Horizons Math Sampler - Odyssey Academy

Horizons Math 4 SAMPLE
2 Match each number with its prime factors. Darken the columns with composite
numbers to spell a message. The first two have been done for you. (Hint: If you
multiply the numbers under the box, you get the numbers in the box: 1 x 13 = 13
and 2 x 2 x 2 x 3 = 24)
17 24 21 36 13 4 5
31 18 20 12 16 29 23
13 24
1 2 2 17 2 23 2 3 1 2 29 5 2 1
13 2 2 1 2 1 2 7 31 3 1 2 2 5
2 3 2 3 2 3
3 3 2
T G R O E V A T E J R O B O
3
Find the product. Complete these problems as quickly as possible without
making errors.
3 4 2 5 2 4 2 9 2
x 5 x 5 x 9 x 5 x 7 x 9 x 1 x 9 x 3
2 9 2 5 1 6 2 7 2
x 4 x 1 x 5 x 9 x 5 x 5 x 6 x 5 x 8
9 5 5 9 9 2 9 9 1
x 8 x 2 x 8 x 2 x 3 x 2 x 6 x 7 x 9
44