Multiply two numbers

Rational or Irrational Principal root 
$1.\sqrt{1} $ 
$2.\sqrt{8} $ 
$3.\sqrt{52} $ 
$4.\sqrt{256} $ 
$5.\sqrt{15} $ 

$2$ 
$6$ times $16=6$ times $10+6$ times 
$7$ times $14=70+7$ 70+7times 
$3$ 3times $12=30+$ 
$5$ times $15=50+$ 
0 $8$ 8 times $18=80+$ 

(v) 8 times $18=80+071100$ 
2. Find the answers : 
0 9 times $15=$ (i) 7 times $17=$ (iii) 4 times $18=$ 
(iv) 3 times $19=$ 000 (v) 2 times $11$ %3D 00 (vi) 5 times $14=$ 
(vii) 8 times $13=$ (viii) 6 times $16=$ $\left(1x\right)$ 5 times $12=$ 
3. Fill in the blanks: 
(a) 5 times 12 %3D (b) times $11$ %3D $88$ 
(c) times $162$ (d) 7 times $19$ $\bar{8} $ 
(e) times 6. %3D 84 (f) 5 times %3D $100$ 
(g) 9 times %3D $135$ (h) 4 times 52 

() 
2. Find the answers: 
(i) 9 times $15=$ (ii) 7 times $17=$ $\left(iii\right)$ 4 times $18=$ 
(iv) 3 times $19=$ (v) 2 times $11=$ (vi) 5 times $14=$ 
(vii) 8 times $13=$ $.$ $\left(Vi1.\right)$ (viii) 6 times $16=$ (ix) 5 times $12=$ 
3. Fill in the blanks: 
(a) 5 times 12 (b) times $11$ $88$ 
(c) times $162$ (d) 7 times $19$ $=\bar{\sqrt{8} } $ 
(e) times %3D 84 (f) 5 times $100$ 
(g) 9 times %3D $135$ (h) 4 times 50 

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