4.D
5.D
6.A
7.C
8.B
9.A
10.C
11.A
12.B
13.D
wala po yung question sa 1-3 tsaka walang choices sa 14..
'v'
Answer:
4. 2/4 + 3/10
2×5/4×5 + 3×2/10×2
10/20 + 6/20
16/20 ÷ 4/4
5. 6 1/2 + 2 1/3
6×2+1/2 + 2×3+1/3
13/2 + 7/3
13×3/2×3 + 7×2/3×2
39/6 + 14/6
6. 9/12 - 5/12
4/12 ÷ 4/4
7. 3 4/9 - 1 6/9
3×9+4/9 - 1×9+6/9
31/9 - 15/9
8. 14 5/10 - 12 9/10
14×10+4/10 - 12×10+9/10
144/10 - 129/10
15/10 ÷ 5/5
9. 2 1/5 - 1 1/4
2×5+1/5 - 1×4+1/4
11/5 - 5/4
11×4/5×4 - 5×5/4×5
44/20 - 25/20
10. 5 1/2 - 2 1/5
5×2+1/2 - 2×5+1/5
11/2 - 11/5
11×5/2×5 - 11×2/5×2
55/10 - 22/10
11. 8 × 2/3
12. 4/5 × 9/10
36/50 ÷ 2/2
13. 5/6 × 2/4
10/24 ÷ 2/2
14. 8/9 × 1 2/3
8/9 × 1×3+2/3
8/9 × 5/3
30/27 ÷ 3/3
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Answers & Comments
Answer:
4.D
5.D
6.A
7.C
8.B
9.A
10.C
11.A
12.B
13.D
wala po yung question sa 1-3 tsaka walang choices sa 14..
'v'
Answer:
4. 2/4 + 3/10
2×5/4×5 + 3×2/10×2
10/20 + 6/20
16/20 ÷ 4/4
= 4/5 (D)
5. 6 1/2 + 2 1/3
6×2+1/2 + 2×3+1/3
13/2 + 7/3
13×3/2×3 + 7×2/3×2
39/6 + 14/6
= 53/6 or 8 5/6 (D)
6. 9/12 - 5/12
4/12 ÷ 4/4
= 1/3 (A)
7. 3 4/9 - 1 6/9
3×9+4/9 - 1×9+6/9
31/9 - 15/9
= 16/9 or 1 7/9 (C)
8. 14 5/10 - 12 9/10
14×10+4/10 - 12×10+9/10
144/10 - 129/10
15/10 ÷ 5/5
= 3/2 or 1 1/2 (A)
9. 2 1/5 - 1 1/4
2×5+1/5 - 1×4+1/4
11/5 - 5/4
11×4/5×4 - 5×5/4×5
44/20 - 25/20
= 19/20
10. 5 1/2 - 2 1/5
5×2+1/2 - 2×5+1/5
11/2 - 11/5
11×5/2×5 - 11×2/5×2
55/10 - 22/10
= 33/10 or 3 3/10 (C)
11. 8 × 2/3
= 16/3 or 5 1/3 (A)
12. 4/5 × 9/10
36/50 ÷ 2/2
= 18/25 (B)
13. 5/6 × 2/4
10/24 ÷ 2/2
= 5/12 (D)
14. 8/9 × 1 2/3
8/9 × 1×3+2/3
8/9 × 5/3
30/27 ÷ 3/3
= 10/9 or 1 1/9