Horizons Math Sampler - Odyssey Academy

Horizons Math 4 SAMPLE
Horizons Math 4, Answer Key
Lesson 44
1. 13 x 1; 2 x 6 3 x 4; 5 x 5
2 x 2 x 3 3 x 2 x 2
2. F O R K R O A D
1 2 3 4 5 6 7 8
3. multiplicand
multiplier
72 product; 27; 49; 16; 10; 28; 45; 42
9; 24; 6; 2; 4; 7; 9; 5; 2; 1
4. ; =; =; ; =; ; ; =
5. 96; 137; 129; 145; 102
6. $48.00 + $45.00 + $15.00 = $108.00
$130 - $108.00 = $22.00
$15.00 + $6.00 + 2.00 = $23.00
$25.00 - $23.00 = $2.00
Lesson 45
1. OK
2. 4; 17; 36; 23; 16; 21; 31; 18; 29; 20; 12; 5
GREAT JOB
3. 15; 20; 18; 25; 14; 36; 2; 81; 6
8; 9; 10; 45; 5; 30; 12; 35; 16
72; 10; 40; 18; 27; 4; 54; 63; 9
Horizons Math 4, Worksheet Key
WORKSHEET 24
2 = 2 • 1; 3 = 3 • 1; 4 = 2 • 2; 5 = 5 • 1; 6 = 3 • 2;
7 = 7 • 1; 8 = 2 • 2 • 2; 9 = 3 • 3; 10 = 5 • 2;
11 = 11 • 1; 12 = 3 • 2 • 2; 13 = 13 • 1; 14 = 7 • 2;
15 = 5 • 3; 16 = 2 • 2 • 2 • 2; 17 = 17 • 1;
18 = 2 • 3 • 3; 19 = 19 • 1 20 = 2 • 2 • 5; 21 = 3 • 7;
22 = 2 • 11; 23 = 23 • 1; 24 = 2 • 2 • 2 • 3; 25 = 5 • 5
WORKSHEET 25
1. Teacher check
2. prime, prime, composite, composite
composite, prime, composite, prime
prime, composite, prime, composite
WORKSHEET 26
4, 9, 3, 7, 4, 7, 5, 6
63, 63, 7, 9; 30, 30, 5, 6;
32, 32, 4, 8; 42, 42, 7, 6;
40, 40, 8, 5; 15, 15, 3, 5
4. HE SHALL LIFT YOU UP
5. 106; 95; 88; 163; 143
6. 81
48