powerpoint presentation · 2 8 20 3 15 20 15 2 4 15 'there are thirds in 1 whole.'...
TRANSCRIPT
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2𝑥 + 4
24
1 × 242 × 123 × 84 × 65 × X6 × 4
2
2𝑥2𝑥 + 1 𝑥)
240 = 24 × 3 × 5
60 = 5 × 2 × 2 × 3 60 = 2 × 2 × 3 × 5
×
24 × ×22 ×
4𝑥2 𝑦 8𝑥𝑦3
==
HCF = 2×3×2
LCM = 2×3×2×2×5
5
15
1
3
𝑎
𝑎𝑏≡
1
𝑏
1
10= 0.1,
2
10= 0.2
1
101
3.
0.3 =1
3, 0.5 =
1
5
1
10
1
4
1
2, 0.2
1
4, 0.6
3
10
1
10= 0.1
1
20= 0.2
1
30= 0.3
1
5
5
6−
2
63
4+
5
8
75
8+ 5
1
4
3
10+
3
56
15
9
10
6
10
45
50
1
3+
1
3=
×2
5
3
1×
2
5
1
3
1
41
3×
1
4.
2
3×
3
5?
2 × 3
3 × 5=
6
15=2
5
2 × 3
3 × 5=2 × 3
5 × 3=2
5
2 × 3 ×1
3×1
5
2
3
2
5÷
3
4
1
2÷
1
6
1
3÷
1
6
25% 5 × 1% + 2 × 10%.
25% =1
4
60
200=
30
100
9
14= 0.6428…
16
20
20
25
16
20=100
×
×
24
30×