle | Peppermint Treats | Right-handed whip hold | Golden Palomino strands | Startled by camera flashes |
| Seattle Slew | English Saddle | Oat Cakes | Right-handed whip hold | Golden Palomino strands | Scared by stable owls |
| Seabiscuit | Jumping Harness | Oat Cakes | Left-handed whip hold | Silver Stallion strands | Allergic to clover pollen |
| Silver | Jumping Harness | Oat Cakes | Right-handed whip hold | Golden Palomino strands | Startled by camera flashes |
| Trigger | Bareback Riding | Sweet Apples | Left-handed whip hold | Dark Chestnut strands | Scared by stable owls |
| Man o War | Trick Stirrups | Sweet Apples | Left-handed whip hold | Golden Palomino strands | Startled by camera flashes |
| Affirmed | Bareback Riding | Peppermint Treats | Right-handed whip hold | Golden Palomino strands | Startled by camera flashes |
| Whirlaway | Jumping Harness | Alfalfa Bundles | Right-handed whip hold | Silver Stallion strands | Startled by camera flashes |
| Assault | Western Saddle | Peppermint Treats | Right-handed whip hold | Silver Stallion strands | Allergic to clover pollen |
| Sir Barton | Jumping Harness | Peppermint Treats | Left-handed whip hold | Golden Palomino strands | Scared by stable owls |
| Cigar | Jumping Harness | Peppermint Treats | Left-handed whip hold | Dark Chestnut strands | Startled by camera flashes |
| Red Rum | Western Saddle | Peppermint Treats | Right-handed whip hold | Dark Chestnut strands | Startled by camera flashes |
| War Admiral | Bareback Riding | Oat Cakes | Right-handed whip hold | Golden Palomino strands | Scared by stable owls |
| Citation | Western Saddle | Sweet Apples | Right-handed whip hold | Golden Palomino strands | Startled by camera flashes |
| Secretariat | Trick Stirrups | Alfalfa Bundles | Right-handed whip hold | Golden Palomino strands | Startled by camera flashes |
| Phar Lap | Trick Stirrups | Sweet Apples | Right-handed whip hold | Golden Palomino strands | Scared by stable owls |
| Pegasus | Trick Stirrups | Alfalfa Bundles | Right-handed whip hold | Dark Chestnut strands | Startled by camera flashes |
Clue 1
Multiplication facts (1-12)
We search the feeding stalls. There are multiple rows of horse treat boxes. If we multiply the rows by the boxes in each row, we will unlock 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
11
30
44
90
40
3
21
44
90
2
15
44
90
15
2
15
6
40
T
11
21
48
44
14
88
72
14
88
72
14
8
21
6
15
88
44
48
1 × 11 =T
9 × 10 =R
7 × 3 =U
7 × 2 =A
12 × 4 =S
4 × 11 =E
3 × 5 =D
5 × 8 =O
3 × 1 =G
8 × 1 =B
3 × 2 =N
11 × 8 =L
2 × 1 =I
3 × 10 =H
8 × 9 =F
0/15 letters found
Clue 2
Rounding
We find a scale used for weighing grain sacks, but the dial is dusty. We must round the weight of the sack to the nearest ten to read 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.
R
9000
170
900
2000
2300
2000
290
50
30
2900
30
900
90
70
1300
2900
230
R
9000
170
50
2300
1700
500
2900
R
9000
2900
170
50
2300
2000
2900
30
170
R
9000
2300
Round 8,683 to the nearest thousandR
Round 1,301 to the nearest hundredV
Round 526 to the nearest hundredW
Round 2,862 to the nearest hundredE
Round 1,723 to the nearest hundredS
Round 852 to the nearest hundredG
Round 89 to the nearest tenL
Round 2,332 to the nearest hundredT
Round 174 to the nearest tenI
Round 232 to the nearest tenP
Round 31 to the nearest tenD
Round 73 to the nearest tenO
Round 51 to the nearest tenN
Round 286 to the nearest tenA
Round 2,472 to the nearest thousandH
0/15 letters found
Clue 3
Addition
The horseshoes are scattered in the barn yard. We must add up all the steel shoes we find in the three paddocks to put together 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
2124
7462
3117
7698
9735
7698
7182
3117
8145
T
2124
7462
6754
2405
3607
5093
8969
8442
T
2124
7462
3117
3607
4036
4467
7698
7462
6754
7262
4536
8145
4467
8442
3117
5093
4467
7698
1363 + 761 =T
2070 + 1537 =F
1582 + 2885 =A
3497 + 5472 =O
2647 + 5795 =M
2471 + 4283 =I
1448 + 957 =D
954 + 2163 =E
1547 + 3546 =R
3864 + 3398 =N
2049 + 2487 =G
2430 + 1606 =L
5035 + 3110 =C
3621 + 4077 =S
5814 + 3921 =U
2779 + 4683 =H
3568 + 3614 =P
0/17 letters found
Clue 4
Subtraction
The rogue rider emptied some of the water buckets. If we subtract the remaining water from the full tank size, the difference reveals 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.
W
2247
1131
3605
2153
7172
2540
5244
1703
2153
1459
5244
1131
2540
3626
1835
1459
2153
5591
6646
2540
2153
4683
1275
7058
1835
2540
5244
4683
2153
2540
1275
5101
1131
1703
1835
1275
1131
3761 - 1514 =W
9298 - 4197 =H
8463 - 1817 =I
2839 - 686 =O
9791 - 2619 =U
4296 - 691 =F
10899 - 3841 =R
7516 - 2272 =D
7885 - 4259 =P
4908 - 3073 =A
5872 - 3332 =N
5789 - 4658 =E
2141 - 866 =T
3890 - 2431 =L
5210 - 527 =S
5365 - 3662 =G
7343 - 1752 =M
0/17 letters found
Clue 5
Division facts (1-12) — the last clue
We need to split a bundle of sweet carrots equally among the colts. Dividing the carrots evenly tells us which way the suspect fled.
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
77 ÷ 7 = ?
27 ÷ 3 = ?
40 ÷ 8 = ?
6 ÷ 6 = ?
28 ÷ 4 = ?
72 ÷ 12 = ?
132 ÷ 11 = ?
16 ÷ 8 = ?
50 ÷ 5 = ?
16 ÷ 2 = ?
6 ÷ 2 = ?
Step 2 — cross out the sentence with each answer
1.The villain rides off bareback, then bribes the ponies with sweet apples.
2.The villain clears fences with a jumping harness, then quiets the horses with peppermint treats.
3.The villain saddles up with a western saddle, then shares a bale of alfalfa bundles.
4.The villain saddles up with a western saddle, then bribes the ponies with sweet apples.
5.The villain rides off bareback, then quiets the horses with peppermint treats.
6.The villain mounts with an english saddle, then bribes the ponies with sweet apples.
7.The villain saddles up with a western saddle, then feeds them homemade oat cakes.
8.The villain leaps using trick stirrups, then bribes the ponies with sweet apples.
9.The villain clears fences with a jumping harness, then feeds them homemade oat cakes.
10.The villain leaps using trick stirrups, then quiets the horses with peppermint treats.
11.The villain mounts with an english saddle, then quiets the horses with peppermint treats.
12.The villain rides off bareback, then coaxes the herd with molasses drops.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Stable Switcheroo
Culprit: Citation (Western Saddle · Sweet Apples · Right-handed whip hold · Golden Palomino strands · Startled by camera flashes)
- Clue 1 (Multiplication facts (1-12)): "THE ROGUE RIDER DID NOT USE ALFALFA BUNDLES"1 × 11 = 11 (T) · 9 × 10 = 90 (R) · 7 × 3 = 21 (U) · 7 × 2 = 14 (A) · 12 × 4 = 48 (S) · 4 × 11 = 44 (E) · 3 × 5 = 15 (D) · 5 × 8 = 40 (O) · 3 × 1 = 3 (G) · 8 × 1 = 8 (B) · 3 × 2 = 6 (N) · 11 × 8 = 88 (L) · 2 × 1 = 2 (I) · 3 × 10 = 30 (H) · 8 × 9 = 72 (F)
- Clue 2 (Rounding): "RIGHT HANDED GLOVE PRINTS WERE IN THE DIRT"Round 8,683 to the nearest thousand = 9000 (R) · Round 1,301 to the nearest hundred = 1300 (V) · Round 526 to the nearest hundred = 500 (W) · Round 2,862 to the nearest hundred = 2900 (E) · Round 1,723 to the nearest hundred = 1700 (S) · Round 852 to the nearest hundred = 900 (G) · Round 89 to the nearest ten = 90 (L) · Round 2,332 to the nearest hundred = 2300 (T) · Round 174 to the nearest ten = 170 (I) · Round 232 to the nearest ten = 230 (P) · Round 31 to the nearest ten = 30 (D) · Round 73 to the nearest ten = 70 (O) · Round 51 to the nearest ten = 50 (N) · Round 286 to the nearest ten = 290 (A) · Round 2,472 to the nearest thousand = 2000 (H)
- Clue 3 (Addition): "THE SUSPECT HID FROM THE FLASHING CAMERAS"1363 + 761 = 2124 (T) · 2070 + 1537 = 3607 (F) · 1582 + 2885 = 4467 (A) · 3497 + 5472 = 8969 (O) · 2647 + 5795 = 8442 (M) · 2471 + 4283 = 6754 (I) · 1448 + 957 = 2405 (D) · 954 + 2163 = 3117 (E) · 1547 + 3546 = 5093 (R) · 3864 + 3398 = 7262 (N) · 2049 + 2487 = 4536 (G) · 2430 + 1606 = 4036 (L) · 5035 + 3110 = 8145 (C) · 3621 + 4077 = 7698 (S) · 5814 + 3921 = 9735 (U) · 2779 + 4683 = 7462 (H) · 3568 + 3614 = 7182 (P)
- Clue 4 (Subtraction): "WE FOUND GOLDEN PALOMINO STRANDS ON THE GATE"3761 - 1514 = 2247 (W) · 9298 - 4197 = 5101 (H) · 8463 - 1817 = 6646 (I) · 2839 - 686 = 2153 (O) · 9791 - 2619 = 7172 (U) · 4296 - 691 = 3605 (F) · 10899 - 3841 = 7058 (R) · 7516 - 2272 = 5244 (D) · 7885 - 4259 = 3626 (P) · 4908 - 3073 = 1835 (A) · 5872 - 3332 = 2540 (N) · 5789 - 4658 = 1131 (E) · 2141 - 866 = 1275 (T) · 3890 - 2431 = 1459 (L) · 5210 - 527 = 4683 (S) · 5365 - 3662 = 1703 (G) · 7343 - 1752 = 5591 (M)
- Clue 5 (Division facts (1-12)): surviving statement (box 4) → Citation77 ÷ 7 = 11 · 27 ÷ 3 = 9 · 40 ÷ 8 = 5 · 6 ÷ 6 = 1 · 28 ÷ 4 = 7 · 72 ÷ 12 = 6 · 132 ÷ 11 = 12 · 16 ÷ 8 = 2 · 50 ÷ 5 = 10 · 16 ÷ 2 = 8 · 6 ÷ 2 = 3
About this mystery
- Grade level
- Grade 6 math
- Math topics
- Multiplication, Rounding, Addition, Subtraction, Division
- Reading level
- grades 5-6
- Theme
- The Great Stable Switcheroo — set in Golden Hooves Sanctuary
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects