Horizons Math Sampler - Odyssey Academy

Horizons Math 6 SAMPLE
Horizons Math 4, Answer Key
Lesson 45
1.
2.
196 14 14 x 14 = 196 or 14 2
529 23 23 x 23 = 529 or 23 2
25 5 5 x 5 = 25 or 5 2
225 15 15 x 15 = 225 or 15 2
16 4 4 x 4 = 16 or 4 2
10 3 10 x 10 x 10 1,000 3 3
7 4 7 x 7 x 7 x 7 2,401 4 N/A
10 5 10 x 10 x 10 x 10 x 10 100,000 5 5
9 6 9 x 9 x 9 x 9 x 9 x 9 531,441 6 N/A
3. Answers:
2, 3, 5, 7, 11, 13, 17, 19, 23, 29
31, 37, 41, 43, 47
4.
21
45
6. They will all meet up at 11:00 AM.
The charts below show each walking
schedule
Ṡabrina Lois Kathy
Lap 1 8:09 8:10 8:12
Lap 2 8:18 8:20 8:24
Lap 3 8:27 8:30 8:36
Lap 4 8:36 8:40 8:48
Lap 5 8:45 8:50 9:00
Lap 6 8:54 9:00 9:12
Lap 7 9:03 9:10 9:24
Lap 8 9:12 9:20 9:36
Lap 9 9:21 9:30 9:48
Lap 10 9:30 9:40 10:00
Lap 11 9:39 9:50 10:12
Lap 12 9:48 10:00 10:24
Lap 13 9:57 10:10 10:36
Lap 14 10:06 10:20 10:48
Lap 15 10:15 10:30 11:00
Lap 16 10:24 10:40
Lap 17 10:33 10:50
Lap 18 10:42 11:00
Lap 19 10:51
Lap 20 11:00
3 7
5
9
7. 215,868,890 500,983,879
63,312,990 433,315,337
72
3 3
8
9
Horizons Math 4, Worksheet Key
2 4 3 3
WORKSHEET 24
150
1. 9, 16, 25, 36, 49, 64, 81, 100, 121, 144
2. 12, 11, 10, 9, 8, 7, 6, 5, 4, 3
3
50
2 25
5 5
3. a. 4, 9, 25, 36, 49, 64, 81, 100, 121, 144
b. 12, 11, 10, 9, 8, 7, 6, 5, 3, 2
4. 49 81 25 36 121
5. 92,901 165,352 186,301 205,996
60